#307d99

Astral

Closest match (97% match)

Color formats

RGB

rgb(48, 125, 153)

Red, Green, Blue components

HSL

hsl(196, 52%, 39%)

Hue, Saturation, Lightness

CMYK

cmyk(69, 18, 0, 40)

Print color encoding

Luminance

0.176

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#307d99

#994c30

Analogous (Adjacent)

#309981

#307d99

#304899

Triadic

#307d99

#99307d

#7d9930

Split complementary

#307d99

#993048

#998130

Complete conversion table

HEX

#307D99

RGB

rgb(48,125,153)

RGBA

rgba(48,125,153, 1)

HSL

hsl(196,52.24%,39.41%)

OKLCH (Modern CSS)

oklch(0.55 0.09 225.7)

CSS Variable

--color: #307d99;

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

4.65

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

4.52

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#307d99#898a99

ORIG

SIM

Deuteranopia (green)

#307d99#565099

ORIG

SIM

Tritanopia (blue)

#307d99#344f59

ORIG

SIM

Monochrome (color blind)

#307d99#747474

Mixing guide

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

MIXING PALETTE

54%

34%

12%

RYB PIGMENTS

Ultramarine blue

Pigment

54%

Ivory black

Pigment

34%

Cadmium yellow

Pigment

12%

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)

17.6%

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.

Pacific Pleasure

#167D97

Ahoy! Blue

#0082A1

Bleu Ciel

#007BA1

Celestial

#007894

Mule Fawn

#994C30

Sapphire

#304899

Lochinvar

#309981

Royal Heath

#99307D

Sushi

#7D9930

Stiletto

#993048

Viking

#6FB6D4

Astronaut Blue

#004862