#3f4271

East Bay

Closest match (96% match)

Color formats

RGB

rgb(63, 66, 113)

Red, Green, Blue components

HSL

hsl(236, 28%, 35%)

Hue, Saturation, Lightness

CMYK

cmyk(44, 42, 0, 56)

Print color encoding

Luminance

0.061

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#3f4271

#716e3f

Analogous (Adjacent)

#3f5b71

#3f4271

#553f71

Triadic

#3f4271

#713f42

#42713f

Split complementary

#3f4271

#71553f

#5b713f

Complete conversion table

HEX

#3F4271

RGB

rgb(63,66,113)

RGBA

rgba(63,66,113, 1)

HSL

hsl(236.4,28.41%,34.51%)

OKLCH (Modern CSS)

oklch(0.40 0.08 279.4)

CSS Variable

--color: #3f4271;

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

9.42

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)

#3f4271#575771

ORIG

SIM

Deuteranopia (green)

#3f4271#514e71

ORIG

SIM

Tritanopia (blue)

#3f4271#3f3a41

ORIG

SIM

Monochrome (color blind)

#3f4271#464646

Mixing guide

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

MIXING PALETTE

61%

38%

RYB PIGMENTS

Ivory black

Pigment

61%

Ultramarine blue

Pigment

38%

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)

6.1%

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.

Storm Is Coming

#3D3D63

Good Karma

#333C76

Starlit Night

#3B476B

Genie

#3E4364

Yellow Metal

#716E3F

Mulled Wine

#553F71

Fiord

#3F5B71

Congo Brown

#713F42

Fern Green

#42713F

Tobacco Brown

#71553F

Kimberly

#7576A9

Deep Cove

#07153D