#331D82#331D82

#331D82 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.4% C 0.157 H 284.0°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#331D82
RGB	rgb(51, 29, 130)
HSL	hsl(253, 64%, 31%)
HSV	hsv(253, 78%, 51%)
CMYK	cmyk(60.8%, 77.7%, 0%, 49%)
CIE-LAB	lab(20.80, 38.58, -52.87)
CIE-LCH	lch(20.80, 65.45, 306.12°)
OKLab	oklab(33.44% 0.0379 -0.1524)
OKLCH	oklch(33.44% 0.157 284)
XYZ	xyz(5.8326, 3.1939, 21.4239)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D82 #6C821D

analogous

#1D3982 #331D82 #651D82

triadic

#331D82 #82331D #1D8233

tetradic

#331D82 #821D39 #6C821D #1D8265

square

#331D82 #821D39 #6C821D #1D8265

split-complementary

#331D82 #82651D #39821D

monochromatic

#0C071E #1F1250 #331D82 #4728B4 #6444D5

Accessibility & contrast

On white

12.81

#331D82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#331D82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D82

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D82	#FFFFFF	#000000	##FFFFFF
##331D82	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003585

Deuteranopia (green-blind)

#002F80

Tritanopia (blue-blind)

#023A4E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #331d82;
/* rgb */ color: rgb(51, 29, 130);
/* oklch */ color: oklch(33.4% 0.157 284.0);

Tailwind

colors: {
  custom: {
    50: '#755ca7',
    500: '#331d82',
    950: '#000000',
  },
}

SCSS

$custom: #331d82;
$custom-light: #755ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#331d82",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 130
  },
  "hsl": {
    "h": 253.069,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33441,
    "c": 0.15699,
    "h": 284
  },
  "luminance": 0.03194
}

Semantic roles & 50–950 ramp

primary

#331D82

secondary

#9DB546

accent

#E741C3

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #331D82

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

Preview Lab → · Contrast checker → · Palette generator →