#280e84

Blue Gem

Closest match (99% match)

Color formats

RGB

rgb(40, 14, 132)

Red, Green, Blue components

HSL

hsl(253, 81%, 29%)

Hue, Saturation, Lightness

CMYK

cmyk(70, 89, 0, 48)

Print color encoding

Luminance

0.024

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#280e84

#6a840e

Analogous (Adjacent)

#0e2f84

#280e84

#630e84

Triadic

#280e84

#84280e

#0e8428

Split complementary

#280e84

#84630e

#2f840e

Complete conversion table

HEX

#280E84

RGB

rgb(40,14,132)

RGBA

rgba(40,14,132, 1)

HSL

hsl(253.22,80.82%,28.63%)

OKLCH (Modern CSS)

oklch(0.31 0.17 279.2)

CSS Variable

--color: #280e84;

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

14.13

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.49

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#280e84#424384

ORIG

SIM

Deuteranopia (green)

#280e84#4a4484

ORIG

SIM

Tritanopia (blue)

#280e84#27181a

ORIG

SIM

Monochrome (color blind)

#280e84#312643

Mixing guide

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

MIXING PALETTE

45%

44%

11%

RYB PIGMENTS

Ivory black

Pigment

45%

Ultramarine blue

Pigment

44%

Cadmium red

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

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)

2.4%

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

Orbital Kingdom

#220088

Galactic Cruise

#111188

Dramatic Blue

#240093

Olivetone

#6A840E

Windsor

#630E84

Torea Bay

#0E2F84

Pueblo

#84280E

Salem

#0E8428

Corn Harvest

#84630E

Studio

#6943BF

Stratos

#00004E