#37330B#37330B

#37330B is a dark, muted yellow. Relative luminance 0.032; OKLCH L 31.6% C 0.057 H 103.6°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#37330B
RGB	rgb(55, 51, 11)
HSL	hsl(55, 67%, 13%)
HSV	hsv(55, 80%, 22%)
CMYK	cmyk(0%, 7.3%, 80%, 78.4%)
CIE-LAB	lab(20.84, -4.02, 24.69)
CIE-LCH	lch(20.84, 25.01, 99.25°)
OKLab	oklab(31.62% -0.0134 0.0557)
OKLCH	oklch(31.62% 0.057 103.6)
XYZ	xyz(2.8199, 3.2042, 0.7865)
Luminance	0.0320 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37330B #0B0F37

analogous

#371D0B #37330B #25370B

triadic

#37330B #0B3733 #330B37

tetradic

#37330B #0B371D #0B0F37 #370B25

square

#37330B #0B371D #0B0F37 #370B25

split-complementary

#37330B #0B2537 #1D0B37

monochromatic

#1A1805 #1A1805 #37330B #6A6215 #9D921F

Accessibility & contrast

On white

12.80

#37330B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#37330B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37330B

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37330B	#FFFFFF	#000000	##FFFFFF
##37330B	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383106

Deuteranopia (green-blind)

#3A330E

Tritanopia (blue-blind)

#3C2F2B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #37330b;
/* rgb */ color: rgb(55, 51, 11);
/* oklch */ color: oklch(31.6% 0.057 103.6);

Tailwind

colors: {
  custom: {
    50: '#706a4d',
    500: '#37330b',
    950: '#000000',
  },
}

SCSS

$custom: #37330b;
$custom-light: #706a4d;
$custom-dark: #000000;

JSON

{
  "hex": "#37330b",
  "rgb": {
    "r": 55,
    "g": 51,
    "b": 11
  },
  "hsl": {
    "h": 54.545,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.31624,
    "c": 0.05725,
    "h": 103.6
  },
  "luminance": 0.03204
}

Semantic roles & 50–950 ramp

primary

#37330B

secondary

#2A3174

accent

#4EEA3E

background

#F6F6F4

surface

#ECEBE7

border

#C7C6C3

text

#080601

muted

#7B7A77

Preview Lab

Preview with #37330B

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

Preview Lab → · Contrast checker → · Palette generator →