#330B4A#330B4A

#330B4A is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.7% C 0.110 H 309.4°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#330B4A
RGB	rgb(51, 11, 74)
HSL	hsl(278, 74%, 17%)
HSV	hsv(278, 85%, 29%)
CMYK	cmyk(31.1%, 85.1%, 0%, 71%)
CIE-LAB	lab(12.21, 31.37, -29.98)
CIE-LCH	lch(12.21, 43.39, 316.30°)
OKLab	oklab(25.73% 0.07 -0.0851)
OKLCH	oklch(25.73% 0.11 309.4)
XYZ	xyz(2.7207, 1.4376, 6.6114)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330B4A #224A0B

analogous

#140B4A #330B4A #4A0B42

triadic

#330B4A #4A330B #0B4A33

tetradic

#330B4A #4A140B #224A0B #0B424A

square

#330B4A #4A140B #224A0B #0B424A

split-complementary

#330B4A #424A0B #0B4A14

monochromatic

#12041B #12041B #330B4A #58137F #7C1BB5

Accessibility & contrast

On white

16.31

#330B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#330B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330B4A

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330B4A	#FFFFFF	#000000	##FFFFFF
##330B4A	1.00	16.31	1.29	16.31
#FFFFFF	16.31	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4C

Deuteranopia (green-blind)

#002049

Tritanopia (blue-blind)

#301A2A

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #330b4a;
/* rgb */ color: rgb(51, 11, 74);
/* oklch */ color: oklch(25.7% 0.110 309.4);

Tailwind

colors: {
  custom: {
    50: '#6e4f7d',
    500: '#330b4a',
    950: '#000000',
  },
}

SCSS

$custom: #330b4a;
$custom-light: #6e4f7d;
$custom-dark: #000000;

JSON

{
  "hex": "#330b4a",
  "rgb": {
    "r": 51,
    "g": 11,
    "b": 74
  },
  "hsl": {
    "h": 278.095,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.25729,
    "c": 0.11016,
    "h": 309.4
  },
  "luminance": 0.01438
}

Semantic roles & 50–950 ramp

primary

#330B4A

secondary

#4C862B

accent

#F1377B

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #330B4A

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

Preview Lab → · Contrast checker → · Palette generator →