#370F3B#370F3B

#370F3B is a dark, moderate purple. Relative luminance 0.015; OKLCH L 25.7% C 0.090 H 324.0°. Best body text is #FFFFFF at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#370F3B
RGB	rgb(55, 15, 59)
HSL	hsl(295, 59%, 15%)
HSV	hsv(295, 75%, 23%)
CMYK	cmyk(6.8%, 74.6%, 0%, 76.9%)
CIE-LAB	lab(12.41, 26.92, -19.05)
CIE-LCH	lch(12.41, 32.98, 324.72°)
OKLab	oklab(25.65% 0.0728 -0.0529)
OKLCH	oklch(25.65% 0.09 324)
XYZ	xyz(2.5357, 1.4698, 4.2870)
Luminance	0.0147 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370F3B #133B0F

analogous

#210F3B #370F3B #3B0F29

triadic

#370F3B #3B370F #0F3B37

tetradic

#370F3B #3B210F #133B0F #0F293B

square

#370F3B #3B210F #133B0F #0F293B

split-complementary

#370F3B #293B0F #0F3B21

monochromatic

#170618 #170618 #370F3B #641B6C #92289D

Accessibility & contrast

On white

16.23

#370F3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#370F3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370F3B

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370F3B	#FFFFFF	#000000	##FFFFFF
##370F3B	1.00	16.23	1.29	16.23
#FFFFFF	16.23	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061D3C

Deuteranopia (green-blind)

#16223A

Tritanopia (blue-blind)

#381623

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #370f3b;
/* rgb */ color: rgb(55, 15, 59);
/* oklch */ color: oklch(25.7% 0.090 324.0);

Tailwind

colors: {
  custom: {
    50: '#705171',
    500: '#370f3b',
    950: '#000000',
  },
}

SCSS

$custom: #370f3b;
$custom-light: #705171;
$custom-dark: #000000;

JSON

{
  "hex": "#370f3b",
  "rgb": {
    "r": 55,
    "g": 15,
    "b": 59
  },
  "hsl": {
    "h": 294.545,
    "s": 59.459,
    "l": 14.51
  },
  "oklch": {
    "l": 0.25652,
    "c": 0.09002,
    "h": 324
  },
  "luminance": 0.0147
}

Semantic roles & 50–950 ramp

primary

#370F3B

secondary

#377530

accent

#E34553

background

#F6F4F6

surface

#ECE7EC

border

#C7C3C7

text

#070207

muted

#7A787A

Preview Lab

Preview with #370F3B

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

Preview Lab → · Contrast checker → · Palette generator →