#404c57

Abyssal

ReadyTools Database (Exact)

River Bed

~98% match

Color formats

RGB

rgb(64, 76, 87)

Red, Green, Blue components

HSL

hsl(209, 0, 0, 1)

Hue, Saturation, Lightness

CMYK

cmyk(26, 13, 0, 66)

Print color encoding

Luminance

0.069

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#404c57

#574b40

Analogous (Adjacent)

#405757

#404c57

#404057

Triadic

#404c57

#57404c

#4c5740

Split complementary

#404c57

#574040

#575740

Intelligent palettes

Four generated color sets for different use cases.

Modern UI and monochrome

ffffff

b5b9be

404c57

313d47

000000

Marketing and vibrant

404c57

00538e

574b40

6f3337

FFFFFF

Harmonious and natural

405753

405457

404c57

404457

434057

Pop Art and trendy

404c57

6d556d

664725

2c422c

87819b

Complete conversion table

HEX

#404C57

RGB

rgb(64,76,87)

RGBA

rgba(64,76,87, 1)

HSL

hsl(208.7,15.23%,29.61%)

OKLCH (Modern CSS)

oklch(0.41 0.02 246.1)

CSS Variable

--color: #404c57;

Preview

Readability and Typography

Headline Test

This text demonstrates the reading experience on this background color.

Headline Test

This text demonstrates the reading experience on this background color.

UI Component Set

This is an example alert bar using the selected color.

SOLIDSOFTOUTLINE

Product Mockup

4582 •••• •••• 9018

CARDHOLDER

JOHN DOE

VALID

12/28

Mobile application

Customer support

Hi! How can we help you today?

I love this new color! 😍

Data visualization

Weekly growth

+1,240

12.5%

1D

1W

1M

WED

2,450

Font recommendations

Professional font pairings that perfectly match the color. Click the CSS button to copy.

Modern

We tell stories with colors

Aa

Choosing the right typeface is key to brand identity and user experience.

HEADLINE

700 Bold

'Inter'

BODY

400 Regular

'Inter'

Technological

We tell stories with colors

Aa

Choosing the right typeface is key to brand identity and user experience.

HEADLINE

700 Bold

'JetBrains Mono'

BODY

400 Regular

-apple-system

Futuristic

We tell stories with colors

Aa

Choosing the right typeface is key to brand identity and user experience.

HEADLINE

700 Bold

'Orbitron'

BODY

400 Regular

'Rajdhani'

Brutalist

We tell stories with colors

Aa

Choosing the right typeface is key to brand identity and user experience.

HEADLINE

700 Bold

'Oswald'

BODY

400 Regular

'Arial Black'

Accessibility

Contrast and readability (WCAG)

On white background

8.79

AP

Small text (14pt)

The quick brown fox jumps over...

AA

AAA

Large text or UI (18pt Bold)

AA

AAA

On black background

2.39

AP

Small text (14pt)

The quick brown fox jumps over...

AA

AAA

Large text or UI (18pt Bold)

AA

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#404c57#515157

ORIG

SIM

Deuteranopia (green)

#404c57#484757

ORIG

SIM

Tritanopia (blue)

#404c57#413f46

ORIG

SIM

Monochrome (color blind)

#404c57#4b4b4b

Color Psychology

Emotional, psychological, and cultural impact of the color with scientifically grounded analysis.

Dominant vibe

Trust

"The suit of the corporate world. Communicates absolute reliability, logic, and expertise. It does not gamble, it plays it safe."

Color personality description

Emotional effects

TrustCalmLogicProfessionalismCHROMO_TAG_DEPTH

Symbolic meanings

TechnologyWater and purityStability and security

Recommended industries

TechnologyFinanceLegalCorporateHealthcare

Potential negative effects

SadnessColdness and distance

Color laboratory

Fine tuning and blending. Adjust lightness, saturation, or mix with another color.

Base

#404C57

Result

#404C57

Lightness

0

Saturation

0

Hue

0°

Temperature

0

Mixing guide

How to mix this color using physical paints or printing inks.

MIXING PALETTE

82%

16%

2%

RYB PIGMENTS

Ivory black

Pigment

82%

Ultramarine blue

Pigment

16%

Cadmium yellow

Pigment

2%

Unlike light, mixing paints makes colors darker. This simulation mimics the behavior of physical pigments.

Physical properties

Scientific data of the color: optics and energy.

Wavelength

468 nm

641 THz • 2.65 eV

750nm

380nm

Color temperature

Cool

~5000-10000K

Cool

Warm

Luminance (brightness)

6.9%

Sötét / Dark

0%

50%

100%

Intelligent Library Matching

Compare your color with industry standards and design systems. Results show similar or exact matches from multiple color libraries.

Tailwind CSS

92%

Original

Standard

gray-600

#4b5563

ΔE: 4.0

Google Material

93%

Original

Standard

Blue Grey 800

#37474F

ΔE: 3.5

CSS Color Name

78%

Original

Standard

DarkSlateGray

#2F4F4F

ΔE: 11.0

Apple System (iOS)

87%

Original

Standard

System Graphite

#48484A

ΔE: 6.5

Code

CSS variable

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:root { --color-abyssal: #404c57; --rgb-abyssal: 64, 76, 87; }

SCSS variable

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$color-abyssal: #404c57; $rgb-abyssal: (64, 76, 87);

Tailwind config

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// tailwind.config.js module.exports = { theme: { extend: { colors: { 'abyssal': '#404c57', } } } }

React Native

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const styles = StyleSheet.create({ container: { backgroundColor: '#404c57', }, text: { color: '#404c57', } });

SwiftUI (iOS)

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// SwiftUI let abyssalColor = Color( red: 0.25098039215686274, green: 0.2980392156862745, blue: 0.3411764705882353 )

Full JSON data

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{ "name": "Abyssal", "hex": "#404c57", "rgb": { "r": 64, "g": 76, "b": 87 }, "hsl": { "h": 209, "s": 15, "l": 30 } }

Gradient gallery

Generate premium CSS backgrounds and textures from your color.

TRENDY

Sunset

TRENDY

Deep sea

BOLD

Dynamic contrast

DUOTONE

Night duotone

DUOTONE

Icy duotone