#370C54#370C54

#370C54 is a dark, vivid violet. Relative luminance 0.017; OKLCH L 27.3% C 0.121 H 306.9°. Best body text is #FFFFFF at 15.64:1 contrast (WCAG AA passes).

Color values

HEX	#370C54
RGB	rgb(55, 12, 84)
HSL	hsl(276, 75%, 19%)
HSV	hsv(276, 86%, 33%)
CMYK	cmyk(34.5%, 85.7%, 0%, 67.1%)
CIE-LAB	lab(13.92, 34.28, -34.04)
CIE-LCH	lch(13.92, 48.31, 315.20°)
OKLab	oklab(27.35% 0.0727 -0.0968)
OKLCH	oklch(27.35% 0.121 306.9)
XYZ	xyz(3.3069, 1.7153, 8.5427)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370C54 #29540C

analogous

#130C54 #370C54 #540C4D

triadic

#370C54 #54370C #0C5437

tetradic

#370C54 #54130C #29540C #0C4D54

square

#370C54 #54130C #29540C #0C4D54

split-complementary

#370C54 #4D540C #0C5413

monochromatic

#12041B #14041E #370C54 #5A148A #7D1BBF

Accessibility & contrast

On white

15.64

#370C54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#370C54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370C54

15.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370C54	#FFFFFF	#000000	##FFFFFF
##370C54	1.00	15.64	1.34	15.64
#FFFFFF	15.64	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002256

Deuteranopia (green-blind)

#002453

Tritanopia (blue-blind)

#321F30

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #370c54;
/* rgb */ color: rgb(55, 12, 84);
/* oklch */ color: oklch(27.3% 0.121 306.9);

Tailwind

colors: {
  custom: {
    50: '#725185',
    500: '#370c54',
    950: '#000000',
  },
}

SCSS

$custom: #370c54;
$custom-light: #725185;
$custom-dark: #000000;

JSON

{
  "hex": "#370c54",
  "rgb": {
    "r": 55,
    "g": 12,
    "b": 84
  },
  "hsl": {
    "h": 275.833,
    "s": 75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.27347,
    "c": 0.12111,
    "h": 306.9
  },
  "luminance": 0.01715
}

Semantic roles & 50–950 ramp

primary

#370C54

secondary

#548F2D

accent

#F23682

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #370C54

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

Preview Lab → · Contrast checker → · Palette generator →