#28118d

Blue Gem

Closest match (99% match)

Color formats

RGB

rgb(40, 17, 141)

Red, Green, Blue components

HSL

hsl(251, 78%, 31%)

Hue, Saturation, Lightness

CMYK

cmyk(72, 88, 0, 45)

Print color encoding

Luminance

0.028

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#28118d

#768d11

Analogous (Adjacent)

#11388d

#28118d

#66118d

Triadic

#28118d

#8d2811

#118d28

Split complementary

#28118d

#8d6611

#388d11

Complete conversion table

HEX

#28118D

RGB

rgb(40,17,141)

RGBA

rgba(40,17,141, 1)

HSL

hsl(251.13,78.48%,30.98%)

OKLCH (Modern CSS)

oklch(0.32 0.18 277.4)

CSS Variable

--color: #28118d;

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

13.50

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.56

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#28118d#48498d

ORIG

SIM

Deuteranopia (green)

#28118d#4d468d

ORIG

SIM

Tritanopia (blue)

#28118d#27191c

ORIG

SIM

Monochrome (color blind)

#28118d#34284a

Mixing guide

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

MIXING PALETTE

48%

42%

10%

RYB PIGMENTS

Ultramarine blue

Pigment

48%

Ivory black

Pigment

42%

Cadmium red

Pigment

10%

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)

2.8%

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.

Nightly Expedition

#221188

Galactic Cruise

#111188

Dramatic Blue

#240093

Orbital Kingdom

#220088

Christi

#768D11

Seance

#66118D

Torea Bay

#11388D

Tabasco

#8D2811

La Palma

#118D28

Corn Harvest

#8D6611

Fuchsia Blue

#6B46C8

Stratos

#000056