#370A3E#370A3E

#370A3E is a dark, moderate purple. Relative luminance 0.014; OKLCH L 25.3% C 0.100 H 321.9°. Best body text is #FFFFFF at 16.47:1 contrast (WCAG AA passes).

Color values

HEX	#370A3E
RGB	rgb(55, 10, 62)
HSL	hsl(292, 72%, 14%)
HSV	hsv(292, 84%, 24%)
CMYK	cmyk(11.3%, 83.9%, 0%, 75.7%)
CIE-LAB	lab(11.81, 29.90, -22.16)
CIE-LCH	lch(11.81, 37.21, 323.46°)
OKLab	oklab(25.28% 0.079 -0.062)
OKLCH	oklch(25.28% 0.1 321.9)
XYZ	xyz(2.5535, 1.3773, 4.6878)
Luminance	0.0138 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370A3E #113E0A

analogous

#1D0A3E #370A3E #3E0A2B

triadic

#370A3E #3E370A #0A3E37

tetradic

#370A3E #3E1D0A #113E0A #0A2B3E

square

#370A3E #3E1D0A #113E0A #0A2B3E

split-complementary

#370A3E #2B3E0A #0A3E1D

monochromatic

#17041A #17041A #370A3E #661373 #951BA7

Accessibility & contrast

On white

16.47

#370A3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#370A3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370A3E

16.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370A3E	#FFFFFF	#000000	##FFFFFF
##370A3E	1.00	16.47	1.28	16.47
#FFFFFF	16.47	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C3F

Deuteranopia (green-blind)

#11213D

Tritanopia (blue-blind)

#381423

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #370a3e;
/* rgb */ color: rgb(55, 10, 62);
/* oklch */ color: oklch(25.3% 0.100 321.9);

Tailwind

colors: {
  custom: {
    50: '#704f73',
    500: '#370a3e',
    950: '#000000',
  },
}

SCSS

$custom: #370a3e;
$custom-light: #704f73;
$custom-dark: #000000;

JSON

{
  "hex": "#370a3e",
  "rgb": {
    "r": 55,
    "g": 10,
    "b": 62
  },
  "hsl": {
    "h": 291.923,
    "s": 72.222,
    "l": 14.118
  },
  "oklch": {
    "l": 0.25283,
    "c": 0.10042,
    "h": 321.9
  },
  "luminance": 0.01377
}

Semantic roles & 50–950 ramp

primary

#370A3E

secondary

#347B28

accent

#EF3951

background

#F6F4F7

surface

#ECE7ED

border

#C7C3C8

text

#080208

muted

#7B787B

Preview Lab

Preview with #370A3E

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

Preview Lab → · Contrast checker → · Palette generator →