#31310D#31310D

#31310D is a dark, muted yellow. Relative luminance 0.029; OKLCH L 30.4% C 0.054 H 109.2°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#31310D
RGB	rgb(49, 49, 13)
HSL	hsl(60, 58%, 12%)
HSV	hsv(60, 73%, 19%)
CMYK	cmyk(0%, 0%, 73.5%, 80.8%)
CIE-LAB	lab(19.55, -5.79, 22.15)
CIE-LCH	lch(19.55, 22.90, 104.64°)
OKLab	oklab(30.45% -0.0177 0.0508)
OKLCH	oklch(30.45% 0.054 109.2)
XYZ	xyz(2.4377, 2.8787, 0.8079)
Luminance	0.0288 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31310D #0D0D31

analogous

#311F0D #31310D #1F310D

triadic

#31310D #0D3131 #310D31

tetradic

#31310D #0D311F #0D0D31 #310D1F

square

#31310D #0D311F #0D0D31 #310D1F

split-complementary

#31310D #0D1F31 #1F0D31

monochromatic

#181806 #181806 #31310D #61611A #929227

Accessibility & contrast

On white

13.33

#31310D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#31310D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31310D

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31310D	#FFFFFF	#000000	##FFFFFF
##31310D	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352F09

Deuteranopia (green-blind)

#36300F

Tritanopia (blue-blind)

#352D29

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #31310d;
/* rgb */ color: rgb(49, 49, 13);
/* oklch */ color: oklch(30.4% 0.054 109.2);

Tailwind

colors: {
  custom: {
    50: '#6a684d',
    500: '#31310d',
    950: '#000000',
  },
}

SCSS

$custom: #31310d;
$custom-light: #6a684d;
$custom-dark: #000000;

JSON

{
  "hex": "#31310d",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 13
  },
  "hsl": {
    "h": 60,
    "s": 58.065,
    "l": 12.157
  },
  "oklch": {
    "l": 0.30448,
    "c": 0.05381,
    "h": 109.2
  },
  "luminance": 0.02879
}

Semantic roles & 50–950 ramp

primary

#31310D

secondary

#2E2E6C

accent

#47E147

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#070601

muted

#7A7A77

Preview Lab

Preview with #31310D

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

Preview Lab → · Contrast checker → · Palette generator →