#331D5A#331D5A

#331D5A is a dark, moderate violet. Relative luminance 0.023; OKLCH L 29.6% C 0.105 H 296.0°. Best body text is #FFFFFF at 14.34:1 contrast (WCAG AA passes).

Color values

HEX	#331D5A
RGB	rgb(51, 29, 90)
HSL	hsl(262, 51%, 23%)
HSV	hsv(262, 68%, 35%)
CMYK	cmyk(43.3%, 67.8%, 0%, 64.7%)
CIE-LAB	lab(17.09, 26.07, -32.97)
CIE-LCH	lch(17.09, 42.03, 308.33°)
OKLab	oklab(29.64% 0.0458 -0.094)
OKLCH	oklch(29.64% 0.105 296)
XYZ	xyz(3.6496, 2.3206, 9.9265)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D5A #445A1D

analogous

#1D255A #331D5A #511D5A

triadic

#331D5A #5A331D #1D5A33

tetradic

#331D5A #5A1D25 #445A1D #1D5A51

square

#331D5A #5A1D25 #445A1D #1D5A51

split-complementary

#331D5A #5A511D #255A1D

monochromatic

#0D0717 #190E2C #331D5A #4D2C88 #673BB7

Accessibility & contrast

On white

14.34

#331D5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#331D5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D5A

14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D5A	#FFFFFF	#000000	##FFFFFF
##331D5A	1.00	14.34	1.46	14.34
#FFFFFF	14.34	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5C

Deuteranopia (green-blind)

#002959

Tritanopia (blue-blind)

#292B38

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #331d5a;
/* rgb */ color: rgb(51, 29, 90);
/* oklch */ color: oklch(29.6% 0.105 296.0);

Tailwind

colors: {
  custom: {
    50: '#6e5a89',
    500: '#331d5a',
    950: '#000000',
  },
}

SCSS

$custom: #331d5a;
$custom-light: #6e5a89;
$custom-dark: #000000;

JSON

{
  "hex": "#331d5a",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 90
  },
  "hsl": {
    "h": 261.639,
    "s": 51.261,
    "l": 23.333
  },
  "oklch": {
    "l": 0.29644,
    "c": 0.10452,
    "h": 296
  },
  "luminance": 0.02321
}

Semantic roles & 50–950 ramp

primary

#331D5A

secondary

#748F44

accent

#DB4DA8

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#07040B

muted

#7A797C

Preview Lab

Preview with #331D5A

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

Preview Lab → · Contrast checker → · Palette generator →