#37310D#37310D

#37310D is a dark, muted yellow. Relative luminance 0.030; OKLCH L 31.1% C 0.053 H 99.8°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#37310D
RGB	rgb(55, 49, 13)
HSL	hsl(51, 62%, 13%)
HSV	hsv(51, 76%, 22%)
CMYK	cmyk(0%, 10.9%, 76.4%, 78.4%)
CIE-LAB	lab(20.20, -2.58, 23.06)
CIE-LCH	lch(20.20, 23.20, 96.39°)
OKLab	oklab(31.12% -0.0091 0.0525)
OKLCH	oklch(31.12% 0.053 99.8)
XYZ	xyz(2.7466, 3.0380, 0.8224)
Luminance	0.0304 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37310D #0D1337

analogous

#371C0D #37310D #28370D

triadic

#37310D #0D3731 #310D37

tetradic

#37310D #0D371C #0D1337 #370D28

square

#37310D #0D371C #0D1337 #370D28

split-complementary

#37310D #0D2837 #1C0D37

monochromatic

#191606 #191606 #37310D #685D19 #9A8924

Accessibility & contrast

On white

13.06

#37310D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#37310D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37310D

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37310D	#FFFFFF	#000000	##FFFFFF
##37310D	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#362F09

Deuteranopia (green-blind)

#38320F

Tritanopia (blue-blind)

#3C2D29

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #37310d;
/* rgb */ color: rgb(55, 49, 13);
/* oklch */ color: oklch(31.1% 0.053 99.8);

Tailwind

colors: {
  custom: {
    50: '#70684e',
    500: '#37310d',
    950: '#000000',
  },
}

SCSS

$custom: #37310d;
$custom-light: #70684e;
$custom-dark: #000000;

JSON

{
  "hex": "#37310d",
  "rgb": {
    "r": 55,
    "g": 49,
    "b": 13
  },
  "hsl": {
    "h": 51.429,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.31115,
    "c": 0.05324,
    "h": 99.8
  },
  "luminance": 0.03038
}

Semantic roles & 50–950 ramp

primary

#37310D

secondary

#2D3772

accent

#5AE543

background

#F6F6F4

surface

#ECEBE7

border

#C7C6C3

text

#070601

muted

#7A7A77

Preview Lab

Preview with #37310D

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

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