#331F6A#331F6A

#331F6A is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.4% C 0.123 H 289.6°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#331F6A
RGB	rgb(51, 31, 106)
HSL	hsl(256, 55%, 27%)
HSV	hsv(256, 71%, 42%)
CMYK	cmyk(51.9%, 70.8%, 0%, 58.4%)
CIE-LAB	lab(18.90, 29.84, -40.58)
CIE-LCH	lch(18.90, 50.37, 306.33°)
OKLab	oklab(31.38% 0.0414 -0.1163)
OKLCH	oklch(31.38% 0.124 289.6)
XYZ	xyz(4.4560, 2.7242, 13.9239)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F6A #566A1F

analogous

#1F316A #331F6A #591F6A

triadic

#331F6A #6A331F #1F6A33

tetradic

#331F6A #6A1F31 #566A1F #1F6A59

square

#331F6A #6A1F31 #566A1F #1F6A59

split-complementary

#331F6A #6A591F #316A1F

monochromatic

#0B0718 #1C113B #331F6A #4A2D99 #623DC6

Accessibility & contrast

On white

13.59

#331F6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#331F6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F6A

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F6A	#FFFFFF	#000000	##FFFFFF
##331F6A	1.00	13.59	1.54	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6C

Deuteranopia (green-blind)

#002C68

Tritanopia (blue-blind)

#203241

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #331f6a;
/* rgb */ color: rgb(51, 31, 106);
/* oklch */ color: oklch(31.4% 0.123 289.6);

Tailwind

colors: {
  custom: {
    50: '#715c95',
    500: '#331f6a',
    950: '#000000',
  },
}

SCSS

$custom: #331f6a;
$custom-light: #715c95;
$custom-dark: #000000;

JSON

{
  "hex": "#331f6a",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 106
  },
  "hsl": {
    "h": 256,
    "s": 54.745,
    "l": 26.863
  },
  "oklch": {
    "l": 0.31383,
    "c": 0.1235,
    "h": 289.6
  },
  "luminance": 0.02724
}

Semantic roles & 50–950 ramp

primary

#331F6A

secondary

#879E47

accent

#DE4AB7

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331F6A

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

Preview Lab → · Contrast checker → · Palette generator →