#330D57#330D57

#330D57 is a dark, vivid violet. Relative luminance 0.017; OKLCH L 27.2% C 0.122 H 301.7°. Best body text is #FFFFFF at 15.72:1 contrast (WCAG AA passes).

Color values

HEX	#330D57
RGB	rgb(51, 13, 87)
HSL	hsl(271, 74%, 20%)
HSV	hsv(271, 85%, 34%)
CMYK	cmyk(41.4%, 85.1%, 0%, 65.9%)
CIE-LAB	lab(13.71, 33.88, -36.44)
CIE-LCH	lch(13.71, 49.76, 312.92°)
OKLab	oklab(27.16% 0.0644 -0.1041)
OKLCH	oklch(27.16% 0.122 301.7)
XYZ	xyz(3.2290, 1.6798, 9.1691)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.76

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330D57 #31570D

analogous

#0E0D57 #330D57 #570D56

triadic

#330D57 #57330D #0D5733

tetradic

#330D57 #570E0D #31570D #0D5657

square

#330D57 #570E0D #31570D #0D5657

split-complementary

#330D57 #56570D #0D570E

monochromatic

#10041B #140522 #330D57 #52158C #711DC1

Accessibility & contrast

On white

15.72

#330D57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#330D57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330D57

15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330D57	#FFFFFF	#000000	##FFFFFF
##330D57	1.00	15.72	1.34	15.72
#FFFFFF	15.72	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002359

Deuteranopia (green-blind)

#002356

Tritanopia (blue-blind)

#2B2132

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #330d57;
/* rgb */ color: rgb(51, 13, 87);
/* oklch */ color: oklch(27.2% 0.122 301.7);

Tailwind

colors: {
  custom: {
    50: '#6f5187',
    500: '#330d57',
    950: '#000000',
  },
}

SCSS

$custom: #330d57;
$custom-light: #6f5187;
$custom-dark: #000000;

JSON

{
  "hex": "#330d57",
  "rgb": {
    "r": 51,
    "g": 13,
    "b": 87
  },
  "hsl": {
    "h": 270.811,
    "s": 74,
    "l": 19.608
  },
  "oklch": {
    "l": 0.27155,
    "c": 0.12239,
    "h": 301.7
  },
  "luminance": 0.0168
}

Semantic roles & 50–950 ramp

primary

#330D57

secondary

#5F922E

accent

#F13791

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #330D57

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

Preview Lab → · Contrast checker → · Palette generator →