#565c66

Color #565c66

A nearly neutral, gray-leaning dark blue.

Closest named color Dim Gray #696969 · ΔE 8.54 Nearest Tailwind class gray-600 #4a5565 · ΔE 4

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Conversions

HEX

#565c66

RGB

rgb(86, 92, 102)

HSL

hsl(217.5, 8.5%, 36.9%)

HSV / HSB

hsv(217.5, 15.7%, 40%)

CMYK

cmyk(15.7%, 9.8%, 0%, 60%)

LAB

lab(38.88, -0.04, -6.51)

LCH

lch(38.88, 6.51, 269.65)

OKLCH

oklch(47.3%, 0.0178, 260.64)

HWB

hwb(217.5, 33.7%, 60%)

Harmony colors

Complementary

#666056

Analogous

#566466

#565c66

#585666

Triadic

#565c66

#66565c

#5c6656

Split-complementary

#565c66

#665856

#646656

Tetradic

#565c66

#605666

#666056

#5c6656

Square

#565c66

#665664

#666056

#566658

Shades

Color #565c66 mixed toward black.

#484d55

#393d44

#2b2e33

#1d1f22

#0e0f11

Tints

Color #565c66 mixed toward white.

#6f7683

#8b919d

#a8adb5

#c5c8ce

#e2e4e6

Tones

Color #565c66 mixed toward gray.

#575c65

#595d63

#5a5d62

#5b5d61

#5d5e5f

Accessibility

Aa White text on this color

6.73:1

Aa Black text on this color

3.12:1

White text reads better on this background (6.73:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#595964 · ΔE 3.6

Deuteranopia

#585863 · ΔE 3.7

Tritanopia

#566261 · ΔE 7.9

Achromatopsia

#5c5c5c · ΔE 5.7

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

Code

CSS

background-color: #565c66;

Tailwind (arbitrary value)

bg-[#565c66]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#565c66 (#565c66) is rgb(86, 92, 102) in RGB.

No, #565c66 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.

Try it → Accessibility

Contrast Checker

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

Try it → Generators

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 #565c66, or check how it holds up for accessibility.

Generate a palette → Check contrast