#31350B#31350B

#31350B is a dark, moderate yellow. Relative luminance 0.032; OKLCH L 31.5% C 0.061 H 114.6°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#31350B
RGB	rgb(49, 53, 11)
HSL	hsl(66, 66%, 13%)
HSV	hsv(66, 79%, 21%)
CMYK	cmyk(7.5%, 0%, 79.2%, 79.2%)
CIE-LAB	lab(20.92, -8.47, 24.60)
CIE-LCH	lch(20.92, 26.01, 109.00°)
OKLab	oklab(31.53% -0.0255 0.0556)
OKLCH	oklch(31.53% 0.061 114.6)
XYZ	xyz(2.6002, 3.2234, 0.8017)
Luminance	0.0322 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31350B #0F0B35

analogous

#35240B #31350B #1C350B

triadic

#31350B #0B3135 #350B31

tetradic

#31350B #0B3524 #0F0B35 #350B1C

square

#31350B #0B3524 #0F0B35 #350B1C

split-complementary

#31350B #0B1C35 #240B35

monochromatic

#171905 #171905 #31350B #606816 #8F9A20

Accessibility & contrast

On white

12.77

#31350B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#31350B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31350B

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31350B	#FFFFFF	#000000	##FFFFFF
##31350B	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393206

Deuteranopia (green-blind)

#39330E

Tritanopia (blue-blind)

#35312D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #31350b;
/* rgb */ color: rgb(49, 53, 11);
/* oklch */ color: oklch(31.5% 0.061 114.6);

Tailwind

colors: {
  custom: {
    50: '#6b6c4d',
    500: '#31350b',
    950: '#000000',
  },
}

SCSS

$custom: #31350b;
$custom-light: #6b6c4d;
$custom-dark: #000000;

JSON

{
  "hex": "#31350b",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 11
  },
  "hsl": {
    "h": 65.714,
    "s": 65.625,
    "l": 12.549
  },
  "oklch": {
    "l": 0.31534,
    "c": 0.06118,
    "h": 114.6
  },
  "luminance": 0.03223
}

Semantic roles & 50–950 ramp

primary

#31350B

secondary

#312A72

accent

#3FE94F

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#070601

muted

#7A7A77

Preview Lab

Preview with #31350B

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

Preview Lab → · Contrast checker → · Palette generator →