#2299dd

Homeworld

ReadyTools Database (Exact)

Curious Blue

~98% match

Color formats

RGB

rgb(34, 153, 221)

Red, Green, Blue components

HSL

hsl(202, 73%, 50%)

Hue, Saturation, Lightness

CMYK

cmyk(85, 31, 0, 13)

Print color encoding

Luminance

0.283

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#2299dd

#dd6622

Analogous (Adjacent)

#22ddc3

#2299dd

#223bdd

Triadic

#2299dd

#dd2299

#99dd22

Split complementary

#2299dd

#dd223b

#ddc422

Complete conversion table

HEX

#2299DD

RGB

rgb(34,153,221)

RGBA

rgba(34,153,221, 1)

HSL

hsl(201.82,73.33%,50%)

OKLCH (Modern CSS)

oklch(0.65 0.14 240.6)

CSS Variable

--color: #2299dd;

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

3.15

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

6.67

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#2299dd#b7b8dd

ORIG

SIM

Deuteranopia (green)

#2299dd#675add

ORIG

SIM

Tritanopia (blue)

#2299dd#285761

ORIG

SIM

Monochrome (color blind)

#2299dd#919191

Mixing guide

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

MIXING PALETTE

84%

16%

RYB PIGMENTS

Ultramarine blue

Pigment

84%

Cadmium yellow

Pigment

16%

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)

28.3%

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.

Out of the Blue

#1199EE

Fresh Blue of Bel Air

#069AF3

Canadian Tuxedo

#579ACA

Magical Merlin

#3D8ED0

Hot Cinnamon

#DD6622

Persian Blue

#223BDD

Turquoise

#22DDC3

Cerise

#DD2299

Atlantis

#99DD22

Alizarin Crimson

#DD223B

Malibu

#76D4FF

Endeavour

#0062A1