#2a91bc

Curious Blue

Closest match (96% match)

Color formats

RGB

rgb(42, 145, 188)

Red, Green, Blue components

HSL

hsl(198, 63%, 45%)

Hue, Saturation, Lightness

CMYK

cmyk(78, 23, 0, 26)

Print color encoding

Luminance

0.244

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#2a91bc

#bc552a

Analogous (Adjacent)

#2abc9e

#2a91bc

#2a48bc

Triadic

#2a91bc

#bc2a91

#91bc2a

Split complementary

#2a91bc

#bc2a48

#bc9e2a

Complete conversion table

HEX

#2A91BC

RGB

rgb(42,145,188)

RGBA

rgba(42,145,188, 1)

HSL

hsl(197.67,63.48%,45.1%)

OKLCH (Modern CSS)

oklch(0.62 0.11 230.9)

CSS Variable

--color: #2a91bc;

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

3.57

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

5.87

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#2a91bc#a4a4bc

ORIG

SIM

Deuteranopia (green)

#2a91bc#6056bc

ORIG

SIM

Tritanopia (blue)

#2a91bc#2f5661

ORIG

SIM

Monochrome (color blind)

#2a91bc#878787

Mixing guide

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

MIXING PALETTE

70%

15%

RYB PIGMENTS

Ultramarine blue

Pigment

70%

Cadmium yellow

Pigment

15%

Ivory black

Pigment

15%

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

Cyan hue

485–500 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)

24.4%

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.

Swimmer

#0A91BF

Mermaid Dreams

#0088BB

Underwater Moonlight

#4488AA

Corfu Waters

#008AAD

Tuscany

#BC552A

Cerulean Blue

#2A48BC

Shamrock

#2ABC9E

Medium Red Violet

#BC2A91

Atlantis

#91BC2A

Brick Red

#BC2A48

Malibu

#73CBF9

Orient

#005B82