#1c3d44

Sunken Harbor

ReadyTools Database (Exact)

Blue Dianne

~96% match

Color formats

RGB

rgb(28, 61, 68)

Red, Green, Blue components

HSL

hsl(191, 42%, 19%)

Hue, Saturation, Lightness

CMYK

cmyk(59, 10, 0, 73)

Print color encoding

Luminance

0.040

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#1c3d44

#44231c

Analogous (Adjacent)

#1c4437

#1c3d44

#1c2944

Triadic

#1c3d44

#441c3d

#3d441c

Split complementary

#1c3d44

#441c29

#44371c

Complete conversion table

HEX

#1C3D44

RGB

rgb(28,61,68)

RGBA

rgba(28,61,68, 1)

HSL

hsl(190.5,41.67%,18.82%)

OKLCH (Modern CSS)

oklch(0.34 0.04 213.2)

CSS Variable

--color: #1c3d44;

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

11.66

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.80

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#1c3d44#404044

ORIG

SIM

Deuteranopia (green)

#1c3d44#2b2844

ORIG

SIM

Tritanopia (blue)

#1c3d44#1e292d

ORIG

SIM

Monochrome (color blind)

#1c3d44#383838

Mixing guide

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

MIXING PALETTE

80%

16%

RYB PIGMENTS

Ivory black

Pigment

80%

Ultramarine blue

Pigment

16%

Cadmium yellow

Pigment

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)

4.0%

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.

Royal Neptune

#1C3B42

Emerald Forest

#224347

Mysterious Waters

#27454A

Elite Teal

#133337

Cocoa Bean

#44231C

Cloud Burst

#1C2944

Te Papa Green

#1C4437

Wine Berry

#441C3D

Thatch Green

#3D441C

Cocoa Bean

#441C29

Cutty Sark

#507078

Swamp

#000F16