#51578e

Waikawa Gray

Closest match (92% match)

Color formats

RGB

rgb(81, 87, 142)

Red, Green, Blue components

HSL

hsl(234, 27%, 44%)

Hue, Saturation, Lightness

CMYK

cmyk(43, 39, 0, 44)

Print color encoding

Luminance

0.105

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#51578e

#8e8851

Analogous (Adjacent)

#51758e

#51578e

#69518e

Triadic

#51578e

#8e5157

#578e51

Split complementary

#51578e

#8e6951

#768e51

Complete conversion table

HEX

#51578E

RGB

rgb(81,87,142)

RGBA

rgba(81,87,142, 1)

HSL

hsl(234.1,27.35%,43.73%)

OKLCH (Modern CSS)

oklch(0.48 0.09 277.7)

CSS Variable

--color: #51578e;

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

6.77

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

3.10

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#51578e#6f708e

ORIG

SIM

Deuteranopia (green)

#51578e#67638e

ORIG

SIM

Tritanopia (blue)

#51578e#514c54

ORIG

SIM

Monochrome (color blind)

#51578e#5b5b5b

Mixing guide

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

MIXING PALETTE

64%

34%

RYB PIGMENTS

Ultramarine blue

Pigment

64%

Ivory black

Pigment

34%

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

Blue hue

450–495 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)

10.5%

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.

Piccadilly Purple

#51588E

Twilight

#4E518B

Dusk

#4E5481

Wizard

#4D5B88

Shadow

#8E8851

Butterfly Bush

#69518E

Smalt Blue

#51768E

Au Chico

#8E5157

Hippie Green

#578E51

Leather

#8E6951

Blue Bell

#898DC8

Biscay

#192757