#3f402d

Color #3f402d

A muted dark yellow.

Closest named color Dark Slate Gray #2f4f4f · ΔE 17.67 Nearest Tailwind class olive-700 #474739 · ΔE 3.5

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Conversions

HEX

#3f402d

RGB

rgb(63, 64, 45)

HSL

hsl(63.2, 17.4%, 21.4%)

HSV / HSB

hsv(63.2, 29.7%, 25.1%)

CMYK

cmyk(1.6%, 0%, 29.7%, 74.9%)

LAB

lab(26.49, -4.18, 11.53)

LCH

lch(26.49, 12.26, 109.93)

OKLCH

oklch(36.5%, 0.0309, 110.43)

HWB

hwb(63.2, 17.6%, 74.9%)

Harmony colors

Complementary

#2e2d40

Analogous

#40382d

#3f402d

#36402d

Triadic

#3f402d

#2d3f40

#402d3f

Split-complementary

#3f402d

#2d3640

#382d40

Tetradic

#3f402d

#2d402e

#2e2d40

#402d3f

Square

#3f402d

#2d4038

#2e2d40

#402d36

Shades

Color #3f402d mixed toward black.

#353526

#2a2b1e

#202017

#15150f

#0b0b08

Tints

Color #3f402d mixed toward white.

#666749

#8c8f64

#aaac89

#c7c8b1

#e3e3d8

Tones

Color #3f402d mixed toward gray.

#3e3e2f

#3c3d30

#3b3b32

#393a33

#383835

Accessibility

Aa White text on this color

10.59:1

Aa Black text on this color

1.98:1

White text reads better on this background (10.59:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3f3f32 · ΔE 2.8

Deuteranopia

#3f3f34 · ΔE 3.8

Tritanopia

#3f3637 · ΔE 14.7

Achromatopsia

#3f3f3f · ΔE 10.1

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

Code

CSS

background-color: #3f402d;

Tailwind (arbitrary value)

bg-[#3f402d]

Related colors

Ivory #fffff0

Beige #f5f5dc

Light Goldenrod Yellow #fafad2

Light Yellow #ffffe0

Olive #808000

Yellow #ffff00

Frequently asked questions

#3f402d (#3f402d) is rgb(63, 64, 45) in RGB.

No, #3f402d 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 #3f402d, or check how it holds up for accessibility.

Generate a palette → Check contrast