#330B3A#330B3A

#330B3A is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.4% C 0.093 H 321.3°. Best body text is #FFFFFF at 16.80:1 contrast (WCAG AA passes).

Color values

HEX	#330B3A
RGB	rgb(51, 11, 58)
HSL	hsl(291, 68%, 14%)
HSV	hsv(291, 81%, 23%)
CMYK	cmyk(12.1%, 81%, 0%, 77.3%)
CIE-LAB	lab(10.91, 27.53, -20.77)
CIE-LCH	lch(10.91, 34.49, 322.97°)
OKLab	oklab(24.4% 0.0725 -0.0581)
OKLCH	oklch(24.4% 0.093 321.3)
XYZ	xyz(2.2485, 1.2488, 4.1248)
Luminance	0.0125 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330B3A #123A0B

analogous

#1B0B3A #330B3A #3A0B29

triadic

#330B3A #3A330B #0B3A33

tetradic

#330B3A #3A1B0B #123A0B #0B293A

square

#330B3A #3A1B0B #123A0B #0B293A

split-complementary

#330B3A #293A0B #0B3A1B

monochromatic

#17051A #17051A #330B3A #60156D #8D1FA1

Accessibility & contrast

On white

16.80

#330B3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#330B3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330B3A

16.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330B3A	#FFFFFF	#000000	##FFFFFF
##330B3A	1.00	16.80	1.25	16.80
#FFFFFF	16.80	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3B

Deuteranopia (green-blind)

#111F39

Tritanopia (blue-blind)

#341421

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #330b3a;
/* rgb */ color: rgb(51, 11, 58);
/* oklch */ color: oklch(24.4% 0.093 321.3);

Tailwind

colors: {
  custom: {
    50: '#6d4e70',
    500: '#330b3a',
    950: '#000000',
  },
}

SCSS

$custom: #330b3a;
$custom-light: #6d4e70;
$custom-dark: #000000;

JSON

{
  "hex": "#330b3a",
  "rgb": {
    "r": 51,
    "g": 11,
    "b": 58
  },
  "hsl": {
    "h": 291.064,
    "s": 68.116,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24402,
    "c": 0.09285,
    "h": 321.3
  },
  "luminance": 0.01249
}

Semantic roles & 50–950 ramp

primary

#330B3A

secondary

#35772A

accent

#EB3D57

background

#F6F4F6

surface

#ECE7EC

border

#C7C3C7

text

#070207

muted

#7A787A

Preview Lab

Preview with #330B3A

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

Preview Lab → · Contrast checker → · Palette generator →