#331D5B#331D5B

#331D5B is a dark, moderate violet. Relative luminance 0.023; OKLCH L 29.7% C 0.106 H 295.6°. Best body text is #FFFFFF at 14.31:1 contrast (WCAG AA passes).

Color values

HEX	#331D5B
RGB	rgb(51, 29, 91)
HSL	hsl(261, 52%, 24%)
HSV	hsv(261, 68%, 36%)
CMYK	cmyk(44%, 68.1%, 0%, 64.3%)
CIE-LAB	lab(17.17, 26.37, -33.50)
CIE-LCH	lch(17.17, 42.64, 308.21°)
OKLab	oklab(29.73% 0.0457 -0.0955)
OKLCH	oklch(29.73% 0.106 295.6)
XYZ	xyz(3.6924, 2.3378, 10.1522)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D5B #455B1D

analogous

#1D265B #331D5B #521D5B

triadic

#331D5B #5B331D #1D5B33

tetradic

#331D5B #5B1D26 #455B1D #1D5B52

square

#331D5B #5B1D26 #455B1D #1D5B52

split-complementary

#331D5B #5B521D #265B1D

monochromatic

#0D0717 #190E2D #331D5B #4D2C89 #673BB8

Accessibility & contrast

On white

14.31

#331D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#331D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D5B

14.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D5B	#FFFFFF	#000000	##FFFFFF
##331D5B	1.00	14.31	1.47	14.31
#FFFFFF	14.31	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5D

Deuteranopia (green-blind)

#00295A

Tritanopia (blue-blind)

#292B39

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #331d5b;
/* rgb */ color: rgb(51, 29, 91);
/* oklch */ color: oklch(29.7% 0.106 295.6);

Tailwind

colors: {
  custom: {
    50: '#6e5a8a',
    500: '#331d5b',
    950: '#000000',
  },
}

SCSS

$custom: #331d5b;
$custom-light: #6e5a8a;
$custom-dark: #000000;

JSON

{
  "hex": "#331d5b",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 91
  },
  "hsl": {
    "h": 261.29,
    "s": 51.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.29729,
    "c": 0.10591,
    "h": 295.6
  },
  "luminance": 0.02338
}

Semantic roles & 50–950 ramp

primary

#331D5B

secondary

#759044

accent

#DB4DA9

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#07040C

muted

#7A797D

Preview Lab

Preview with #331D5B

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

Preview Lab → · Contrast checker → · Palette generator →