#3d66be

Indigo

Closest match (97% match)

Color formats

RGB

rgb(61, 102, 190)

Red, Green, Blue components

HSL

hsl(221, 51%, 49%)

Hue, Saturation, Lightness

CMYK

cmyk(68, 46, 0, 25)

Print color encoding

Luminance

0.142

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#3d66be

#be953d

Analogous (Adjacent)

#3da7be

#3d66be

#553dbe

Triadic

#3d66be

#be3d66

#66be3d

Split complementary

#3d66be

#be553d

#a7be3d

Complete conversion table

HEX

#3D66BE

RGB

rgb(61,102,190)

RGBA

rgba(61,102,190, 1)

HSL

hsl(220.93,51.39%,49.22%)

OKLCH (Modern CSS)

oklch(0.53 0.15 263.4)

CSS Variable

--color: #3d66be;

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

5.47

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

3.84

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#3d66be#8d8ebe

ORIG

SIM

Deuteranopia (green)

#3d66be#6c64be

ORIG

SIM

Tritanopia (blue)

#3d66be#3f4a53

ORIG

SIM

Monochrome (color blind)

#3d66be#696969

Mixing guide

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

MIXING PALETTE

89%

RYB PIGMENTS

Ultramarine blue

Pigment

89%

Cadmium yellow

Pigment

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)

14.2%

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.

God of Rain

#4466CC

Starstruck

#4664A5

Savoy Blue

#4B61D1

Matt Blue

#2C6FBB

Tussock

#BE953D

Purple Heart

#553DBE

Pelorous

#3DA6BE

Blush

#BE3D66

Apple

#66BE3D

Crail

#BE553D

Malibu

#7F9DFC

Resolution Blue

#003584