#371B0B#371B0B

#371B0B is a dark, muted orange. Relative luminance 0.016; OKLCH L 25.8% C 0.051 H 48.8°. Best body text is #FFFFFF at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#371B0B
RGB	rgb(55, 27, 11)
HSL	hsl(22, 67%, 13%)
HSV	hsv(22, 80%, 22%)
CMYK	cmyk(0%, 50.9%, 80%, 78.4%)
CIE-LAB	lab(13.35, 12.15, 15.55)
CIE-LCH	lch(13.35, 19.74, 51.99°)
OKLab	oklab(25.76% 0.0339 0.0386)
OKLCH	oklch(25.76% 0.051 48.8)
XYZ	xyz(2.0281, 1.6205, 0.5225)
Luminance	0.0162 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B0B #0B2737

analogous

#370B11 #371B0B #37310B

triadic

#371B0B #0B371B #1B0B37

tetradic

#371B0B #11370B #0B2737 #310B37

square

#371B0B #11370B #0B2737 #310B37

split-complementary

#371B0B #0B3731 #0B1137

monochromatic

#1A0D05 #1A0D05 #371B0B #6A3415 #9D4D1F

Accessibility & contrast

On white

15.86

#371B0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#371B0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B0B

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B0B	#FFFFFF	#000000	##FFFFFF
##371B0B	1.00	15.86	1.32	15.86
#FFFFFF	15.86	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231E09

Deuteranopia (green-blind)

#2A250B

Tritanopia (blue-blind)

#3D1517

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #371b0b;
/* rgb */ color: rgb(55, 27, 11);
/* oklch */ color: oklch(25.8% 0.051 48.8);

Tailwind

colors: {
  custom: {
    50: '#71574b',
    500: '#371b0b',
    950: '#000000',
  },
}

SCSS

$custom: #371b0b;
$custom-light: #71574b;
$custom-dark: #000000;

JSON

{
  "hex": "#371b0b",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 11
  },
  "hsl": {
    "h": 21.818,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.25758,
    "c": 0.05139,
    "h": 48.8
  },
  "luminance": 0.0162
}

Semantic roles & 50–950 ramp

primary

#371B0B

secondary

#2A5974

accent

#ABEA3E

background

#F7F5F4

surface

#EDE9E7

border

#C8C5C3

text

#080301

muted

#7B7877

Preview Lab

Preview with #371B0B

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

Preview Lab → · Contrast checker → · Palette generator →