#370F4B#370F4B

#370F4B is a dark, moderate purple. Relative luminance 0.017; OKLCH L 26.9% C 0.108 H 311.8°. Best body text is #FFFFFF at 15.76:1 contrast (WCAG AA passes).

Color values

HEX	#370F4B
RGB	rgb(55, 15, 75)
HSL	hsl(280, 67%, 18%)
HSV	hsv(280, 80%, 29%)
CMYK	cmyk(26.7%, 80%, 0%, 70.6%)
CIE-LAB	lab(13.60, 30.70, -28.38)
CIE-LCH	lch(13.60, 41.80, 317.25°)
OKLab	oklab(26.88% 0.0716 -0.0802)
OKLCH	oklch(26.88% 0.108 311.8)
XYZ	xyz(3.0161, 1.6620, 6.8172)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370F4B #234B0F

analogous

#190F4B #370F4B #4B0F41

triadic

#370F4B #4B370F #0F4B37

tetradic

#370F4B #4B190F #234B0F #0F414B

square

#370F4B #4B190F #234B0F #0F414B

split-complementary

#370F4B #414B0F #0F4B19

monochromatic

#13051A #13051A #370F4B #5C197E #8223B1

Accessibility & contrast

On white

15.76

#370F4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#370F4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370F4B

15.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370F4B	#FFFFFF	#000000	##FFFFFF
##370F4B	1.00	15.76	1.33	15.76
#FFFFFF	15.76	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00214D

Deuteranopia (green-blind)

#07244A

Tritanopia (blue-blind)

#351C2C

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #370f4b;
/* rgb */ color: rgb(55, 15, 75);
/* oklch */ color: oklch(26.9% 0.108 311.8);

Tailwind

colors: {
  custom: {
    50: '#71527e',
    500: '#370f4b',
    950: '#000000',
  },
}

SCSS

$custom: #370f4b;
$custom-light: #71527e;
$custom-dark: #000000;

JSON

{
  "hex": "#370f4b",
  "rgb": {
    "r": 55,
    "g": 15,
    "b": 75
  },
  "hsl": {
    "h": 280,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.26883,
    "c": 0.10757,
    "h": 311.8
  },
  "luminance": 0.01662
}

Semantic roles & 50–950 ramp

primary

#370F4B

secondary

#4D8530

accent

#EA3E77

background

#F7F4F7

surface

#EDE7EE

border

#C8C3C9

text

#08020A

muted

#7B787C

Preview Lab

Preview with #370F4B

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

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