#330B52#330B52

#330B52 is a dark, moderate violet. Relative luminance 0.016; OKLCH L 26.5% C 0.119 H 304.7°. Best body text is #FFFFFF at 16.03:1 contrast (WCAG AA passes).

Color values

HEX	#330B52
RGB	rgb(51, 11, 82)
HSL	hsl(274, 76%, 18%)
HSV	hsv(274, 87%, 32%)
CMYK	cmyk(37.8%, 86.6%, 0%, 67.8%)
CIE-LAB	lab(12.94, 33.42, -34.30)
CIE-LCH	lch(12.94, 47.89, 314.25°)
OKLab	oklab(26.47% 0.0678 -0.0978)
OKLCH	oklch(26.47% 0.119 304.7)
XYZ	xyz(3.0076, 1.5524, 8.1222)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.10

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330B52 #2A520B

analogous

#100B52 #330B52 #520B4D

triadic

#330B52 #52330B #0B5233

tetradic

#330B52 #52100B #2A520B #0B4D52

square

#330B52 #52100B #2A520B #0B4D52

split-complementary

#330B52 #4D520B #0B5210

monochromatic

#11041B #11041C #330B52 #551288 #7619BE

Accessibility & contrast

On white

16.03

#330B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#330B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330B52

16.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330B52	#FFFFFF	#000000	##FFFFFF
##330B52	1.00	16.03	1.31	16.03
#FFFFFF	16.03	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002054

Deuteranopia (green-blind)

#002151

Tritanopia (blue-blind)

#2D1E2F

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #330b52;
/* rgb */ color: rgb(51, 11, 82);
/* oklch */ color: oklch(26.5% 0.119 304.7);

Tailwind

colors: {
  custom: {
    50: '#6f5083',
    500: '#330b52',
    950: '#000000',
  },
}

SCSS

$custom: #330b52;
$custom-light: #6f5083;
$custom-dark: #000000;

JSON

{
  "hex": "#330b52",
  "rgb": {
    "r": 51,
    "g": 11,
    "b": 82
  },
  "hsl": {
    "h": 273.803,
    "s": 76.344,
    "l": 18.235
  },
  "oklch": {
    "l": 0.26469,
    "c": 0.11896,
    "h": 304.7
  },
  "luminance": 0.01552
}

Semantic roles & 50–950 ramp

primary

#330B52

secondary

#568E2B

accent

#F33588

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #330B52

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

Preview Lab → · Contrast checker → · Palette generator →