#555bee

Royal Blue

Closest match (94% match)

Color formats

RGB

rgb(85, 91, 238)

Red, Green, Blue components

HSL

hsl(238, 82%, 63%)

Hue, Saturation, Lightness

CMYK

cmyk(64, 62, 0, 7)

Print color encoding

Luminance

0.156

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#555bee

#eee855

Analogous (Adjacent)

#55a7ee

#555bee

#9b55ee

Triadic

#555bee

#ee555b

#5bee55

Split complementary

#555bee

#ee9b55

#a8ee55

Complete conversion table

HEX

#555BEE

RGB

rgb(85,91,238)

RGBA

rgba(85,91,238, 1)

HSL

hsl(237.65,81.82%,63.33%)

OKLCH (Modern CSS)

oklch(0.56 0.22 275.0)

CSS Variable

--color: #555bee;

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

5.10

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

4.12

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#555bee#9c9dee

ORIG

SIM

Deuteranopia (green)

#555bee#8d83ee

ORIG

SIM

Tritanopia (blue)

#555bee#554f58

ORIG

SIM

Monochrome (color blind)

#555bee#70679d

Mixing guide

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

MIXING PALETTE

69%

31%

RYB PIGMENTS

Ultramarine blue

Pigment

69%

Titanium white

Pigment

31%

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)

15.6%

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

Secret of Mana

#4166F5

Savoy Blue

#4B61D1

Candy Grape Fizz

#7755EE

Confetti

#EEE855

Medium Purple

#9B55EE

Picton Blue

#55A8EE

Burnt Sienna

#EE555B

Screamin' Green

#5BEE55

Sandy brown

#EE9B55

Melrose

#9A92FF

International Klein Blue

#0029B0