#331F6F#331F6F

#331F6F is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.8% C 0.130 H 288.1°. Best body text is #FFFFFF at 13.41:1 contrast (WCAG AA passes).

Color values

HEX	#331F6F
RGB	rgb(51, 31, 111)
HSL	hsl(255, 56%, 28%)
HSV	hsv(255, 72%, 44%)
CMYK	cmyk(54.1%, 72.1%, 0%, 56.5%)
CIE-LAB	lab(19.36, 31.44, -43.10)
CIE-LCH	lch(19.36, 53.34, 306.11°)
OKLab	oklab(31.85% 0.0406 -0.1237)
OKLCH	oklch(31.85% 0.13 288.1)
XYZ	xyz(4.7236, 2.8313, 15.3334)
Luminance	0.0283 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F6F #5B6F1F

analogous

#1F336F #331F6F #5B1F6F

triadic

#331F6F #6F331F #1F6F33

tetradic

#331F6F #6F1F33 #5B6F1F #1F6F5B

square

#331F6F #6F1F33 #5B6F1F #1F6F5B

split-complementary

#331F6F #6F5B1F #336F1F

monochromatic

#0B0718 #1D123F #331F6F #492C9F #623FC9

Accessibility & contrast

On white

13.41

#331F6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#331F6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F6F

13.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F6F	#FFFFFF	#000000	##FFFFFF
##331F6F	1.00	13.41	1.57	13.41
#FFFFFF	13.41	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003171

Deuteranopia (green-blind)

#002D6D

Tritanopia (blue-blind)

#1D3344

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #331f6f;
/* rgb */ color: rgb(51, 31, 111);
/* oklch */ color: oklch(31.8% 0.130 288.1);

Tailwind

colors: {
  custom: {
    50: '#715c99',
    500: '#331f6f',
    950: '#000000',
  },
}

SCSS

$custom: #331f6f;
$custom-light: #715c99;
$custom-dark: #000000;

JSON

{
  "hex": "#331f6f",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 111
  },
  "hsl": {
    "h": 255,
    "s": 56.338,
    "l": 27.843
  },
  "oklch": {
    "l": 0.31847,
    "c": 0.13021,
    "h": 288.1
  },
  "luminance": 0.02831
}

Semantic roles & 50–950 ramp

primary

#331F6F

secondary

#8CA347

accent

#E048BA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #331F6F

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

Preview Lab → · Contrast checker → · Palette generator →