#330B40#330B40

#330B40 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.9% C 0.099 H 316.4°. Best body text is #FFFFFF at 16.63:1 contrast (WCAG AA passes).

Color values

HEX	#330B40
RGB	rgb(51, 11, 64)
HSL	hsl(285, 71%, 15%)
HSV	hsv(285, 83%, 25%)
CMYK	cmyk(20.3%, 82.8%, 0%, 74.9%)
CIE-LAB	lab(11.37, 28.93, -24.32)
CIE-LCH	lch(11.37, 37.79, 319.95°)
OKLab	oklab(24.87% 0.0719 -0.0684)
OKLCH	oklch(24.87% 0.099 316.4)
XYZ	xyz(2.4102, 1.3134, 4.9761)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330B40 #18400B

analogous

#190B40 #330B40 #400B33

triadic

#330B40 #40330B #0B4033

tetradic

#330B40 #40190B #18400B #0B3340

square

#330B40 #40190B #18400B #0B3340

split-complementary

#330B40 #33400B #0B4019

monochromatic

#15041A #15041A #330B40 #5D1474 #861DA8

Accessibility & contrast

On white

16.63

#330B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#330B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330B40

16.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330B40	#FFFFFF	#000000	##FFFFFF
##330B40	1.00	16.63	1.26	16.63
#FFFFFF	16.63	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C41

Deuteranopia (green-blind)

#0B1F3F

Tritanopia (blue-blind)

#321624

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #330b40;
/* rgb */ color: rgb(51, 11, 64);
/* oklch */ color: oklch(24.9% 0.099 316.4);

Tailwind

colors: {
  custom: {
    50: '#6d4f75',
    500: '#330b40',
    950: '#000000',
  },
}

SCSS

$custom: #330b40;
$custom-light: #6d4f75;
$custom-dark: #000000;

JSON

{
  "hex": "#330b40",
  "rgb": {
    "r": 51,
    "g": 11,
    "b": 64
  },
  "hsl": {
    "h": 285.283,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.24873,
    "c": 0.09926,
    "h": 316.4
  },
  "luminance": 0.01313
}

Semantic roles & 50–950 ramp

primary

#330B40

secondary

#3E7D2A

accent

#ED3A66

background

#F6F4F7

surface

#ECE7ED

border

#C7C3C8

text

#070208

muted

#7A787B

Preview Lab

Preview with #330B40

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

Preview Lab → · Contrast checker → · Palette generator →