#3f3f39

Color #3f3f39

A nearly neutral, gray-leaning dark yellow.

Closest named color Charcoal #36454f · ΔE 11.96 Nearest Tailwind class stone-700 #44403b · ΔE 2.9

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Conversions

HEX

#3f3f39

RGB

rgb(63, 63, 57)

HSL

hsl(60, 5%, 23.5%)

HSV / HSB

hsv(60, 9.5%, 24.7%)

CMYK

cmyk(0%, 0%, 9.5%, 75.3%)

LAB

lab(26.47, -1.3, 3.68)

LCH

lch(26.47, 3.9, 109.46)

OKLCH

oklch(36.6%, 0.01, 106.81)

HWB

hwb(60, 22.4%, 75.3%)

Harmony colors

Complementary

#39393f

Analogous

#3f3c39

#3f3f39

#3c3f39

Triadic

#3f3f39

#393f3f

#3f393f

Split-complementary

#3f3f39

#393c3f

#3c393f

Tetradic

#3f3f39

#393f39

#39393f

#3f393f

Square

#3f3f39

#393f3c

#39393f

#3f393c

Shades

Color #3f3f39 mixed toward black.

#34342f

#2a2a26

#1f1f1c

#151513

#0a0a09

Tints

Color #3f3f39 mixed toward white.

#616158

#838377

#a2a299

#c1c1bb

#e0e0dd

Tones

Color #3f3f39 mixed toward gray.

#3e3e39

#3e3e3a

#3d3d3a

#3d3d3b

#3c3c3b

Accessibility

Aa White text on this color

10.6:1

Aa Black text on this color

1.98:1

White text reads better on this background (10.6:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3f3f3b · ΔE 1.2

Deuteranopia

#3f3f3b · ΔE 1.2

Tritanopia

#3f3c3c · ΔE 4.9

Achromatopsia

#3f3f3f · ΔE 3.8

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

Code

CSS

background-color: #3f3f39;

Tailwind (arbitrary value)

bg-[#3f3f39]

Related colors

Ivory #fffff0

Beige #f5f5dc

Light Goldenrod Yellow #fafad2

Light Yellow #ffffe0

Olive #808000

Yellow #ffff00

Frequently asked questions

#3f3f39 (#3f3f39) is rgb(63, 63, 57) in RGB.

No, #3f3f39 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 #3f3f39, or check how it holds up for accessibility.

Generate a palette → Check contrast