#331C5A#331C5A

#331C5A is a dark, moderate violet. Relative luminance 0.023; OKLCH L 29.5% C 0.106 H 296.4°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#331C5A
RGB	rgb(51, 28, 90)
HSL	hsl(262, 53%, 23%)
HSV	hsv(262, 69%, 35%)
CMYK	cmyk(43.3%, 68.9%, 0%, 64.7%)
CIE-LAB	lab(16.86, 26.69, -33.34)
CIE-LCH	lch(16.86, 42.71, 308.68°)
OKLab	oklab(29.48% 0.0471 -0.095)
OKLCH	oklch(29.48% 0.106 296.4)
XYZ	xyz(3.6255, 2.2724, 9.9185)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C5A #435A1C

analogous

#1C245A #331C5A #521C5A

triadic

#331C5A #5A331C #1C5A33

tetradic

#331C5A #5A1C24 #435A1C #1C5A52

square

#331C5A #5A1C24 #435A1C #1C5A52

split-complementary

#331C5A #5A521C #245A1C

monochromatic

#0D0717 #190D2B #331C5A #4D2B89 #6839B7

Accessibility & contrast

On white

14.44

#331C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#331C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C5A

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C5A	#FFFFFF	#000000	##FFFFFF
##331C5A	1.00	14.44	1.45	14.44
#FFFFFF	14.44	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5C

Deuteranopia (green-blind)

#002959

Tritanopia (blue-blind)

#292A38

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #331c5a;
/* rgb */ color: rgb(51, 28, 90);
/* oklch */ color: oklch(29.5% 0.106 296.4);

Tailwind

colors: {
  custom: {
    50: '#6e5989',
    500: '#331c5a',
    950: '#000000',
  },
}

SCSS

$custom: #331c5a;
$custom-light: #6e5989;
$custom-dark: #000000;

JSON

{
  "hex": "#331c5a",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 90
  },
  "hsl": {
    "h": 262.258,
    "s": 52.542,
    "l": 23.137
  },
  "oklch": {
    "l": 0.29477,
    "c": 0.10608,
    "h": 296.4
  },
  "luminance": 0.02273
}

Semantic roles & 50–950 ramp

primary

#331C5A

secondary

#738F42

accent

#DC4CA6

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#07040B

muted

#7A797C

Preview Lab

Preview with #331C5A

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

Preview Lab → · Contrast checker → · Palette generator →