#51768e

Smalt Blue

Closest match (94% match)

Color formats

RGB

rgb(81, 118, 142)

Red, Green, Blue components

HSL

hsl(204, 27%, 44%)

Hue, Saturation, Lightness

CMYK

cmyk(43, 17, 0, 44)

Print color encoding

Luminance

0.167

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#51768e

#8e6951

Analogous (Adjacent)

#518e88

#51768e

#51578e

Triadic

#51768e

#8e5176

#768e51

Split complementary

#51768e

#8e5157

#8e8851

Complete conversion table

HEX

#51768E

RGB

rgb(81,118,142)

RGBA

rgba(81,118,142, 1)

HSL

hsl(203.61,27.35%,43.73%)

OKLCH (Modern CSS)

oklch(0.55 0.06 237.6)

CSS Variable

--color: #51768e;

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

4.85

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

4.33

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#51768e#81818e

ORIG

SIM

Deuteranopia (green)

#51768e#67638e

ORIG

SIM

Tritanopia (blue)

#51768e#535a65

ORIG

SIM

Monochrome (color blind)

#51768e#717171

Mixing guide

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

MIXING PALETTE

56%

34%

10%

RYB PIGMENTS

Ultramarine blue

Pigment

56%

Ivory black

Pigment

34%

Cadmium yellow

Pigment

10%

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)

16.7%

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.

Beach View

#4F7694

Shipyard

#4F6F85

Harbour Blue

#417491

Cry Me a River

#427898

Leather

#8E6951

Waikawa Gray

#51578E

Smalt Blue

#518E88

Cannon Pink

#8E5176

Asparagus

#768E51

Au Chico

#8E5157

Polo Blue

#89AEC8

Nile Blue

#194258