#4e51d7

Royal Blue

Closest match (92% match)

Color formats

RGB

rgb(78, 81, 215)

Red, Green, Blue components

HSL

hsl(239, 63%, 57%)

Hue, Saturation, Lightness

CMYK

cmyk(64, 62, 0, 16)

Print color encoding

Luminance

0.124

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#4e51d7

#d7d44e

Analogous (Adjacent)

#4e95d7

#4e51d7

#8f4ed7

Triadic

#4e51d7

#d74e51

#51d74e

Split complementary

#4e51d7

#d78f4e

#95d74e

Complete conversion table

HEX

#4E51D7

RGB

rgb(78,81,215)

RGBA

rgba(78,81,215, 1)

HSL

hsl(238.69,63.13%,57.45%)

OKLCH (Modern CSS)

oklch(0.51 0.20 275.8)

CSS Variable

--color: #4e51d7;

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

6.03

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

3.48

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#4e51d7#8c8dd7

ORIG

SIM

Deuteranopia (green)

#4e51d7#8077d7

ORIG

SIM

Tritanopia (blue)

#4e51d7#4e4850

ORIG

SIM

Monochrome (color blind)

#4e51d7#655d88

Mixing guide

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

MIXING PALETTE

78%

22%

RYB PIGMENTS

Ultramarine blue

Pigment

78%

Titanium white

Pigment

22%

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)

12.4%

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.

Warm Blue

#4B57DB

Opulent Blue

#0055EE

Savoy Blue

#4B61D1

Magic Ink

#0247FE

Wattle

#D7D44E

Medium Purple

#8F4ED7

Havelock Blue

#4E95D7

Roman

#D74E51

Emerald

#51D74E

Di Serria

#D7904E

Melrose

#9187FF

Smalt

#00219B