#3f421b

Color #3f421b

A moderately saturated very dark yellow.

Closest named color Dark Olive Green #556b2f · ΔE 20.36 Nearest Tailwind class olive-700 #474739 · ΔE 9.3

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#3f421b

RGB

rgb(63, 66, 27)

HSL

hsl(64.6, 41.9%, 18.2%)

HSV / HSB

hsv(64.6, 59.1%, 25.9%)

CMYK

cmyk(4.5%, 0%, 59.1%, 74.1%)

LAB

lab(26.83, -7.88, 23.01)

LCH

lch(26.83, 24.32, 108.9)

OKLCH

oklch(36.7%, 0.0587, 112.85)

HWB

hwb(64.6, 10.6%, 74.1%)

Harmony colors

Complementary

#1e1b42

Analogous

#42311b

#3f421b

#2b421b

Triadic

#3f421b

#1b3f42

#421b3f

Split-complementary

#3f421b

#1b2b42

#311b42

Tetradic

#3f421b

#1b421e

#1e1b42

#421b3f

Square

#3f421b

#1b4231

#1e1b42

#421b2b

Shades

Color #3f421b mixed toward black.

#343716

#2a2c12

#1f210d

#151609

#0a0b04

Tints

Color #3f421b mixed toward white.

#6e732f

#9da543

#bcc26b

#d2d79c

#e9ebce

Tones

Color #3f421b mixed toward gray.

#3c3f1e

#393b21

#373825

#343528

#31322b

Accessibility

Aa White text on this color

10.47:1

Aa Black text on this color

2.01:1

White text reads better on this background (10.47:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#404028 · ΔE 4.9

Deuteranopia

#40402b · ΔE 6

Tritanopia

#3f3032 · ΔE 24.3

Achromatopsia

#3f3f3f · ΔE 16.3

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

Code

CSS

background-color: #3f421b;

Tailwind (arbitrary value)

bg-[#3f421b]

Related colors

Ivory #fffff0

Beige #f5f5dc

Light Goldenrod Yellow #fafad2

Light Yellow #ffffe0

Olive #808000

Yellow #ffff00

Frequently asked questions

#3f421b (#3f421b) is rgb(63, 66, 27) in RGB.

No, #3f421b 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #3f421b, or check how it holds up for accessibility.

Generate a palette → Check contrast