#37180A#37180A

#37180A is a dark, muted orange. Relative luminance 0.015; OKLCH L 25.1% C 0.055 H 43.8°. Best body text is #FFFFFF at 16.19:1 contrast (WCAG AA passes).

Color values

HEX	#37180A
RGB	rgb(55, 24, 10)
HSL	hsl(19, 69%, 13%)
HSV	hsv(19, 82%, 22%)
CMYK	cmyk(0%, 56.4%, 81.8%, 78.4%)
CIE-LAB	lab(12.53, 14.07, 14.86)
CIE-LCH	lch(12.53, 20.47, 46.56°)
OKLab	oklab(25.12% 0.0395 0.0378)
OKLCH	oklch(25.12% 0.055 43.8)
XYZ	xyz(1.9571, 1.4876, 0.4712)
Luminance	0.0149 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37180A #0A2937

analogous

#370A12 #37180A #372E0A

triadic

#37180A #0A3718 #180A37

tetradic

#37180A #12370A #0A2937 #2E0A37

square

#37180A #12370A #0A2937 #2E0A37

split-complementary

#37180A #0A372E #0A1237

monochromatic

#1A0B05 #1A0B05 #37180A #6B2F13 #9F451D

Accessibility & contrast

On white

16.19

#37180A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#37180A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37180A

16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37180A	#FFFFFF	#000000	##FFFFFF
##37180A	1.00	16.19	1.30	16.19
#FFFFFF	16.19	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201C09

Deuteranopia (green-blind)

#282309

Tritanopia (blue-blind)

#3D1215

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #37180a;
/* rgb */ color: rgb(55, 24, 10);
/* oklch */ color: oklch(25.1% 0.055 43.8);

Tailwind

colors: {
  custom: {
    50: '#71554b',
    500: '#37180a',
    950: '#000000',
  },
}

SCSS

$custom: #37180a;
$custom-light: #71554b;
$custom-dark: #000000;

JSON

{
  "hex": "#37180a",
  "rgb": {
    "r": 55,
    "g": 24,
    "b": 10
  },
  "hsl": {
    "h": 18.667,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.25121,
    "c": 0.05469,
    "h": 43.8
  },
  "luminance": 0.01487
}

Semantic roles & 50–950 ramp

primary

#37180A

secondary

#285D74

accent

#B5EC3C

background

#F7F5F4

surface

#EDE8E7

border

#C8C4C3

text

#080301

muted

#7B7877

Preview Lab

Preview with #37180A

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

Preview Lab → · Contrast checker → · Palette generator →