#370B4C#370B4C

#370B4C is a dark, moderate purple. Relative luminance 0.016; OKLCH L 26.5% C 0.114 H 311.8°. Best body text is #FFFFFF at 15.97:1 contrast (WCAG AA passes).

Color values

HEX	#370B4C
RGB	rgb(55, 11, 76)
HSL	hsl(281, 75%, 17%)
HSV	hsv(281, 86%, 30%)
CMYK	cmyk(27.6%, 85.5%, 0%, 70.2%)
CIE-LAB	lab(13.07, 32.71, -29.93)
CIE-LCH	lch(13.07, 44.34, 317.54°)
OKLab	oklab(26.53% 0.0757 -0.0848)
OKLCH	oklch(26.53% 0.114 311.8)
XYZ	xyz(2.9995, 1.5735, 6.9818)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B4C #204C0B

analogous

#160B4C #370B4C #4C0B41

triadic

#370B4C #4C370B #0B4C37

tetradic

#370B4C #4C160B #204C0B #0B414C

square

#370B4C #4C160B #204C0B #0B414C

split-complementary

#370B4C #414C0B #0B4C16

monochromatic

#13041B #13041B #370B4C #5E1381 #841AB7

Accessibility & contrast

On white

15.97

#370B4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#370B4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B4C

15.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B4C	#FFFFFF	#000000	##FFFFFF
##370B4C	1.00	15.97	1.31	15.97
#FFFFFF	15.97	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204E

Deuteranopia (green-blind)

#01224B

Tritanopia (blue-blind)

#341B2B

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #370b4c;
/* rgb */ color: rgb(55, 11, 76);
/* oklch */ color: oklch(26.5% 0.114 311.8);

Tailwind

colors: {
  custom: {
    50: '#71507e',
    500: '#370b4c',
    950: '#000000',
  },
}

SCSS

$custom: #370b4c;
$custom-light: #71507e;
$custom-dark: #000000;

JSON

{
  "hex": "#370b4c",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 76
  },
  "hsl": {
    "h": 280.615,
    "s": 74.713,
    "l": 17.059
  },
  "oklch": {
    "l": 0.26531,
    "c": 0.11368,
    "h": 311.8
  },
  "luminance": 0.01573
}

Semantic roles & 50–950 ramp

primary

#370B4C

secondary

#49882B

accent

#F13673

background

#F7F4F7

surface

#EDE7EE

border

#C8C3C9

text

#08020A

muted

#7B787C

Preview Lab

Preview with #370B4C

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

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