#330B37#330B37

#330B37 is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.2% C 0.090 H 324.0°. Best body text is #FFFFFF at 16.88:1 contrast (WCAG AA passes).

Color values

HEX	#330B37
RGB	rgb(51, 11, 55)
HSL	hsl(295, 67%, 13%)
HSV	hsv(295, 80%, 22%)
CMYK	cmyk(7.3%, 80%, 0%, 78.4%)
CIE-LAB	lab(10.70, 26.86, -18.95)
CIE-LCH	lch(10.70, 32.88, 324.80°)
OKLab	oklab(24.18% 0.0726 -0.0527)
OKLCH	oklch(24.18% 0.09 324)
XYZ	xyz(2.1744, 1.2191, 3.7345)
Luminance	0.0122 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330B37 #0F370B

analogous

#1D0B37 #330B37 #370B25

triadic

#330B37 #37330B #0B3733

tetradic

#330B37 #371D0B #0F370B #0B2537

square

#330B37 #371D0B #0F370B #0B2537

split-complementary

#330B37 #25370B #0B371D

monochromatic

#18051A #18051A #330B37 #62156A #921F9D

Accessibility & contrast

On white

16.88

#330B37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#330B37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330B37

16.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330B37	#FFFFFF	#000000	##FFFFFF
##330B37	1.00	16.88	1.24	16.88
#FFFFFF	16.88	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021A38

Deuteranopia (green-blind)

#131E36

Tritanopia (blue-blind)

#341220

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #330b37;
/* rgb */ color: rgb(51, 11, 55);
/* oklch */ color: oklch(24.2% 0.090 324.0);

Tailwind

colors: {
  custom: {
    50: '#6d4e6e',
    500: '#330b37',
    950: '#000000',
  },
}

SCSS

$custom: #330b37;
$custom-light: #6d4e6e;
$custom-dark: #000000;

JSON

{
  "hex": "#330b37",
  "rgb": {
    "r": 51,
    "g": 11,
    "b": 55
  },
  "hsl": {
    "h": 294.545,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.24179,
    "c": 0.08971,
    "h": 324
  },
  "luminance": 0.01219
}

Semantic roles & 50–950 ramp

primary

#330B37

secondary

#31742A

accent

#EA3E4E

background

#F6F4F6

surface

#ECE7EB

border

#C7C3C6

text

#070207

muted

#7A787A

Preview Lab

Preview with #330B37

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

Preview Lab → · Contrast checker → · Palette generator →