#657f83

Sirocco

Closest match (96% match)

Color formats

RGB

rgb(101, 127, 131)

Red, Green, Blue components

HSL

hsl(188, 13%, 45%)

Hue, Saturation, Lightness

CMYK

cmyk(23, 3, 0, 49)

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)

#657f83

#836965

Analogous (Adjacent)

#658378

#657f83

#657083

Triadic

#657f83

#83657f

#7f8365

Split complementary

#657f83

#836570

#837865

Complete conversion table

HEX

#657F83

RGB

rgb(101,127,131)

RGBA

rgba(101,127,131, 1)

HSL

hsl(188,12.93%,45.49%)

OKLCH (Modern CSS)

oklch(0.58 0.03 207.8)

CSS Variable

--color: #657f83;

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)

#657f83#818183

ORIG

SIM

Deuteranopia (green)

#657f83#6f6e83

ORIG

SIM

Tritanopia (blue)

#657f83#666773

ORIG

SIM

Monochrome (color blind)

#657f83#7a7a7a

Mixing guide

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

MIXING PALETTE

44%

43%

12%

RYB PIGMENTS

Ultramarine blue

Pigment

44%

Ivory black

Pigment

43%

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)

19.6%

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.

Catfish

#657D82

Blue Blood

#6B7F81

North Atlantic

#5E7B7F

Thundercloud

#698589

Sand Dune

#836965

Pale Sky

#657083

Viridian Green

#658378

Old Lavender

#83657F

Flax Smoke

#7F8365

Falcon

#836570

Tower Gray

#9DB8BC

Limed Spruce

#314A4E