#37370A#37370A

#37370A is a dark, moderate yellow. Relative luminance 0.036; OKLCH L 32.7% C 0.063 H 109.4°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#37370A
RGB	rgb(55, 55, 10)
HSL	hsl(60, 69%, 13%)
HSV	hsv(60, 82%, 22%)
CMYK	cmyk(0%, 0%, 81.8%, 78.4%)
CIE-LAB	lab(22.18, -6.63, 26.55)
CIE-LCH	lch(22.18, 27.37, 104.02°)
OKLab	oklab(32.69% -0.0209 0.0593)
OKLCH	oklch(32.69% 0.063 109.4)
XYZ	xyz(2.9966, 3.5666, 0.8177)
Luminance	0.0357 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37370A #0A0A37

analogous

#37200A #37370A #20370A

triadic

#37370A #0A3737 #370A37

tetradic

#37370A #0A3720 #0A0A37 #370A20

square

#37370A #0A3720 #0A0A37 #370A20

split-complementary

#37370A #0A2037 #200A37

monochromatic

#1A1A05 #1A1A05 #37370A #6B6B13 #9F9F1D

Accessibility & contrast

On white

12.26

#37370A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#37370A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37370A

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37370A	#FFFFFF	#000000	##FFFFFF
##37370A	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3404

Deuteranopia (green-blind)

#3D360D

Tritanopia (blue-blind)

#3C332E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #37370a;
/* rgb */ color: rgb(55, 55, 10);
/* oklch */ color: oklch(32.7% 0.063 109.4);

Tailwind

colors: {
  custom: {
    50: '#706d4d',
    500: '#37370a',
    950: '#000000',
  },
}

SCSS

$custom: #37370a;
$custom-light: #706d4d;
$custom-dark: #000000;

JSON

{
  "hex": "#37370a",
  "rgb": {
    "r": 55,
    "g": 55,
    "b": 10
  },
  "hsl": {
    "h": 60,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.32689,
    "c": 0.06282,
    "h": 109.4
  },
  "luminance": 0.03567
}

Semantic roles & 50–950 ramp

primary

#37370A

secondary

#282874

accent

#3CEC3C

background

#F6F6F4

surface

#ECEBE7

border

#C7C6C3

text

#080701

muted

#7B7A77

Preview Lab

Preview with #37370A

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

Preview Lab → · Contrast checker → · Palette generator →