#3d79bb

Steel Blue

Closest match (96% match)

Color formats

RGB

rgb(61, 121, 187)

Red, Green, Blue components

HSL

hsl(211, 51%, 49%)

Hue, Saturation, Lightness

CMYK

cmyk(67, 35, 0, 27)

Print color encoding

Luminance

0.183

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#3d79bb

#bb7f3d

Analogous (Adjacent)

#3db8bb

#3d79bb

#403dbb

Triadic

#3d79bb

#bb3d79

#79bb3d

Split complementary

#3d79bb

#bb403d

#b8bb3d

Complete conversion table

HEX

#3D79BB

RGB

rgb(61,121,187)

RGBA

rgba(61,121,187, 1)

HSL

hsl(211.43,50.81%,48.63%)

OKLCH (Modern CSS)

oklch(0.57 0.12 252.6)

CSS Variable

--color: #3d79bb;

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

4.52

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

4.65

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#3d79bb#9697bb

ORIG

SIM

Deuteranopia (green)

#3d79bb#6b63bb

ORIG

SIM

Tritanopia (blue)

#3d79bb#40535d

ORIG

SIM

Monochrome (color blind)

#3d79bb#767676

Mixing guide

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

MIXING PALETTE

83%

11%

RYB PIGMENTS

Ultramarine blue

Pigment

83%

Cadmium yellow

Pigment

11%

Ivory black

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)

18.3%

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.

Mykonos

#387ABE

Fading Night

#3377CC

Blue Triumph

#4376AB

Campanula

#3473B7

Copper

#BB7F3D

Governor Bay

#403DBB

Pelorous

#3DB8BB

Royal Heath

#BB3D79

Sushi

#79BB3D

Crail

#BB403D

Malibu

#7EB1F8

Congress Blue

#004581