#37210B#37210B

#37210B is a dark, muted orange. Relative luminance 0.019; OKLCH L 27.1% C 0.048 H 63.2°. Best body text is #FFFFFF at 15.16:1 contrast (WCAG AA passes).

Color values

HEX	#37210B
RGB	rgb(55, 33, 11)
HSL	hsl(30, 67%, 13%)
HSV	hsv(30, 80%, 22%)
CMYK	cmyk(0%, 40%, 80%, 78.4%)
CIE-LAB	lab(15.08, 8.07, 17.81)
CIE-LCH	lch(15.08, 19.55, 65.61°)
OKLab	oklab(27.1% 0.0216 0.0428)
OKLCH	oklch(27.1% 0.048 63.2)
XYZ	xyz(2.1800, 1.9243, 0.5732)
Luminance	0.0192 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37210B #0B2137

analogous

#370B0B #37210B #37370B

triadic

#37210B #0B3721 #210B37

tetradic

#37210B #0B370B #0B2137 #370B37

square

#37210B #0B370B #0B2137 #370B37

split-complementary

#37210B #0B3737 #0B0B37

monochromatic

#1A0F05 #1A0F05 #37210B #6A4015 #9D5E1F

Accessibility & contrast

On white

15.16

#37210B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#37210B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37210B

15.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37210B	#FFFFFF	#000000	##FFFFFF
##37210B	1.00	15.16	1.38	15.16
#FFFFFF	15.16	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282309

Deuteranopia (green-blind)

#2D280B

Tritanopia (blue-blind)

#3D1C1C

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #37210b;
/* rgb */ color: rgb(55, 33, 11);
/* oklch */ color: oklch(27.1% 0.048 63.2);

Tailwind

colors: {
  custom: {
    50: '#705c4c',
    500: '#37210b',
    950: '#000000',
  },
}

SCSS

$custom: #37210b;
$custom-light: #705c4c;
$custom-dark: #000000;

JSON

{
  "hex": "#37210b",
  "rgb": {
    "r": 55,
    "g": 33,
    "b": 11
  },
  "hsl": {
    "h": 30,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.27095,
    "c": 0.04795,
    "h": 63.2
  },
  "luminance": 0.01924
}

Semantic roles & 50–950 ramp

primary

#37210B

secondary

#2A4F74

accent

#94EA3E

background

#F6F5F4

surface

#ECE9E7

border

#C7C5C3

text

#080401

muted

#7B7977

Preview Lab

Preview with #37210B

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

Preview Lab → · Contrast checker → · Palette generator →