#3f515a

Color #3f515a

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 5.11 Nearest Tailwind class mist-600 #4b585b · ΔE 4.1

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Conversions

HEX

#3f515a

RGB

rgb(63, 81, 90)

HSL

hsl(200, 17.6%, 30%)

HSV / HSB

hsv(200, 30%, 35.3%)

CMYK

cmyk(30%, 10%, 0%, 64.7%)

LAB

lab(33.31, -4.58, -7.55)

LCH

lch(33.31, 8.83, 238.76)

OKLCH

oklch(42.3%, 0.027, 229.81)

HWB

hwb(200, 24.7%, 64.7%)

Harmony colors

Complementary

#5a483f

Analogous

#3f5a55

#3f515a

#3f445a

Triadic

#3f515a

#5a3f51

#515a3f

Split-complementary

#3f515a

#5a3f44

#5a553f

Tetradic

#3f515a

#483f5a

#5a483f

#515a3f

Square

#3f515a

#553f5a

#5a483f

#445a3f

Shades

Color #3f515a mixed toward black.

#35434b

#2a363c

#20282d

#151b1e

#0b0d0f

Tints

Color #3f515a mixed toward white.

#58707d

#738f9d

#96abb5

#b9c7ce

#dce3e6

Tones

Color #3f515a mixed toward gray.

#415058

#444f55

#464f53

#484e51

#4a4d4f

Accessibility

Aa White text on this color

8.28:1

Aa Black text on this color

2.54:1

White text reads better on this background (8.28:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#474858 · ΔE 10.6

Deuteranopia

#464557 · ΔE 12.4

Tritanopia

#405656 · ΔE 6.1

Achromatopsia

#4e4e4e · ΔE 8.3

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

Code

CSS

background-color: #3f515a;

Tailwind (arbitrary value)

bg-[#3f515a]

Related colors

Sky Blue #87ceeb

Light Sky Blue #87cefa

Charcoal #36454f

Deep Sky Blue #00bfff

Light Blue #add8e6

Steel Blue #4682b4

Frequently asked questions

#3f515a (#3f515a) is rgb(63, 81, 90) in RGB.

No, #3f515a 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.

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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 #3f515a, or check how it holds up for accessibility.

Generate a palette → Check contrast