#370B36#370B36

#370B36 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.8% C 0.091 H 328.9°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#370B36
RGB	rgb(55, 11, 54)
HSL	hsl(301, 67%, 13%)
HSV	hsv(301, 80%, 22%)
CMYK	cmyk(0%, 80%, 1.8%, 78.4%)
CIE-LAB	lab(11.40, 27.78, -17.06)
CIE-LCH	lch(11.40, 32.60, 328.44°)
OKLab	oklab(24.82% 0.078 -0.0471)
OKLCH	oklch(24.82% 0.091 328.9)
XYZ	xyz(2.3611, 1.3181, 3.6194)
Luminance	0.0132 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B36 #0B370C

analogous

#220B37 #370B36 #370B20

triadic

#370B36 #36370B #0B3637

tetradic

#370B36 #37220B #0B370C #0B2037

square

#370B36 #37220B #0B370C #0B2037

split-complementary

#370B36 #20370B #0B3722

monochromatic

#1A0519 #1A0519 #370B36 #6A1568 #9D1F9A

Accessibility & contrast

On white

16.62

#370B36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#370B36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B36

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B36	#FFFFFF	#000000	##FFFFFF
##370B36	1.00	16.62	1.26	16.62
#FFFFFF	16.62	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061B37

Deuteranopia (green-blind)

#172035

Tritanopia (blue-blind)

#39111F

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #370b36;
/* rgb */ color: rgb(55, 11, 54);
/* oklch */ color: oklch(24.8% 0.091 328.9);

Tailwind

colors: {
  custom: {
    50: '#704f6d',
    500: '#370b36',
    950: '#000000',
  },
}

SCSS

$custom: #370b36;
$custom-light: #704f6d;
$custom-dark: #000000;

JSON

{
  "hex": "#370b36",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 54
  },
  "hsl": {
    "h": 301.364,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.24815,
    "c": 0.09114,
    "h": 328.9
  },
  "luminance": 0.01318
}

Semantic roles & 50–950 ramp

primary

#370B36

secondary

#2A742C

accent

#EA423E

background

#F6F4F6

surface

#ECE7EB

border

#C7C3C6

text

#080207

muted

#7B787A

Preview Lab

Preview with #370B36

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

Preview Lab → · Contrast checker → · Palette generator →