#2d4381

Astronaut

Closest match (97% match)

Color formats

RGB

rgb(45, 67, 129)

Red, Green, Blue components

HSL

hsl(224, 48%, 34%)

Hue, Saturation, Lightness

CMYK

cmyk(65, 48, 0, 49)

Print color encoding

Luminance

0.062

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#2d4381

#816b2d

Analogous (Adjacent)

#2d6d81

#2d4381

#412d81

Triadic

#2d4381

#812d43

#43812d

Split complementary

#2d4381

#81412d

#6d812d

Complete conversion table

HEX

#2D4381

RGB

rgb(45,67,129)

RGBA

rgba(45,67,129, 1)

HSL

hsl(224.29,48.28%,34.12%)

OKLCH (Modern CSS)

oklch(0.40 0.11 266.8)

CSS Variable

--color: #2d4381;

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

9.41

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

2.23

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#2d4381#5e5f81

ORIG

SIM

Deuteranopia (green)

#2d4381#4c4681

ORIG

SIM

Tritanopia (blue)

#2d4381#2e3339

ORIG

SIM

Monochrome (color blind)

#2d4381#464646

Mixing guide

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

MIXING PALETTE

49%

48%

RYB PIGMENTS

Ivory black

Pigment

49%

Ultramarine blue

Pigment

48%

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)

6.2%

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.

Pacific Navy

#25488A

Napoleonic Blue

#2C4170

Nautical

#2E4A7D

Maritime Outpost

#1E4581

Pesto

#816B2D

Minsk

#412D81

Calypso

#2D6D81

Camelot

#812D43

Apple

#43812D

Nutmeg

#81412D

Ship Cove

#6877BB

Stratos

#00164B