#330B4B#330B4B

#330B4B is a dark, moderate violet. Relative luminance 0.015; OKLCH L 25.8% C 0.111 H 308.8°. Best body text is #FFFFFF at 16.28:1 contrast (WCAG AA passes).

Color values

HEX	#330B4B
RGB	rgb(51, 11, 75)
HSL	hsl(278, 74%, 17%)
HSV	hsv(278, 85%, 29%)
CMYK	cmyk(32%, 85.3%, 0%, 70.6%)
CIE-LAB	lab(12.29, 31.63, -30.53)
CIE-LCH	lch(12.29, 43.96, 316.01°)
OKLab	oklab(25.82% 0.0697 -0.0867)
OKLCH	oklch(25.82% 0.111 308.8)
XYZ	xyz(2.7547, 1.4512, 6.7902)
Luminance	0.0145 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330B4B #234B0B

analogous

#130B4B #330B4B #4B0B43

triadic

#330B4B #4B330B #0B4B33

tetradic

#330B4B #4B130B #234B0B #0B434B

square

#330B4B #4B130B #234B0B #0B434B

split-complementary

#330B4B #434B0B #0B4B13

monochromatic

#12041B #12041B #330B4B #571380 #7C1BB6

Accessibility & contrast

On white

16.28

#330B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#330B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330B4B

16.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330B4B	#FFFFFF	#000000	##FFFFFF
##330B4B	1.00	16.28	1.29	16.28
#FFFFFF	16.28	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4D

Deuteranopia (green-blind)

#00214A

Tritanopia (blue-blind)

#2F1B2B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #330b4b;
/* rgb */ color: rgb(51, 11, 75);
/* oklch */ color: oklch(25.8% 0.111 308.8);

Tailwind

colors: {
  custom: {
    50: '#6e4f7e',
    500: '#330b4b',
    950: '#000000',
  },
}

SCSS

$custom: #330b4b;
$custom-light: #6e4f7e;
$custom-dark: #000000;

JSON

{
  "hex": "#330b4b",
  "rgb": {
    "r": 51,
    "g": 11,
    "b": 75
  },
  "hsl": {
    "h": 277.5,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.25819,
    "c": 0.11126,
    "h": 308.8
  },
  "luminance": 0.01451
}

Semantic roles & 50–950 ramp

primary

#330B4B

secondary

#4D872B

accent

#F1377D

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #330B4B

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

Preview Lab → · Contrast checker → · Palette generator →