#021d88

Resolution Blue

Closest match (98% match)

Color formats

RGB

rgb(2, 29, 136)

Red, Green, Blue components

HSL

hsl(228, 97%, 27%)

Hue, Saturation, Lightness

CMYK

cmyk(99, 79, 0, 47)

Print color encoding

Luminance

0.027

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#021d88

#886d02

Analogous (Adjacent)

#026088

#021d88

#2a0288

Triadic

#021d88

#88021d

#1d8802

Split complementary

#021d88

#882a02

#608802

Complete conversion table

HEX

#021D88

RGB

rgb(2,29,136)

RGBA

rgba(2,29,136, 1)

HSL

hsl(227.91,97.1%,27.06%)

OKLCH (Modern CSS)

oklch(0.31 0.18 264.3)

CSS Variable

--color: #021d88;

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

13.69

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.53

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#021d88#4c4d88

ORIG

SIM

Deuteranopia (green)

#021d88#342a88

ORIG

SIM

Tritanopia (blue)

#021d88#030e10

ORIG

SIM

Monochrome (color blind)

#021d88#2f2a42

Mixing guide

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

MIXING PALETTE

51%

47%

RYB PIGMENTS

Ultramarine blue

Pigment

51%

Ivory black

Pigment

47%

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)

2.7%

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.

Lost in Heaven

#002489

Royal

#0C1793

Naval Adventures

#072688

Space Dust

#002299

Olive

#886D02

Kingfisher Daisy

#2A0288

Orient

#026088

Pohutukawa

#88021D

Japanese Laurel

#1D8802

Peru Tan

#882A02

Indigo

#584EC3

Stratos

#000051