#370B35#370B35

#370B35 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.7% C 0.090 H 329.8°. Best body text is #FFFFFF at 16.64:1 contrast (WCAG AA passes).

Color values

HEX	#370B35
RGB	rgb(55, 11, 53)
HSL	hsl(303, 67%, 13%)
HSV	hsv(303, 80%, 22%)
CMYK	cmyk(0%, 80%, 3.6%, 78.4%)
CIE-LAB	lab(11.34, 27.58, -16.44)
CIE-LCH	lch(11.34, 32.11, 329.20°)
OKLab	oklab(24.75% 0.078 -0.0453)
OKLCH	oklch(24.75% 0.09 329.8)
XYZ	xyz(2.3378, 1.3088, 3.4970)
Luminance	0.0131 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B35 #0B370D

analogous

#230B37 #370B35 #370B1F

triadic

#370B35 #35370B #0B3537

tetradic

#370B35 #37230B #0B370D #0B1F37

square

#370B35 #37230B #0B370D #0B1F37

split-complementary

#370B35 #1F370B #0B3723

monochromatic

#1A0519 #1A0519 #370B35 #6A1566 #9D1F97

Accessibility & contrast

On white

16.64

#370B35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#370B35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B35

16.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B35	#FFFFFF	#000000	##FFFFFF
##370B35	1.00	16.64	1.26	16.64
#FFFFFF	16.64	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071A36

Deuteranopia (green-blind)

#172034

Tritanopia (blue-blind)

#39101E

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #370b35;
/* rgb */ color: rgb(55, 11, 53);
/* oklch */ color: oklch(24.7% 0.090 329.8);

Tailwind

colors: {
  custom: {
    50: '#704f6c',
    500: '#370b35',
    950: '#000000',
  },
}

SCSS

$custom: #370b35;
$custom-light: #704f6c;
$custom-dark: #000000;

JSON

{
  "hex": "#370b35",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 53
  },
  "hsl": {
    "h": 302.727,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.24747,
    "c": 0.09018,
    "h": 329.8
  },
  "luminance": 0.01309
}

Semantic roles & 50–950 ramp

primary

#370B35

secondary

#2A742D

accent

#EA463E

background

#F6F4F6

surface

#ECE7EB

border

#C7C3C6

text

#080207

muted

#7B787A

Preview Lab

Preview with #370B35

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

Preview Lab → · Contrast checker → · Palette generator →