#3376b0

Astral

Closest match (93% match)

Color formats

RGB

rgb(51, 118, 176)

Red, Green, Blue components

HSL

hsl(208, 55%, 45%)

Hue, Saturation, Lightness

CMYK

cmyk(71, 33, 0, 31)

Print color encoding

Luminance

0.168

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#3376b0

#b06d33

Analogous (Adjacent)

#33b0ac

#3376b0

#3337b0

Triadic

#3376b0

#b03376

#76b033

Split complementary

#3376b0

#b03337

#b0ac33

Complete conversion table

HEX

#3376B0

RGB

rgb(51,118,176)

RGBA

rgba(51,118,176, 1)

HSL

hsl(207.84,55.07%,44.51%)

OKLCH (Modern CSS)

oklch(0.55 0.11 247.7)

CSS Variable

--color: #3376b0;

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

4.82

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

4.36

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#3376b0#9090b0

ORIG

SIM

Deuteranopia (green)

#3376b0#6159b0

ORIG

SIM

Tritanopia (blue)

#3376b0#364d57

ORIG

SIM

Monochrome (color blind)

#3376b0#727272

Mixing guide

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

MIXING PALETTE

71%

18%

11%

RYB PIGMENTS

Ultramarine blue

Pigment

71%

Ivory black

Pigment

18%

Cadmium yellow

Pigment

11%

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)

16.8%

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.

Haddock’s Sweater

#277ABA

Blue Triumph

#4376AB

Campanula

#3473B7

French Blue

#0072BB

Copper

#B06D33

Governor Bay

#3337B0

Keppel

#33B0AC

Royal Heath

#B03376

Sushi

#76B033

Well Read

#B03337

Jordy Blue

#75AEED

Regal Blue

#004377