#331C5B#331C5B

#331C5B is a dark, moderate violet. Relative luminance 0.023; OKLCH L 29.6% C 0.107 H 295.9°. Best body text is #FFFFFF at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#331C5B
RGB	rgb(51, 28, 91)
HSL	hsl(262, 53%, 23%)
HSV	hsv(262, 69%, 36%)
CMYK	cmyk(44%, 69.2%, 0%, 64.3%)
CIE-LAB	lab(16.94, 26.99, -33.88)
CIE-LCH	lch(16.94, 43.31, 308.55°)
OKLab	oklab(29.56% 0.047 -0.0966)
OKLCH	oklch(29.56% 0.107 295.9)
XYZ	xyz(3.6683, 2.2896, 10.1442)
Luminance	0.0229 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C5B #445B1C

analogous

#1C245B #331C5B #521C5B

triadic

#331C5B #5B331C #1C5B33

tetradic

#331C5B #5B1C24 #445B1C #1C5B52

square

#331C5B #5B1C24 #445B1C #1C5B52

split-complementary

#331C5B #5B521C #245B1C

monochromatic

#0D0717 #190E2C #331C5B #4D2A8A #6739B9

Accessibility & contrast

On white

14.40

#331C5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#331C5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C5B

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C5B	#FFFFFF	#000000	##FFFFFF
##331C5B	1.00	14.40	1.46	14.40
#FFFFFF	14.40	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5D

Deuteranopia (green-blind)

#00295A

Tritanopia (blue-blind)

#292B38

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #331c5b;
/* rgb */ color: rgb(51, 28, 91);
/* oklch */ color: oklch(29.6% 0.107 295.9);

Tailwind

colors: {
  custom: {
    50: '#6e5a8a',
    500: '#331c5b',
    950: '#000000',
  },
}

SCSS

$custom: #331c5b;
$custom-light: #6e5a8a;
$custom-dark: #000000;

JSON

{
  "hex": "#331c5b",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 91
  },
  "hsl": {
    "h": 261.905,
    "s": 52.941,
    "l": 23.333
  },
  "oklch": {
    "l": 0.29563,
    "c": 0.10744,
    "h": 295.9
  },
  "luminance": 0.0229
}

Semantic roles & 50–950 ramp

primary

#331C5B

secondary

#749042

accent

#DC4BA7

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#07040C

muted

#7A797D

Preview Lab

Preview with #331C5B

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

Preview Lab → · Contrast checker → · Palette generator →