#378498

Astral

Closest match (94% match)

Color formats

RGB

rgb(55, 132, 152)

Red, Green, Blue components

HSL

hsl(192, 47%, 41%)

Hue, Saturation, Lightness

CMYK

cmyk(64, 13, 0, 40)

Print color encoding

Luminance

0.196

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#378498

#984b37

Analogous (Adjacent)

#37987b

#378498

#375498

Triadic

#378498

#983784

#849837

Split complementary

#378498

#983753

#987c37

Complete conversion table

HEX

#378498

RGB

rgb(55,132,152)

RGBA

rgba(55,132,152, 1)

HSL

hsl(192.37,46.86%,40.59%)

OKLCH (Modern CSS)

oklch(0.57 0.08 217.8)

CSS Variable

--color: #378498;

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

4.27

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

4.92

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#378498#8d8d98

ORIG

SIM

Deuteranopia (green)

#378498#5a5498

ORIG

SIM

Tritanopia (blue)

#378498#3b5660

ORIG

SIM

Monochrome (color blind)

#378498#7a7a7a

Mixing guide

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

MIXING PALETTE

54%

33%

13%

RYB PIGMENTS

Ultramarine blue

Pigment

54%

Ivory black

Pigment

33%

Cadmium yellow

Pigment

13%

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)

19.6%

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.

Waikiki

#218BA0

Ocean Blues

#508693

Pacific Pleasure

#167D97

Ahoy! Blue

#0082A1

El Salva

#984B37

Chambray

#375498

Ocean Green

#37987C

Plum

#983784

Sycamore

#849837

Camelot

#983753

Downy

#75BED3

Sherpa Blue

#004F61