#51607a

Color #51607a

A muted dark blue.

Closest named color Slate Gray #708090 · ΔE 14.09 Nearest Tailwind class slate-600 #45556c · ΔE 4.3

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Conversions

HEX

#51607a

RGB

rgb(81, 96, 122)

HSL

hsl(218, 20.2%, 39.8%)

HSV / HSB

hsv(218, 33.6%, 47.8%)

CMYK

cmyk(33.6%, 21.3%, 0%, 52.2%)

LAB

lab(40.44, 1.02, -16.47)

LCH

lch(40.44, 16.5, 273.54)

OKLCH

oklch(48.7%, 0.0459, 261.36)

HWB

hwb(218, 31.8%, 52.2%)

Harmony colors

Complementary

#7a6b51

Analogous

#51757a

#51607a

#56517a

Triadic

#51607a

#7a5160

#607a51

Split-complementary

#51607a

#7a5651

#757a51

Tetradic

#51607a

#6b517a

#7a6b51

#607a51

Square

#51607a

#7a5175

#7a6b51

#517a56

Shades

Color #51607a mixed toward black.

#435066

#364051

#28303d

#1b2029

#0d1014

Tints

Color #51607a mixed toward white.

#657899

#8493ad

#a3aec2

#c1c9d6

#e0e4eb

Tones

Color #51607a mixed toward gray.

#546177

#586273

#5b6370

#5f646c

#626569

Accessibility

Aa White text on this color

6.36:1

Aa Black text on this color

3.3:1

White text reads better on this background (6.36:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#585874 · ΔE 7

Deuteranopia

#575673 · ΔE 7.7

Tritanopia

#52706f · ΔE 16.4

Achromatopsia

#5f5f5f · ΔE 12.1

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

Code

CSS

background-color: #51607a;

Tailwind (arbitrary value)

bg-[#51607a]

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

#51607a (#51607a) is rgb(81, 96, 122) in RGB.

No, #51607a 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 #51607a, or check how it holds up for accessibility.

Generate a palette → Check contrast