#370D3F#370D3F

#370D3F is a dark, moderate purple. Relative luminance 0.015; OKLCH L 25.7% C 0.097 H 320.8°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#370D3F
RGB	rgb(55, 13, 63)
HSL	hsl(290, 66%, 15%)
HSV	hsv(290, 79%, 25%)
CMYK	cmyk(12.7%, 79.4%, 0%, 75.3%)
CIE-LAB	lab(12.35, 28.79, -22.00)
CIE-LCH	lch(12.35, 36.24, 322.62°)
OKLab	oklab(25.69% 0.0754 -0.0615)
OKLCH	oklch(25.69% 0.097 320.8)
XYZ	xyz(2.6166, 1.4591, 4.8455)
Luminance	0.0146 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370D3F #153F0D

analogous

#1E0D3F #370D3F #3F0D2E

triadic

#370D3F #3F370D #0D3F37

tetradic

#370D3F #3F1E0D #153F0D #0D2E3F

square

#370D3F #3F1E0D #153F0D #0D2E3F

split-complementary

#370D3F #2E3F0D #0D3F1E

monochromatic

#160519 #160519 #370D3F #631772 #9022A4

Accessibility & contrast

On white

16.26

#370D3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#370D3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370D3F

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370D3F	#FFFFFF	#000000	##FFFFFF
##370D3F	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D40

Deuteranopia (green-blind)

#12223E

Tritanopia (blue-blind)

#371625

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #370d3f;
/* rgb */ color: rgb(55, 13, 63);
/* oklch */ color: oklch(25.7% 0.097 320.8);

Tailwind

colors: {
  custom: {
    50: '#705074',
    500: '#370d3f',
    950: '#000000',
  },
}

SCSS

$custom: #370d3f;
$custom-light: #705074;
$custom-dark: #000000;

JSON

{
  "hex": "#370d3f",
  "rgb": {
    "r": 55,
    "g": 13,
    "b": 63
  },
  "hsl": {
    "h": 290.4,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25692,
    "c": 0.09732,
    "h": 320.8
  },
  "luminance": 0.01459
}

Semantic roles & 50–950 ramp

primary

#370D3F

secondary

#3A7B2D

accent

#E93F5A

background

#F6F4F7

surface

#ECE7ED

border

#C7C3C8

text

#080208

muted

#7B787B

Preview Lab

Preview with #370D3F

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

Preview Lab → · Contrast checker → · Palette generator →