#331D63#331D63

#331D63 is a dark, moderate violet. Relative luminance 0.025; OKLCH L 30.4% C 0.117 H 292.5°. Best body text is #FFFFFF at 14.03:1 contrast (WCAG AA passes).

Color values

HEX	#331D63
RGB	rgb(51, 29, 99)
HSL	hsl(259, 55%, 25%)
HSV	hsv(259, 71%, 39%)
CMYK	cmyk(48.5%, 70.7%, 0%, 61.2%)
CIE-LAB	lab(17.84, 28.85, -37.72)
CIE-LCH	lch(17.84, 47.49, 307.41°)
OKLab	oklab(30.43% 0.0447 -0.1079)
OKLCH	oklch(30.43% 0.117 292.5)
XYZ	xyz(4.0561, 2.4833, 12.0676)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D63 #4D631D

analogous

#1D2A63 #331D63 #561D63

triadic

#331D63 #63331D #1D6333

tetradic

#331D63 #631D2A #4D631D #1D6356

square

#331D63 #631D2A #4D631D #1D6356

split-complementary

#331D63 #63561D #2A631D

monochromatic

#0C0718 #1B0F34 #331D63 #4B2B92 #6439C2

Accessibility & contrast

On white

14.03

#331D63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#331D63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D63

14.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D63	#FFFFFF	#000000	##FFFFFF
##331D63	1.00	14.03	1.50	14.03
#FFFFFF	14.03	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D65

Deuteranopia (green-blind)

#002A62

Tritanopia (blue-blind)

#252E3D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #331d63;
/* rgb */ color: rgb(51, 29, 99);
/* oklch */ color: oklch(30.4% 0.117 292.5);

Tailwind

colors: {
  custom: {
    50: '#705a90',
    500: '#331d63',
    950: '#000000',
  },
}

SCSS

$custom: #331d63;
$custom-light: #705a90;
$custom-dark: #000000;

JSON

{
  "hex": "#331d63",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 99
  },
  "hsl": {
    "h": 258.857,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.30428,
    "c": 0.11684,
    "h": 292.5
  },
  "luminance": 0.02483
}

Semantic roles & 50–950 ramp

primary

#331D63

secondary

#7E9844

accent

#DE4AAF

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08040C

muted

#7B797D

Preview Lab

Preview with #331D63

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

Preview Lab → · Contrast checker → · Palette generator →