#370C53#370C53

#370C53 is a dark, vivid violet. Relative luminance 0.017; OKLCH L 27.3% C 0.120 H 307.5°. Best body text is #FFFFFF at 15.67:1 contrast (WCAG AA passes).

Color values

HEX	#370C53
RGB	rgb(55, 12, 83)
HSL	hsl(276, 75%, 19%)
HSV	hsv(276, 86%, 33%)
CMYK	cmyk(33.7%, 85.5%, 0%, 67.5%)
CIE-LAB	lab(13.83, 34.03, -33.51)
CIE-LCH	lch(13.83, 47.76, 315.44°)
OKLab	oklab(27.26% 0.073 -0.0953)
OKLCH	oklch(27.26% 0.12 307.5)
XYZ	xyz(3.2680, 1.6997, 8.3379)
Luminance	0.0170 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370C53 #28530C

analogous

#130C53 #370C53 #530C4B

triadic

#370C53 #53370C #0C5337

tetradic

#370C53 #53130C #28530C #0C4B53

square

#370C53 #53130C #28530C #0C4B53

split-complementary

#370C53 #4B530C #0C5313

monochromatic

#12041B #14041E #370C53 #5A1488 #7E1BBE

Accessibility & contrast

On white

15.67

#370C53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#370C53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370C53

15.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370C53	#FFFFFF	#000000	##FFFFFF
##370C53	1.00	15.67	1.34	15.67
#FFFFFF	15.67	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002255

Deuteranopia (green-blind)

#002452

Tritanopia (blue-blind)

#321E30

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #370c53;
/* rgb */ color: rgb(55, 12, 83);
/* oklch */ color: oklch(27.3% 0.120 307.5);

Tailwind

colors: {
  custom: {
    50: '#725184',
    500: '#370c53',
    950: '#000000',
  },
}

SCSS

$custom: #370c53;
$custom-light: #725184;
$custom-dark: #000000;

JSON

{
  "hex": "#370c53",
  "rgb": {
    "r": 55,
    "g": 12,
    "b": 83
  },
  "hsl": {
    "h": 276.338,
    "s": 74.737,
    "l": 18.627
  },
  "oklch": {
    "l": 0.27256,
    "c": 0.12004,
    "h": 307.5
  },
  "luminance": 0.017
}

Semantic roles & 50–950 ramp

primary

#370C53

secondary

#538E2D

accent

#F13680

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #370C53

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

Preview Lab → · Contrast checker → · Palette generator →