#31330B#31330B

#31330B is a dark, muted yellow. Relative luminance 0.030; OKLCH L 31.0% C 0.058 H 112.1°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#31330B
RGB	rgb(49, 51, 11)
HSL	hsl(63, 65%, 12%)
HSV	hsv(63, 78%, 20%)
CMYK	cmyk(3.9%, 0%, 78.4%, 80%)
CIE-LAB	lab(20.22, -7.22, 23.82)
CIE-LCH	lch(20.22, 24.89, 106.85°)
OKLab	oklab(30.98% -0.022 0.0541)
OKLCH	oklch(30.98% 0.058 112.1)
XYZ	xyz(2.5109, 3.0448, 0.7720)
Luminance	0.0305 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31330B #0D0B33

analogous

#33210B #31330B #1D330B

triadic

#31330B #0B3133 #330B31

tetradic

#31330B #0B3321 #0D0B33 #330B1D

square

#31330B #0B3321 #0D0B33 #330B1D

split-complementary

#31330B #0B1D33 #210B33

monochromatic

#181905 #181905 #31330B #616516 #929821

Accessibility & contrast

On white

13.05

#31330B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#31330B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31330B

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31330B	#FFFFFF	#000000	##FFFFFF
##31330B	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373006

Deuteranopia (green-blind)

#38310E

Tritanopia (blue-blind)

#352F2B

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #31330b;
/* rgb */ color: rgb(49, 51, 11);
/* oklch */ color: oklch(31.0% 0.058 112.1);

Tailwind

colors: {
  custom: {
    50: '#6b6a4d',
    500: '#31330b',
    950: '#000000',
  },
}

SCSS

$custom: #31330b;
$custom-light: #6b6a4d;
$custom-dark: #000000;

JSON

{
  "hex": "#31330b",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 11
  },
  "hsl": {
    "h": 63,
    "s": 64.516,
    "l": 12.157
  },
  "oklch": {
    "l": 0.30978,
    "c": 0.05842,
    "h": 112.1
  },
  "luminance": 0.03045
}

Semantic roles & 50–950 ramp

primary

#31330B

secondary

#2E2A70

accent

#40E849

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#070601

muted

#7A7A77

Preview Lab

Preview with #31330B

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

Preview Lab → · Contrast checker → · Palette generator →