#487cb0

Steel Blue

Closest match (97% match)

Color formats

RGB

rgb(72, 124, 176)

Red, Green, Blue components

HSL

hsl(210, 42%, 49%)

Hue, Saturation, Lightness

CMYK

cmyk(59, 30, 0, 31)

Print color encoding

Luminance

0.189

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#487cb0

#b07c48

Analogous (Adjacent)

#48b0b0

#487cb0

#4848b0

Triadic

#487cb0

#b0487c

#7cb048

Split complementary

#487cb0

#b04848

#b0b048

Complete conversion table

HEX

#487CB0

RGB

rgb(72,124,176)

RGBA

rgba(72,124,176, 1)

HSL

hsl(210,41.94%,48.63%)

OKLCH (Modern CSS)

oklch(0.57 0.10 249.9)

CSS Variable

--color: #487cb0;

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

4.39

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

4.79

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#487cb0#9393b0

ORIG

SIM

Deuteranopia (green)

#487cb0#6e67b0

ORIG

SIM

Tritanopia (blue)

#487cb0#4b5964

ORIG

SIM

Monochrome (color blind)

#487cb0#787878

Mixing guide

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

MIXING PALETTE

82%

12%

RYB PIGMENTS

Ultramarine blue

Pigment

82%

Cadmium yellow

Pigment

12%

Ivory black

Pigment

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)

18.9%

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.

Into the Blue

#4F7BA7

Mykonos

#387ABE

Blue Triumph

#4376AB

Fisher King

#5182B9

Driftwood

#B07C48

Blue Violet

#4848B0

Fountain Blue

#48B0B0

Cadillac

#B0487C

Sushi

#7CB048

Apple Blossom

#B04848

Jordy Blue

#85B5EC

Regal Blue

#004877