#2f4dc1

Cerulean Blue

Closest match (98% match)

Color formats

RGB

rgb(47, 77, 193)

Red, Green, Blue components

HSL

hsl(228, 61%, 47%)

Hue, Saturation, Lightness

CMYK

cmyk(76, 60, 0, 24)

Print color encoding

Luminance

0.098

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#2f4dc1

#c1a32f

Analogous (Adjacent)

#2f96c1

#2f4dc1

#5a2fc1

Triadic

#2f4dc1

#c12f4d

#4dc12f

Split complementary

#2f4dc1

#c15a2f

#96c12f

Complete conversion table

HEX

#2F4DC1

RGB

rgb(47,77,193)

RGBA

rgba(47,77,193, 1)

HSL

hsl(227.67,60.83%,47.06%)

OKLCH (Modern CSS)

oklch(0.47 0.18 267.5)

CSS Variable

--color: #2f4dc1;

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

7.11

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

2.95

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#2f4dc1#8081c1

ORIG

SIM

Deuteranopia (green)

#2f4dc1#655bc1

ORIG

SIM

Tritanopia (blue)

#2f4dc1#31383f

ORIG

SIM

Monochrome (color blind)

#2f4dc1#575570

Mixing guide

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

MIXING PALETTE

86%

RYB PIGMENTS

Ultramarine blue

Pigment

86%

Ivory black

Pigment

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)

9.8%

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.

Flying Fish Blue

#024ACA

Denim

#2243B6

Once in a Blue Moon

#0044BB

Frosted Blueberries

#0055DD

Hokey Pokey

#C1A32F

Purple Heart

#5A2FC1

Curious Blue

#2F96C1

Brick Red

#C12F4D

Apple

#4DC12F

Tuscany

#C15A2F

Malibu

#7782FF

Resolution Blue

#001F86