#370C55#370C55

#370C55 is a dark, vivid violet. Relative luminance 0.017; OKLCH L 27.4% C 0.122 H 306.4°. Best body text is #FFFFFF at 15.60:1 contrast (WCAG AA passes).

Color values

HEX	#370C55
RGB	rgb(55, 12, 85)
HSL	hsl(275, 75%, 19%)
HSV	hsv(275, 86%, 33%)
CMYK	cmyk(35.3%, 85.9%, 0%, 66.7%)
CIE-LAB	lab(14.01, 34.53, -34.57)
CIE-LCH	lch(14.01, 48.86, 314.97°)
OKLab	oklab(27.44% 0.0724 -0.0984)
OKLCH	oklch(27.44% 0.122 306.4)
XYZ	xyz(3.3464, 1.7311, 8.7504)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370C55 #2A550C

analogous

#120C55 #370C55 #550C4F

triadic

#370C55 #55370C #0C5537

tetradic

#370C55 #55120C #2A550C #0C4F55

square

#370C55 #55120C #2A550C #0C4F55

split-complementary

#370C55 #4F550C #0C5512

monochromatic

#11041B #14041F #370C55 #5A148B #7C1BC0

Accessibility & contrast

On white

15.60

#370C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#370C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370C55

15.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370C55	#FFFFFF	#000000	##FFFFFF
##370C55	1.00	15.60	1.35	15.60
#FFFFFF	15.60	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002257

Deuteranopia (green-blind)

#002454

Tritanopia (blue-blind)

#321F31

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #370c55;
/* rgb */ color: rgb(55, 12, 85);
/* oklch */ color: oklch(27.4% 0.122 306.4);

Tailwind

colors: {
  custom: {
    50: '#725185',
    500: '#370c55',
    950: '#000000',
  },
}

SCSS

$custom: #370c55;
$custom-light: #725185;
$custom-dark: #000000;

JSON

{
  "hex": "#370c55",
  "rgb": {
    "r": 55,
    "g": 12,
    "b": 85
  },
  "hsl": {
    "h": 275.342,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.2744,
    "c": 0.12219,
    "h": 306.4
  },
  "luminance": 0.01731
}

Semantic roles & 50–950 ramp

primary

#370C55

secondary

#56902D

accent

#F23683

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #370C55

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

Preview Lab → · Contrast checker → · Palette generator →