#51678b

Color #51678b

A muted medium blue.

Closest named color Steel Blue #4682b4 · ΔE 14.6 Nearest Tailwind class slate-500 #62748e · ΔE 5.8

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Conversions

HEX

#51678b

RGB

rgb(81, 103, 139)

HSL

hsl(217.2, 26.4%, 43.1%)

HSV / HSB

hsv(217.2, 41.7%, 54.5%)

CMYK

cmyk(41.7%, 25.9%, 0%, 45.5%)

LAB

lab(43.23, 1.66, -22.45)

LCH

lch(43.23, 22.51, 274.23)

OKLCH

oklch(51.1%, 0.0634, 260.11)

HWB

hwb(217.2, 31.8%, 45.5%)

Harmony colors

Complementary

#8b7551

Analogous

#51848b

#51678b

#58518b

Triadic

#51678b

#8b5167

#678b51

Split-complementary

#51678b

#8b5851

#848b51

Tetradic

#51678b

#75518b

#8b7551

#678b51

Square

#51678b

#8b5184

#8b7551

#518b58

Shades

Color #51678b mixed toward black.

#435674

#36455d

#283345

#1b222e

#0d1117

Tints

Color #51678b mixed toward white.

#667ea6

#8598b8

#a3b2ca

#c2ccdb

#e0e5ed

Tones

Color #51678b mixed toward gray.

#566886

#5b6981

#5f6a7c

#646c78

#696d73

Accessibility

Aa White text on this color

5.73:1

Aa Black text on this color

3.66:1

White text reads better on this background (5.73:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5b5c83 · ΔE 7.8

Deuteranopia

#5a5882 · ΔE 9

Tritanopia

#527d7c · ΔE 19.8

Achromatopsia

#666666 · ΔE 15

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

Code

CSS

background-color: #51678b;

Tailwind (arbitrary value)

bg-[#51678b]

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

#51678b (#51678b) is rgb(81, 103, 139) in RGB.

No, #51678b is not web-safe. The nearest web-safe colors are among its tones and shades below.

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.

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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 #51678b, or check how it holds up for accessibility.

Generate a palette → Check contrast