#370B3E#370B3E

#370B3E is a dark, moderate purple. Relative luminance 0.014; OKLCH L 25.4% C 0.099 H 321.8°. Best body text is #FFFFFF at 16.41:1 contrast (WCAG AA passes).

Color values

HEX	#370B3E
RGB	rgb(55, 11, 62)
HSL	hsl(292, 70%, 14%)
HSV	hsv(292, 82%, 24%)
CMYK	cmyk(11.3%, 82.3%, 0%, 75.7%)
CIE-LAB	lab(11.95, 29.47, -21.92)
CIE-LCH	lch(11.95, 36.73, 323.36°)
OKLab	oklab(25.39% 0.0779 -0.0613)
OKLCH	oklch(25.39% 0.099 321.8)
XYZ	xyz(2.5646, 1.3995, 4.6915)
Luminance	0.0140 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B3E #123E0B

analogous

#1E0B3E #370B3E #3E0B2C

triadic

#370B3E #3E370B #0B3E37

tetradic

#370B3E #3E1E0B #123E0B #0B2C3E

square

#370B3E #3E1E0B #123E0B #0B2C3E

split-complementary

#370B3E #2C3E0B #0B3E1E

monochromatic

#17051A #17051A #370B3E #651472 #931DA6

Accessibility & contrast

On white

16.41

#370B3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#370B3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B3E

16.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B3E	#FFFFFF	#000000	##FFFFFF
##370B3E	1.00	16.41	1.28	16.41
#FFFFFF	16.41	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C3F

Deuteranopia (green-blind)

#12213D

Tritanopia (blue-blind)

#381423

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #370b3e;
/* rgb */ color: rgb(55, 11, 62);
/* oklch */ color: oklch(25.4% 0.099 321.8);

Tailwind

colors: {
  custom: {
    50: '#704f73',
    500: '#370b3e',
    950: '#000000',
  },
}

SCSS

$custom: #370b3e;
$custom-light: #704f73;
$custom-dark: #000000;

JSON

{
  "hex": "#370b3e",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 62
  },
  "hsl": {
    "h": 291.765,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.25389,
    "c": 0.0991,
    "h": 321.8
  },
  "luminance": 0.01399
}

Semantic roles & 50–950 ramp

primary

#370B3E

secondary

#357B2A

accent

#ED3B54

background

#F6F4F7

surface

#ECE7ED

border

#C7C3C8

text

#080208

muted

#7B787B

Preview Lab

Preview with #370B3E

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

Preview Lab → · Contrast checker → · Palette generator →