#312803#312803

#312803 is a dark, muted yellow. Relative luminance 0.022; OKLCH L 27.9% C 0.054 H 95.0°. Best body text is #FFFFFF at 14.63:1 contrast (WCAG AA passes).

Color values

HEX	#312803
RGB	rgb(49, 40, 3)
HSL	hsl(48, 88%, 10%)
HSV	hsv(48, 94%, 19%)
CMYK	cmyk(0%, 18.4%, 93.9%, 80.8%)
CIE-LAB	lab(16.39, -0.62, 22.56)
CIE-LCH	lch(16.39, 22.56, 91.57°)
OKLab	oklab(27.91% -0.0047 0.0538)
OKLCH	oklch(27.91% 0.054 95)
XYZ	xyz(2.0420, 2.1772, 0.3988)
Luminance	0.0218 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312803 #030C31

analogous

#311103 #312803 #233103

triadic

#312803 #033128 #280331

tetradic

#312803 #033111 #030C31 #310323

square

#312803 #033111 #030C31 #310323

split-complementary

#312803 #032331 #110331

monochromatic

#1D1802 #1D1802 #312803 #6B5707 #A4860A

Accessibility & contrast

On white

14.63

#312803 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#312803 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312803

14.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312803	#FFFFFF	#000000	##FFFFFF
##312803	1.00	14.63	1.44	14.63
#FFFFFF	14.63	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2700

Deuteranopia (green-blind)

#302A05

Tritanopia (blue-blind)

#362421

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #312803;
/* rgb */ color: rgb(49, 40, 3);
/* oklch */ color: oklch(27.9% 0.054 95.0);

Tailwind

colors: {
  custom: {
    50: '#6b6148',
    500: '#312803',
    950: '#000000',
  },
}

SCSS

$custom: #312803;
$custom-light: #6b6148;
$custom-dark: #000000;

JSON

{
  "hex": "#312803",
  "rgb": {
    "r": 49,
    "g": 40,
    "b": 3
  },
  "hsl": {
    "h": 48.261,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.27905,
    "c": 0.05398,
    "h": 95
  },
  "luminance": 0.02177
}

Semantic roles & 50–950 ramp

primary

#312803

secondary

#1B2D74

accent

#53FF29

background

#F6F5F4

surface

#EBE9E6

border

#C6C5C2

text

#070500

muted

#7A7977

Preview Lab

Preview with #312803

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

Preview Lab → · Contrast checker → · Palette generator →