#3f2121

Color #3f2121

A muted very dark red.

Closest named color Black #000000 · ΔE 22.99 Nearest Tailwind class orange-950 #441306 · ΔE 8.5

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Conversions

HEX

#3f2121

RGB

rgb(63, 33, 33)

HSL

hsl(0, 31.3%, 18.8%)

HSV / HSB

hsv(0, 47.6%, 24.7%)

CMYK

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

LAB

lab(16.77, 14.42, 6.29)

LCH

lch(16.77, 15.73, 23.57)

OKLCH

oklch(28.8%, 0.0464, 20.31)

HWB

hwb(0, 12.9%, 75.3%)

Harmony colors

Complementary

#213f3f

Analogous

#3f2130

#3f2121

#3f3021

Triadic

#3f2121

#213f21

#21213f

Split-complementary

#3f2121

#213f30

#21303f

Tetradic

#3f2121

#3f3f21

#213f3f

#21213f

Square

#3f2121

#303f21

#213f3f

#30213f

Shades

Color #3f2121 mixed toward black.

#341b1b

#2a1616

#1f1010

#150b0b

#0a0505

Tints

Color #3f2121 mixed toward white.

#6c3939

#9a5050

#b87777

#d0a4a4

#e7d2d2

Tones

Color #3f2121 mixed toward gray.

#3c2323

#3a2626

#372828

#352b2b

#322d2d

Accessibility

Aa White text on this color

14.47:1

Aa Black text on this color

1.45:1

White text reads better on this background (14.47:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#343421 · ΔE 22.6

Deuteranopia

#363821 · ΔE 24.9

Tritanopia

#3e2121 · ΔE 0.4

Achromatopsia

#292929 · ΔE 14.9

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

Code

CSS

background-color: #3f2121;

Tailwind (arbitrary value)

bg-[#3f2121]

Related colors

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Dark Gray #a9a9a9

Dark Red #8b0000

Frequently asked questions

#3f2121 (#3f2121) is rgb(63, 33, 33) in RGB.

No, #3f2121 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 #3f2121, or check how it holds up for accessibility.

Generate a palette → Check contrast