#3F440D#3F440D

#3F440D is a dark, moderate yellow. Relative luminance 0.052; OKLCH L 37.0% C 0.075 H 114.6°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#3F440D
RGB	rgb(63, 68, 13)
HSL	hsl(65, 68%, 16%)
HSV	hsv(65, 81%, 27%)
CMYK	cmyk(7.4%, 0%, 80.9%, 73.3%)
CIE-LAB	lab(27.35, -10.24, 30.64)
CIE-LCH	lch(27.35, 32.31, 108.48°)
OKLab	oklab(37.02% -0.0312 0.068)
OKLCH	oklch(37.02% 0.075 114.6)
XYZ	xyz(4.1898, 5.2201, 1.1676)
Luminance	0.0522 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F440D #120D44

analogous

#442D0D #3F440D #23440D

triadic

#3F440D #0D3F44 #440D3F

tetradic

#3F440D #0D442D #120D44 #440D23

square

#3F440D #0D442D #120D44 #440D23

split-complementary

#3F440D #0D2344 #2D0D44

monochromatic

#181A05 #181A05 #3F440D #6F7717 #9EAB21

Accessibility & contrast

On white

10.27

#3F440D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3F440D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F440D

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F440D	#FFFFFF	#000000	##FFFFFF
##3F440D	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)

#4A4004

Deuteranopia (green-blind)

#494111

Tritanopia (blue-blind)

#444039

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3f440d;
/* rgb */ color: rgb(63, 68, 13);
/* oklch */ color: oklch(37.0% 0.075 114.6);

Tailwind

colors: {
  custom: {
    50: '#767750',
    500: '#3f440d',
    950: '#000000',
  },
}

SCSS

$custom: #3f440d;
$custom-light: #767750;
$custom-dark: #000000;

JSON

{
  "hex": "#3f440d",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 13
  },
  "hsl": {
    "h": 65.455,
    "s": 67.901,
    "l": 15.882
  },
  "oklch": {
    "l": 0.37022,
    "c": 0.07476,
    "h": 114.6
  },
  "luminance": 0.0522
}

Semantic roles & 50–950 ramp

primary

#3F440D

secondary

#352D7F

accent

#3DEB4D

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #3F440D

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

Preview Lab → · Contrast checker → · Palette generator →