#657b9e

Color #657b9e

A muted medium blue.

Closest named color Slate Gray #708090 · ΔE 11.35 Nearest Tailwind class slate-500 #62748e · ΔE 3.9

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#657b9e

RGB

rgb(101, 123, 158)

HSL

hsl(216.8, 22.7%, 50.8%)

HSV / HSB

hsv(216.8, 36.1%, 62%)

CMYK

cmyk(36.1%, 22.2%, 0%, 38%)

LAB

lab(51.15, 0.94, -21.36)

LCH

lch(51.15, 21.38, 272.52)

OKLCH

oklch(57.9%, 0.0601, 259.55)

HWB

hwb(216.8, 39.6%, 38%)

Harmony colors

Complementary

#9e8865

Analogous

#65989e

#657b9e

#6c659e

Triadic

#657b9e

#9e657b

#7b9e65

Split-complementary

#657b9e

#9e6c65

#989e65

Tetradic

#657b9e

#88659e

#9e8865

#7b9e65

Square

#657b9e

#9e6598

#9e8865

#659e6c

Shades

Color #657b9e mixed toward black.

#536684

#43526a

#323d4f

#212935

#11141a

Tints

Color #657b9e mixed toward white.

#7f91ae

#98a7be

#b2bdcf

#ccd3df

#e5e9ef

Tones

Color #657b9e mixed toward gray.

#6a7c99

#6f7d95

#737e90

#787f8b

#7d8086

Accessibility

Aa White text on this color

4.3:1

Aa Black text on this color

4.88:1

Black text reads better on this background (4.88:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6f6f96 · ΔE 8.6

Deuteranopia

#6e6c95 · ΔE 9.5

Tritanopia

#66908f · ΔE 18.9

Achromatopsia

#7a7a7a · ΔE 14.4

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #657b9e;

Tailwind (arbitrary value)

bg-[#657b9e]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#657b9e (#657b9e) is rgb(101, 123, 158) in RGB.

No, #657b9e is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #657b9e, or check how it holds up for accessibility.

Generate a palette → Check contrast