#370B52#370B52

#370B52 is a dark, vivid violet. Relative luminance 0.017; OKLCH L 27.1% C 0.120 H 308.2°. Best body text is #FFFFFF at 15.76:1 contrast (WCAG AA passes).

Color values

HEX	#370B52
RGB	rgb(55, 11, 82)
HSL	hsl(277, 76%, 18%)
HSV	hsv(277, 87%, 32%)
CMYK	cmyk(32.9%, 86.6%, 0%, 67.8%)
CIE-LAB	lab(13.60, 34.18, -33.20)
CIE-LCH	lch(13.60, 47.65, 315.84°)
OKLab	oklab(27.07% 0.0742 -0.0944)
OKLCH	oklch(27.07% 0.12 308.2)
XYZ	xyz(3.2179, 1.6608, 8.1321)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 5.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B52 #26520B

analogous

#130B52 #370B52 #520B49

triadic

#370B52 #52370B #0B5237

tetradic

#370B52 #52130B #26520B #0B4952

square

#370B52 #52130B #26520B #0B4952

split-complementary

#370B52 #49520B #0B5213

monochromatic

#12041B #13041C #370B52 #5B1288 #7F19BE

Accessibility & contrast

On white

15.76

#370B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#370B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B52

15.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B52	#FFFFFF	#000000	##FFFFFF
##370B52	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)

#002154

Deuteranopia (green-blind)

#002351

Tritanopia (blue-blind)

#331D2F

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #370b52;
/* rgb */ color: rgb(55, 11, 82);
/* oklch */ color: oklch(27.1% 0.120 308.2);

Tailwind

colors: {
  custom: {
    50: '#715083',
    500: '#370b52',
    950: '#000000',
  },
}

SCSS

$custom: #370b52;
$custom-light: #715083;
$custom-dark: #000000;

JSON

{
  "hex": "#370b52",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 82
  },
  "hsl": {
    "h": 277.183,
    "s": 76.344,
    "l": 18.235
  },
  "oklch": {
    "l": 0.27067,
    "c": 0.12005,
    "h": 308.2
  },
  "luminance": 0.01661
}

Semantic roles & 50–950 ramp

primary

#370B52

secondary

#518E2B

accent

#F3357D

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #370B52

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

Preview Lab → · Contrast checker → · Palette generator →