#37300B#37300B

#37300B is a dark, muted yellow. Relative luminance 0.029; OKLCH L 30.8% C 0.054 H 98.4°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#37300B
RGB	rgb(55, 48, 11)
HSL	hsl(50, 67%, 13%)
HSV	hsv(50, 80%, 22%)
CMYK	cmyk(0%, 12.7%, 80%, 78.4%)
CIE-LAB	lab(19.84, -2.07, 23.57)
CIE-LCH	lch(19.84, 23.66, 95.02°)
OKLab	oklab(30.83% -0.0079 0.0535)
OKLCH	oklch(30.83% 0.054 98.4)
XYZ	xyz(2.6930, 2.9504, 0.7442)
Luminance	0.0295 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37300B #0B1237

analogous

#371A0B #37300B #28370B

triadic

#37300B #0B3730 #300B37

tetradic

#37300B #0B371A #0B1237 #370B28

square

#37300B #0B371A #0B1237 #370B28

split-complementary

#37300B #0B2837 #1A0B37

monochromatic

#1A1605 #1A1605 #37300B #6A5D15 #9D891F

Accessibility & contrast

On white

13.21

#37300B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#37300B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37300B

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37300B	#FFFFFF	#000000	##FFFFFF
##37300B	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#362F06

Deuteranopia (green-blind)

#37310D

Tritanopia (blue-blind)

#3C2C28

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #37300b;
/* rgb */ color: rgb(55, 48, 11);
/* oklch */ color: oklch(30.8% 0.054 98.4);

Tailwind

colors: {
  custom: {
    50: '#70684c',
    500: '#37300b',
    950: '#000000',
  },
}

SCSS

$custom: #37300b;
$custom-light: #70684c;
$custom-dark: #000000;

JSON

{
  "hex": "#37300b",
  "rgb": {
    "r": 55,
    "g": 48,
    "b": 11
  },
  "hsl": {
    "h": 50.455,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.30831,
    "c": 0.05408,
    "h": 98.4
  },
  "luminance": 0.0295
}

Semantic roles & 50–950 ramp

primary

#37300B

secondary

#2A3674

accent

#59EA3E

background

#F6F6F4

surface

#ECEBE7

border

#C7C6C3

text

#080601

muted

#7B7A77

Preview Lab

Preview with #37300B

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

Preview Lab → · Contrast checker → · Palette generator →