#370A39#370A39

#370A39 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.9% C 0.095 H 326.1°. Best body text is #FFFFFF at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#370A39
RGB	rgb(55, 10, 57)
HSL	hsl(297, 70%, 13%)
HSV	hsv(297, 82%, 22%)
CMYK	cmyk(3.5%, 82.5%, 0%, 77.6%)
CIE-LAB	lab(11.45, 28.83, -19.15)
CIE-LCH	lch(11.45, 34.61, 326.41°)
OKLab	oklab(24.91% 0.0793 -0.0532)
OKLCH	oklch(24.91% 0.095 326.1)
XYZ	xyz(2.4226, 1.3249, 3.9982)
Luminance	0.0132 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370A39 #0C390A

analogous

#1F0A39 #370A39 #390A23

triadic

#370A39 #39370A #0A3937

tetradic

#370A39 #391F0A #0C390A #0A2339

square

#370A39 #391F0A #0C390A #0A2339

split-complementary

#370A39 #23390A #0A391F

monochromatic

#19051A #19051A #370A39 #69136D #9B1CA1

Accessibility & contrast

On white

16.60

#370A39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#370A39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370A39

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370A39	#FFFFFF	#000000	##FFFFFF
##370A39	1.00	16.60	1.26	16.60
#FFFFFF	16.60	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021B3A

Deuteranopia (green-blind)

#152038

Tritanopia (blue-blind)

#391220

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #370a39;
/* rgb */ color: rgb(55, 10, 57);
/* oklch */ color: oklch(24.9% 0.095 326.1);

Tailwind

colors: {
  custom: {
    50: '#704e6f',
    500: '#370a39',
    950: '#000000',
  },
}

SCSS

$custom: #370a39;
$custom-light: #704e6f;
$custom-dark: #000000;

JSON

{
  "hex": "#370a39",
  "rgb": {
    "r": 55,
    "g": 10,
    "b": 57
  },
  "hsl": {
    "h": 297.447,
    "s": 70.149,
    "l": 13.137
  },
  "oklch": {
    "l": 0.24913,
    "c": 0.09547,
    "h": 326.1
  },
  "luminance": 0.01325
}

Semantic roles & 50–950 ramp

primary

#370A39

secondary

#2C7628

accent

#ED3B42

background

#F6F4F6

surface

#ECE7EC

border

#C7C3C7

text

#080207

muted

#7B787A

Preview Lab

Preview with #370A39

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

Preview Lab → · Contrast checker → · Palette generator →