#330B3D#330B3D

#330B3D is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.6% C 0.096 H 318.8°. Best body text is #FFFFFF at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#330B3D
RGB	rgb(51, 11, 61)
HSL	hsl(288, 69%, 14%)
HSV	hsv(288, 82%, 24%)
CMYK	cmyk(16.4%, 82%, 0%, 76.1%)
CIE-LAB	lab(11.14, 28.22, -22.56)
CIE-LCH	lch(11.14, 36.13, 321.36°)
OKLab	oklab(24.63% 0.0722 -0.0633)
OKLCH	oklch(24.63% 0.096 318.8)
XYZ	xyz(2.3271, 1.2802, 4.5385)
Luminance	0.0128 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330B3D #153D0B

analogous

#1A0B3D #330B3D #3D0B2E

triadic

#330B3D #3D330B #0B3D33

tetradic

#330B3D #3D1A0B #153D0B #0B2E3D

square

#330B3D #3D1A0B #153D0B #0B2E3D

split-complementary

#330B3D #2E3D0B #0B3D1A

monochromatic

#16051A #16051A #330B3D #5E1471 #8A1EA5

Accessibility & contrast

On white

16.72

#330B3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#330B3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330B3D

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330B3D	#FFFFFF	#000000	##FFFFFF
##330B3D	1.00	16.72	1.26	16.72
#FFFFFF	16.72	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3E

Deuteranopia (green-blind)

#0E1F3C

Tritanopia (blue-blind)

#331523

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #330b3d;
/* rgb */ color: rgb(51, 11, 61);
/* oklch */ color: oklch(24.6% 0.096 318.8);

Tailwind

colors: {
  custom: {
    50: '#6d4e73',
    500: '#330b3d',
    950: '#000000',
  },
}

SCSS

$custom: #330b3d;
$custom-light: #6d4e73;
$custom-dark: #000000;

JSON

{
  "hex": "#330b3d",
  "rgb": {
    "r": 51,
    "g": 11,
    "b": 61
  },
  "hsl": {
    "h": 288,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.24633,
    "c": 0.09604,
    "h": 318.8
  },
  "luminance": 0.0128
}

Semantic roles & 50–950 ramp

primary

#330B3D

secondary

#3A7A2A

accent

#EC3C5F

background

#F6F4F7

surface

#ECE7ED

border

#C7C3C8

text

#070208

muted

#7A787B

Preview Lab

Preview with #330B3D

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

Preview Lab → · Contrast checker → · Palette generator →