#2a3175

Astronaut

Closest match (97% match)

Color formats

RGB

rgb(42, 49, 117)

Red, Green, Blue components

HSL

hsl(234, 47%, 31%)

Hue, Saturation, Lightness

CMYK

cmyk(64, 58, 0, 54)

Print color encoding

Luminance

0.040

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#2a3175

#756e2a

Analogous (Adjacent)

#2a5675

#2a3175

#482a75

Triadic

#2a3175

#752a31

#31752a

Split complementary

#2a3175

#75482a

#57752a

Complete conversion table

HEX

#2A3175

RGB

rgb(42,49,117)

RGBA

rgba(42,49,117, 1)

HSL

hsl(234.4,47.17%,31.18%)

OKLCH (Modern CSS)

oklch(0.35 0.12 274.3)

CSS Variable

--color: #2a3175;

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

11.70

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.79

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#2a3175#4f5075

ORIG

SIM

Deuteranopia (green)

#2a3175#454175

ORIG

SIM

Tritanopia (blue)

#2a3175#2a292e

ORIG

SIM

Monochrome (color blind)

#2a3175#383838

Mixing guide

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

MIXING PALETTE

56%

43%

RYB PIGMENTS

Ivory black

Pigment

56%

Ultramarine blue

Pigment

43%

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)

4.0%

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.

Twilight Express

#1C3378

Intergalactic Highway

#273287

Good Karma

#333C76

Below the Surface

#0A2F7C

Crete

#756E2A

Minsk

#482A75

Astronaut

#2A5775

Tawny Port

#752A31

Forest Green

#31752A

Pickled Bean

#75482A

Scampi

#6463AE

Stratos

#000040