#577b7f

Cutty Sark

Closest match (95% match)

Color formats

RGB

rgb(87, 123, 127)

Red, Green, Blue components

HSL

hsl(186, 19%, 42%)

Hue, Saturation, Lightness

CMYK

cmyk(31, 3, 0, 50)

Print color encoding

Luminance

0.177

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#577b7f

#7f5b57

Analogous (Adjacent)

#577f6f

#577b7f

#57677f

Triadic

#577b7f

#7f577b

#7b7f57

Split complementary

#577b7f

#7f5767

#7f6f57

Complete conversion table

HEX

#577B7F

RGB

rgb(87,123,127)

RGBA

rgba(87,123,127, 1)

HSL

hsl(186,18.69%,41.96%)

OKLCH (Modern CSS)

oklch(0.56 0.04 204.7)

CSS Variable

--color: #577b7f;

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%

WED

2,450

Contrast

Contrast and readability (WCAG)

On white background

4.62

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

4.54

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#577b7f#7d7d7f

ORIG

SIM

Deuteranopia (green)

#577b7f#65637f

ORIG

SIM

Tritanopia (blue)

#577b7f#595f6a

ORIG

SIM

Monochrome (color blind)

#577b7f#757575

Mixing guide

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

MIXING PALETTE

51%

38%

11%

RYB PIGMENTS

Ivory black

Pigment

51%

Ultramarine blue

Pigment

38%

Cadmium yellow

Pigment

11%

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

Physical properties

Perceptual and light-related properties derived from the digital color.

Spectral relationship

Cyan hue

485–500 nm • closest visible-spectrum range

750 nm

380 nm

Visual temperature

Cool

A perceptual warm–cool classification. Kelvin does not apply to an arbitrary interface color.

Cool

Neutral

Warm

Luminance (brightness)

17.7%

Dark • relative luminance

50%

100%

An RGB color is produced by combined screen light, so this range is a visual comparison rather than an exact physical wavelength.

Gradient gallery

Generate premium CSS backgrounds and textures from your color.

Similar & Related Colors

Mathematically computed harmonies, shades, and similar tones for this color.

North Atlantic

#5E7B7F

Submerged

#4A7D82

Catfish

#657D82

Arctic

#648589

Russett

#7F5B57

Blue Bayoux

#57677F

Como

#577F6F

Strikemaster

#7F577B

Clay Creek

#7B7F57

Falcon

#7F5767

Gulf Stream

#8EB4B8

Plantation

#23464A