#021ca5

International Klein Blue

Closest match (95% match)

Color formats

RGB

rgb(2, 28, 165)

Red, Green, Blue components

HSL

hsl(230, 98%, 33%)

Hue, Saturation, Lightness

CMYK

cmyk(99, 83, 0, 35)

Print color encoding

Luminance

0.036

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#021ca5

#a58b02

Analogous (Adjacent)

#026da5

#021ca5

#3a02a5

Triadic

#021ca5

#a5021c

#1ca502

Split complementary

#021ca5

#a53a02

#6da502

Complete conversion table

HEX

#021CA5

RGB

rgb(2,28,165)

RGBA

rgba(2,28,165, 1)

HSL

hsl(230.43,97.6%,32.75%)

OKLCH (Modern CSS)

oklch(0.35 0.21 264.4)

CSS Variable

--color: #021ca5;

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

12.27

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.71

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#021ca5#585aa5

ORIG

SIM

Deuteranopia (green)

#021ca5#3e33a5

ORIG

SIM

Tritanopia (blue)

#021ca5#030e10

ORIG

SIM

Monochrome (color blind)

#021ca5#382d5e

Mixing guide

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

MIXING PALETTE

62%

35%

RYB PIGMENTS

Ultramarine blue

Pigment

62%

Ivory black

Pigment

35%

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)

3.6%

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.

Dark Galaxy

#0018A8

Space Dust

#002299

Space Exploration

#001199

Royal

#0C1793

Pirate Gold

#A58B02

Kingfisher Daisy

#3A02A5

Allports

#026DA5

Carmine

#A5021C

Japanese Laurel

#1CA502

Fire

#A53A02

Royal Blue

#624FE2

Navy Blue

#00006C