#3f3f21

Color #3f3f21

A muted very dark yellow.

Closest named color Dark Slate Gray #2f4f4f · ΔE 23.61 Nearest Tailwind class olive-700 #474739 · ΔE 7

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Conversions

HEX

#3f3f21

RGB

rgb(63, 63, 33)

HSL

hsl(60, 31.3%, 18.8%)

HSV / HSB

hsv(60, 47.6%, 24.7%)

CMYK

cmyk(0%, 0%, 47.6%, 75.3%)

LAB

lab(25.93, -5.33, 18.37)

LCH

lch(25.93, 19.13, 106.18)

OKLCH

oklch(36%, 0.0468, 108.55)

HWB

hwb(60, 12.9%, 75.3%)

Harmony colors

Complementary

#21213f

Analogous

#3f3021

#3f3f21

#303f21

Triadic

#3f3f21

#213f3f

#3f213f

Split-complementary

#3f3f21

#21303f

#30213f

Tetradic

#3f3f21

#213f21

#21213f

#3f213f

Square

#3f3f21

#213f30

#21213f

#3f2130

Shades

Color #3f3f21 mixed toward black.

#34341b

#2a2a16

#1f1f10

#15150b

#0a0a05

Tints

Color #3f3f21 mixed toward white.

#6c6c39

#9a9a50

#b8b877

#d0d0a4

#e7e7d2

Tones

Color #3f3f21 mixed toward gray.

#3c3c23

#3a3a26

#373728

#35352b

#32322d

Accessibility

Aa White text on this color

10.8:1

Aa Black text on this color

1.94:1

White text reads better on this background (10.8:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3f3f2a · ΔE 3.3

Deuteranopia

#3f3f2c · ΔE 4.1

Tritanopia

#3f3132 · ΔE 20.2

Achromatopsia

#3d3d3d · ΔE 13.8

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

Code

CSS

background-color: #3f3f21;

Tailwind (arbitrary value)

bg-[#3f3f21]

Related colors

Ivory #fffff0

Beige #f5f5dc

Light Goldenrod Yellow #fafad2

Light Yellow #ffffe0

Olive #808000

Yellow #ffff00

Frequently asked questions

#3f3f21 (#3f3f21) is rgb(63, 63, 33) in RGB.

No, #3f3f21 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

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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 #3f3f21, or check how it holds up for accessibility.

Generate a palette → Check contrast