#405acf

Indigo

Closest match (95% match)

Color formats

RGB

rgb(64, 90, 207)

Red, Green, Blue components

HSL

hsl(229, 60%, 53%)

Hue, Saturation, Lightness

CMYK

cmyk(69, 57, 0, 19)

Print color encoding

Luminance

0.129

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#405acf

#cfb540

Analogous (Adjacent)

#40a2cf

#405acf

#6e40cf

Triadic

#405acf

#cf405a

#5acf40

Split complementary

#405acf

#cf6e40

#a2cf40

Complete conversion table

HEX

#405ACF

RGB

rgb(64,90,207)

RGBA

rgba(64,90,207, 1)

HSL

hsl(229.09,59.83%,53.14%)

OKLCH (Modern CSS)

oklch(0.52 0.18 269.4)

CSS Variable

--color: #405acf;

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

5.86

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

3.58

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#405acf#8d8fcf

ORIG

SIM

Deuteranopia (green)

#405acf#746bcf

ORIG

SIM

Tritanopia (blue)

#405acf#41464e

ORIG

SIM

Monochrome (color blind)

#405acf#64627c

Mixing guide

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

MIXING PALETTE

86%

10%

RYB PIGMENTS

Ultramarine blue

Pigment

86%

Titanium white

Pigment

10%

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)

12.9%

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.

Savoy Blue

#4B61D1

Warm Blue

#4B57DB

Frosted Blueberries

#0055DD

God of Rain

#4466CC

Old Gold

#CFB540

Purple Heart

#6E40CF

Shakespeare

#40A1CF

Cabaret

#CF405A

Apple

#5ACF40

Raw Sienna

#CF6E40

Malibu

#8590FF

Smalt

#002A93