#3F440E#3F440E

#3F440E is a dark, moderate yellow. Relative luminance 0.052; OKLCH L 37.0% C 0.074 H 114.7°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#3F440E
RGB	rgb(63, 68, 14)
HSL	hsl(66, 66%, 16%)
HSV	hsv(66, 79%, 27%)
CMYK	cmyk(7.4%, 0%, 79.4%, 73.3%)
CIE-LAB	lab(27.36, -10.18, 30.22)
CIE-LCH	lch(27.36, 31.89, 108.61°)
OKLab	oklab(37.03% -0.0309 0.0673)
OKLCH	oklch(37.03% 0.074 114.7)
XYZ	xyz(4.1964, 5.2228, 1.2024)
Luminance	0.0522 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F440E #130E44

analogous

#442E0E #3F440E #24440E

triadic

#3F440E #0E3F44 #440E3F

tetradic

#3F440E #0E442E #130E44 #440E24

square

#3F440E #0E442E #130E44 #440E24

split-complementary

#3F440E #0E2444 #2E0E44

monochromatic

#181905 #181905 #3F440E #6E7718 #9DAA23

Accessibility & contrast

On white

10.27

#3F440E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3F440E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F440E

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F440E	#FFFFFF	#000000	##FFFFFF
##3F440E	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494005

Deuteranopia (green-blind)

#494112

Tritanopia (blue-blind)

#444039

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3f440e;
/* rgb */ color: rgb(63, 68, 14);
/* oklch */ color: oklch(37.0% 0.074 114.7);

Tailwind

colors: {
  custom: {
    50: '#767751',
    500: '#3f440e',
    950: '#000000',
  },
}

SCSS

$custom: #3f440e;
$custom-light: #767751;
$custom-dark: #000000;

JSON

{
  "hex": "#3f440e",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 14
  },
  "hsl": {
    "h": 65.556,
    "s": 65.854,
    "l": 16.078
  },
  "oklch": {
    "l": 0.3703,
    "c": 0.07402,
    "h": 114.7
  },
  "luminance": 0.05223
}

Semantic roles & 50–950 ramp

primary

#3F440E

secondary

#362F7F

accent

#3FE94F

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #3F440E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →