#00359c

Smalt

Closest match (99% match)

Color formats

RGB

rgb(0, 53, 156)

Red, Green, Blue components

HSL

hsl(220, 100%, 31%)

Hue, Saturation, Lightness

CMYK

cmyk(100, 66, 0, 39)

Print color encoding

Luminance

0.049

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#00359c

#9c6700

Analogous (Adjacent)

#00839c

#00359c

#19009c

Triadic

#00359c

#9c0035

#359c00

Split complementary

#00359c

#9c1900

#839c00

Complete conversion table

HEX

#00359C

RGB

rgb(0,53,156)

RGBA

rgba(0,53,156, 1)

HSL

hsl(219.62,100%,30.59%)

OKLCH (Modern CSS)

oklch(0.38 0.17 262.0)

CSS Variable

--color: #00359c;

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

10.56

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.99

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#00359c#62639c

ORIG

SIM

Deuteranopia (green)

#00359c#3a2f9c

ORIG

SIM

Tritanopia (blue)

#00359c#03191c

ORIG

SIM

Monochrome (color blind)

#00359c#3f3d4f

Mixing guide

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

MIXING PALETTE

56%

39%

RYB PIGMENTS

Ultramarine blue

Pigment

56%

Ivory black

Pigment

39%

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)

4.9%

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.

Smalt

#003399

Blue Hour

#0034AB

International Klein Blue

#002FA6

One Minute to Midnight

#003388

Chelsea Gem

#9C6700

Navy Blue

#19009C

Deep Cerulean

#00839C

Paprika

#9C0035

Limeade

#359C00

Red Berry

#9C1900

Havelock Blue

#5C67D8

Navy Blue

#000963