#5b6368

Color #5b6368

A nearly neutral, gray-leaning dark blue.

Closest named color Dim Gray #696969 · ΔE 5.26 Nearest Tailwind class mist-600 #4b585b · ΔE 5.3

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Conversions

HEX

#5b6368

RGB

rgb(91, 99, 104)

HSL

hsl(203.1, 6.7%, 38.2%)

HSV / HSB

hsv(203.1, 12.5%, 40.8%)

CMYK

cmyk(12.5%, 4.8%, 0%, 59.2%)

LAB

lab(41.45, -1.95, -3.89)

LCH

lch(41.45, 4.35, 243.38)

OKLCH

oklch(49.5%, 0.0128, 235.19)

HWB

hwb(203.1, 35.7%, 59.2%)

Harmony colors

Complementary

#68605b

Analogous

#5b6866

#5b6368

#5b5c68

Triadic

#5b6368

#685b63

#63685b

Split-complementary

#5b6368

#685b5c

#68665b

Tetradic

#5b6368

#605b68

#68605b

#63685b

Square

#5b6368

#665b68

#68605b

#5c685b

Shades

Color #5b6368 mixed toward black.

#4c5257

#3d4245

#2d3134

#1e2123

#0f1011

Tints

Color #5b6368 mixed toward white.

#737e84

#8f989d

#abb1b5

#c7cbce

#e3e5e6

Tones

Color #5b6368 mixed toward gray.

#5c6367

#5d6266

#5e6265

#5f6264

#606262

Accessibility

Aa White text on this color

6.12:1

Aa Black text on this color

3.43:1

White text reads better on this background (6.12:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5f5f67 · ΔE 5.3

Deuteranopia

#5e5d67 · ΔE 6.6

Tritanopia

#5b6666 · ΔE 3.8

Achromatopsia

#626262 · ΔE 4.4

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

Code

CSS

background-color: #5b6368;

Tailwind (arbitrary value)

bg-[#5b6368]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Steel Blue #4682b4

Alice Blue #f0f8ff

Sky Blue #87ceeb

Dodger Blue #1e90ff

Frequently asked questions

#5b6368 (#5b6368) is rgb(91, 99, 104) in RGB.

No, #5b6368 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 #5b6368, or check how it holds up for accessibility.

Generate a palette → Check contrast