#330B3B#330B3B

#330B3B is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.5% C 0.094 H 320.4°. Best body text is #FFFFFF at 16.78:1 contrast (WCAG AA passes).

Color values

HEX	#330B3B
RGB	rgb(51, 11, 59)
HSL	hsl(290, 69%, 14%)
HSV	hsv(290, 81%, 23%)
CMYK	cmyk(13.6%, 81.4%, 0%, 76.9%)
CIE-LAB	lab(10.99, 27.76, -21.37)
CIE-LCH	lch(10.99, 35.03, 322.41°)
OKLab	oklab(24.48% 0.0724 -0.0598)
OKLCH	oklch(24.48% 0.094 320.4)
XYZ	xyz(2.2742, 1.2590, 4.2601)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330B3B #133B0B

analogous

#1B0B3B #330B3B #3B0B2B

triadic

#330B3B #3B330B #0B3B33

tetradic

#330B3B #3B1B0B #133B0B #0B2B3B

square

#330B3B #3B1B0B #133B0B #0B2B3B

split-complementary

#330B3B #2B3B0B #0B3B1B

monochromatic

#16051A #16051A #330B3B #60156F #8C1EA2

Accessibility & contrast

On white

16.78

#330B3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#330B3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330B3B

16.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330B3B	#FFFFFF	#000000	##FFFFFF
##330B3B	1.00	16.78	1.25	16.78
#FFFFFF	16.78	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3C

Deuteranopia (green-blind)

#101F3A

Tritanopia (blue-blind)

#331422

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #330b3b;
/* rgb */ color: rgb(51, 11, 59);
/* oklch */ color: oklch(24.5% 0.094 320.4);

Tailwind

colors: {
  custom: {
    50: '#6d4e71',
    500: '#330b3b',
    950: '#000000',
  },
}

SCSS

$custom: #330b3b;
$custom-light: #6d4e71;
$custom-dark: #000000;

JSON

{
  "hex": "#330b3b",
  "rgb": {
    "r": 51,
    "g": 11,
    "b": 59
  },
  "hsl": {
    "h": 290,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24478,
    "c": 0.09391,
    "h": 320.4
  },
  "luminance": 0.01259
}

Semantic roles & 50–950 ramp

primary

#330B3B

secondary

#37782A

accent

#EB3C5A

background

#F6F4F6

surface

#ECE7EC

border

#C7C3C7

text

#070207

muted

#7A787A

Preview Lab

Preview with #330B3B

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

Preview Lab → · Contrast checker → · Palette generator →