#370C4B#370C4B

#370C4B is a dark, moderate purple. Relative luminance 0.016; OKLCH L 26.5% C 0.111 H 312.3°. Best body text is #FFFFFF at 15.95:1 contrast (WCAG AA passes).

Color values

HEX	#370C4B
RGB	rgb(55, 12, 75)
HSL	hsl(281, 72%, 17%)
HSV	hsv(281, 84%, 29%)
CMYK	cmyk(26.7%, 84%, 0%, 70.6%)
CIE-LAB	lab(13.13, 32.05, -29.14)
CIE-LCH	lch(13.13, 43.32, 317.72°)
OKLab	oklab(26.55% 0.0749 -0.0825)
OKLCH	oklch(26.55% 0.111 312.3)
XYZ	xyz(2.9768, 1.5833, 6.8040)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370C4B #204B0C

analogous

#170C4B #370C4B #4B0C40

triadic

#370C4B #4B370C #0C4B37

tetradic

#370C4B #4B170C #204B0C #0C404B

square

#370C4B #4B170C #204B0C #0C404B

split-complementary

#370C4B #404B0C #0C4B17

monochromatic

#13041A #13041A #370C4B #5E1480 #841DB5

Accessibility & contrast

On white

15.95

#370C4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#370C4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370C4B

15.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370C4B	#FFFFFF	#000000	##FFFFFF
##370C4B	1.00	15.95	1.32	15.95
#FFFFFF	15.95	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204D

Deuteranopia (green-blind)

#04234A

Tritanopia (blue-blind)

#351B2B

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #370c4b;
/* rgb */ color: rgb(55, 12, 75);
/* oklch */ color: oklch(26.5% 0.111 312.3);

Tailwind

colors: {
  custom: {
    50: '#71507e',
    500: '#370c4b',
    950: '#000000',
  },
}

SCSS

$custom: #370c4b;
$custom-light: #71507e;
$custom-dark: #000000;

JSON

{
  "hex": "#370c4b",
  "rgb": {
    "r": 55,
    "g": 12,
    "b": 75
  },
  "hsl": {
    "h": 280.952,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.26547,
    "c": 0.11143,
    "h": 312.3
  },
  "luminance": 0.01583
}

Semantic roles & 50–950 ramp

primary

#370C4B

secondary

#49872C

accent

#EF3973

background

#F7F4F7

surface

#EDE7EE

border

#C8C3C9

text

#08020A

muted

#7B787C

Preview Lab

Preview with #370C4B

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

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