#0d1883

Ultramarine

Closest match (97% match)

Color formats

RGB

rgb(13, 24, 131)

Red, Green, Blue components

HSL

hsl(234, 82%, 28%)

Hue, Saturation, Lightness

CMYK

cmyk(90, 82, 0, 49)

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)

#0d1883

#83780d

Analogous (Adjacent)

#0d5383

#0d1883

#3d0d83

Triadic

#0d1883

#830d18

#18830d

Split complementary

#0d1883

#833d0d

#53830d

Complete conversion table

HEX

#0D1883

RGB

rgb(13,24,131)

RGBA

rgba(13,24,131, 1)

HSL

hsl(234.41,81.94%,28.24%)

OKLCH (Modern CSS)

oklch(0.30 0.17 267.1)

CSS Variable

--color: #0d1883;

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

14.23

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.48

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#0d1883#474883

ORIG

SIM

Deuteranopia (green)

#0d1883#393083

ORIG

SIM

Tritanopia (blue)

#0d1883#0e1113

ORIG

SIM

Monochrome (color blind)

#0d1883#2d273f

Mixing guide

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

MIXING PALETTE

50%

48%

RYB PIGMENTS

Ultramarine blue

Pigment

50%

Ivory black

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)

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.

Galactic Cruise

#111188

Royal

#0C1793

Nightly Expedition

#221188

20000 Leagues Under the Sea

#191970

Corn Harvest

#83780D

Blue Gem

#3D0D83

Atoll

#0D5383

Tamarillo

#830D18

Bilbao

#18830D

Korma

#833D0D

Blue Violet

#5A49BE

Stratos

#00004D