#331F89#331F89

#331F89 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.4% C 0.164 H 282.2°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#331F89
RGB	rgb(51, 31, 137)
HSL	hsl(251, 63%, 33%)
HSV	hsv(251, 77%, 54%)
CMYK	cmyk(62.8%, 77.4%, 0%, 46.3%)
CIE-LAB	lab(21.91, 39.70, -55.46)
CIE-LCH	lch(21.91, 68.20, 305.60°)
OKLab	oklab(34.43% 0.0346 -0.1599)
OKLCH	oklch(34.43% 0.164 282.2)
XYZ	xyz(6.3692, 3.4895, 24.0000)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F89 #75891F

analogous

#1F4089 #331F89 #681F89

triadic

#331F89 #89331F #1F8933

tetradic

#331F89 #891F40 #75891F #1F8968

square

#331F89 #891F40 #75891F #1F8968

split-complementary

#331F89 #89681F #40891F

monochromatic

#0E0825 #201457 #331F89 #462ABB #664CD6

Accessibility & contrast

On white

12.37

#331F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#331F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F89

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F89	#FFFFFF	#000000	##FFFFFF
##331F89	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388C

Deuteranopia (green-blind)

#003187

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #331f89;
/* rgb */ color: rgb(51, 31, 137);
/* oklch */ color: oklch(34.4% 0.164 282.2);

Tailwind

colors: {
  custom: {
    50: '#765dac',
    500: '#331f89',
    950: '#000000',
  },
}

SCSS

$custom: #331f89;
$custom-light: #765dac;
$custom-dark: #000000;

JSON

{
  "hex": "#331f89",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 137
  },
  "hsl": {
    "h": 251.321,
    "s": 63.095,
    "l": 32.941
  },
  "oklch": {
    "l": 0.34434,
    "c": 0.16362,
    "h": 282.2
  },
  "luminance": 0.0349
}

Semantic roles & 50–950 ramp

primary

#331F89

secondary

#A4B94B

accent

#E642C7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #331F89

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

Preview Lab → · Contrast checker → · Palette generator →