#657e8a

Slate Gray

Closest match (95% match)

Color formats

RGB

rgb(101, 126, 138)

Red, Green, Blue components

HSL

hsl(199, 15%, 47%)

Hue, Saturation, Lightness

CMYK

cmyk(27, 9, 0, 46)

Print color encoding

Luminance

0.195

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#657e8a

#8a7165

Analogous (Adjacent)

#658a84

#657e8a

#656c8a

Triadic

#657e8a

#8a657e

#7e8a65

Split complementary

#657e8a

#8a656b

#8a8465

Complete conversion table

HEX

#657E8A

RGB

rgb(101,126,138)

RGBA

rgba(101,126,138, 1)

HSL

hsl(199.46,15.48%,46.86%)

OKLCH (Modern CSS)

oklch(0.58 0.03 228.7)

CSS Variable

--color: #657e8a;

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

4.28

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

4.90

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#657e8a#83838a

ORIG

SIM

Deuteranopia (green)

#657e8a#72708a

ORIG

SIM

Tritanopia (blue)

#657e8a#666772

ORIG

SIM

Monochrome (color blind)

#657e8a#7a7a7a

Mixing guide

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

MIXING PALETTE

58%

30%

12%

RYB PIGMENTS

Ultramarine blue

Pigment

58%

Ivory black

Pigment

30%

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)

19.5%

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.

Citadel

#6A7F8B

Night Owl

#5D7B89

Whale Shark

#607C8E

Catfish

#657D82

Cement

#8A7165

Storm Gray

#656C8A

Juniper

#658A84

Strikemaster

#8A657E

Flax Smoke

#7E8A65

Opium

#8A656B

Nepal

#9DB7C4

Pickled Bluewood

#314954