#331D4B#331D4B

#331D4B is a dark, moderate violet. Relative luminance 0.021; OKLCH L 28.5% C 0.083 H 303.6°. Best body text is #FFFFFF at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#331D4B
RGB	rgb(51, 29, 75)
HSL	hsl(269, 44%, 20%)
HSV	hsv(269, 61%, 29%)
CMYK	cmyk(32%, 61.3%, 0%, 70.6%)
CIE-LAB	lab(15.96, 21.57, -24.63)
CIE-LCH	lch(15.96, 32.74, 311.21°)
OKLab	oklab(28.46% 0.0462 -0.0695)
OKLCH	oklch(28.46% 0.083 303.6)
XYZ	xyz(3.0743, 2.0905, 6.8968)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D4B #354B1D

analogous

#1D1E4B #331D4B #4A1D4B

triadic

#331D4B #4B331D #1D4B33

tetradic

#331D4B #4B1D1E #354B1D #1D4B4A

square

#331D4B #4B1D1E #354B1D #1D4B4A

split-complementary

#331D4B #4B4A1D #1E4B1D

monochromatic

#0F0916 #150C1F #331D4B #512E77 #6F3FA3

Accessibility & contrast

On white

14.81

#331D4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#331D4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D4B

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D4B	#FFFFFF	#000000	##FFFFFF
##331D4B	1.00	14.81	1.42	14.81
#FFFFFF	14.81	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C274D

Deuteranopia (green-blind)

#13284A

Tritanopia (blue-blind)

#2F2630

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #331d4b;
/* rgb */ color: rgb(51, 29, 75);
/* oklch */ color: oklch(28.5% 0.083 303.6);

Tailwind

colors: {
  custom: {
    50: '#6c5a7d',
    500: '#331d4b',
    950: '#000000',
  },
}

SCSS

$custom: #331d4b;
$custom-light: #6c5a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#331d4b",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 75
  },
  "hsl": {
    "h": 268.696,
    "s": 44.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.28456,
    "c": 0.08342,
    "h": 303.6
  },
  "luminance": 0.02091
}

Semantic roles & 50–950 ramp

primary

#331D4B

secondary

#638044

accent

#D45497

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#07030A

muted

#7A787C

Preview Lab

Preview with #331D4B

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

Preview Lab → · Contrast checker → · Palette generator →