#37b2e4

Picton Blue

Closest match (98% match)

Color formats

RGB

rgb(55, 178, 228)

Red, Green, Blue components

HSL

hsl(197, 76%, 55%)

Hue, Saturation, Lightness

CMYK

cmyk(76, 22, 0, 11)

Print color encoding

Luminance

0.383

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#37b2e4

#e46937

Analogous (Adjacent)

#37e4c0

#37b2e4

#375be4

Triadic

#37b2e4

#e437b2

#b2e437

Split complementary

#37b2e4

#e4375c

#e4bf37

Complete conversion table

HEX

#37B2E4

RGB

rgb(55,178,228)

RGBA

rgba(55,178,228, 1)

HSL

hsl(197.34,76.21%,55.49%)

OKLCH (Modern CSS)

oklch(0.72 0.13 230.1)

CSS Variable

--color: #37b2e4;

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

2.43

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

8.65

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#37b2e4#c8c9e4

ORIG

SIM

Deuteranopia (green)

#37b2e4#766be4

ORIG

SIM

Tritanopia (blue)

#37b2e4#3d6b78

ORIG

SIM

Monochrome (color blind)

#37b2e4#a6a6a6

Mixing guide

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

MIXING PALETTE

71%

15%

14%

RYB PIGMENTS

Ultramarine blue

Pigment

71%

Cadmium yellow

Pigment

15%

Titanium white

Pigment

14%

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)

38.3%

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.

Thalassophile

#44AADD

Blue Bikini

#00BBEE

Mystic Blue

#48A8D0

Cousteau

#55A9D6

Flame Pea

#E46937

Royal Blue

#375BE4

Turquoise

#37E4BF

Cerise

#E437B2

Pear

#B2E437

Amaranth

#E4375C

Anakiwa

#83EEFF

Deep Cerulean

#0079A8