#312B04#312B04

#312B04 is a dark, muted yellow. Relative luminance 0.024; OKLCH L 28.7% C 0.056 H 100.3°. Best body text is #FFFFFF at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#312B04
RGB	rgb(49, 43, 4)
HSL	hsl(52, 85%, 10%)
HSV	hsv(52, 92%, 19%)
CMYK	cmyk(0%, 12.2%, 91.8%, 80.8%)
CIE-LAB	lab(17.41, -2.55, 23.40)
CIE-LCH	lch(17.41, 23.54, 96.23°)
OKLab	oklab(28.72% -0.0099 0.0547)
OKLCH	oklch(28.72% 0.056 100.3)
XYZ	xyz(2.1525, 2.3896, 0.4627)
Luminance	0.0239 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312B04 #040A31

analogous

#311404 #312B04 #203104

triadic

#312B04 #04312B #2B0431

tetradic

#312B04 #043114 #040A31 #310420

square

#312B04 #043114 #040A31 #310420

split-complementary

#312B04 #042031 #140431

monochromatic

#1C1902 #1C1902 #312B04 #6A5D09 #A28E0D

Accessibility & contrast

On white

14.21

#312B04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#312B04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312B04

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312B04	#FFFFFF	#000000	##FFFFFF
##312B04	1.00	14.21	1.48	14.21
#FFFFFF	14.21	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302900

Deuteranopia (green-blind)

#322C06

Tritanopia (blue-blind)

#362723

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #312b04;
/* rgb */ color: rgb(49, 43, 4);
/* oklch */ color: oklch(28.7% 0.056 100.3);

Tailwind

colors: {
  custom: {
    50: '#6b6449',
    500: '#312b04',
    950: '#000000',
  },
}

SCSS

$custom: #312b04;
$custom-light: #6b6449;
$custom-dark: #000000;

JSON

{
  "hex": "#312b04",
  "rgb": {
    "r": 49,
    "g": 43,
    "b": 4
  },
  "hsl": {
    "h": 52,
    "s": 84.906,
    "l": 10.392
  },
  "oklch": {
    "l": 0.28717,
    "c": 0.05557,
    "h": 100.3
  },
  "luminance": 0.02389
}

Semantic roles & 50–950 ramp

primary

#312B04

secondary

#1D2973

accent

#48FB2D

background

#F6F5F4

surface

#EBEAE6

border

#C6C6C2

text

#070501

muted

#7A7977

Preview Lab

Preview with #312B04

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

Preview Lab → · Contrast checker → · Palette generator →