#37170B#37170B

#37170B is a very dark, muted orange. Relative luminance 0.014; OKLCH L 24.9% C 0.055 H 40.7°. Best body text is #FFFFFF at 16.28:1 contrast (WCAG AA passes).

Color values

HEX	#37170B
RGB	rgb(55, 23, 11)
HSL	hsl(16, 67%, 13%)
HSV	hsv(16, 80%, 22%)
CMYK	cmyk(0%, 58.2%, 80%, 78.4%)
CIE-LAB	lab(12.28, 14.79, 14.11)
CIE-LCH	lch(12.28, 20.45, 43.65°)
OKLab	oklab(24.94% 0.0419 0.036)
OKLCH	oklch(24.94% 0.055 40.7)
XYZ	xyz(1.9425, 1.4494, 0.4940)
Luminance	0.0145 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37170B #0B2B37

analogous

#370B15 #37170B #372D0B

triadic

#37170B #0B3717 #170B37

tetradic

#37170B #15370B #0B2B37 #2D0B37

square

#37170B #15370B #0B2B37 #2D0B37

split-complementary

#37170B #0B372D #0B1537

monochromatic

#1A0B05 #1A0B05 #37170B #6A2C15 #9D421F

Accessibility & contrast

On white

16.28

#37170B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#37170B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37170B

16.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37170B	#FFFFFF	#000000	##FFFFFF
##37170B	1.00	16.28	1.29	16.28
#FFFFFF	16.28	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201C0A

Deuteranopia (green-blind)

#27230A

Tritanopia (blue-blind)

#3D1114

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #37170b;
/* rgb */ color: rgb(55, 23, 11);
/* oklch */ color: oklch(24.9% 0.055 40.7);

Tailwind

colors: {
  custom: {
    50: '#71544b',
    500: '#37170b',
    950: '#000000',
  },
}

SCSS

$custom: #37170b;
$custom-light: #71544b;
$custom-dark: #000000;

JSON

{
  "hex": "#37170b",
  "rgb": {
    "r": 55,
    "g": 23,
    "b": 11
  },
  "hsl": {
    "h": 16.364,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.24938,
    "c": 0.05525,
    "h": 40.7
  },
  "luminance": 0.01449
}

Semantic roles & 50–950 ramp

primary

#37170B

secondary

#2A6074

accent

#BBEA3E

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080301

muted

#7B7877

Preview Lab

Preview with #37170B

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

Preview Lab → · Contrast checker → · Palette generator →