#331F79#331F79

#331F79 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 32.8% C 0.143 H 285.6°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#331F79
RGB	rgb(51, 31, 121)
HSL	hsl(253, 59%, 30%)
HSV	hsv(253, 74%, 47%)
CMYK	cmyk(57.9%, 74.4%, 0%, 52.5%)
CIE-LAB	lab(20.30, 34.63, -47.98)
CIE-LCH	lch(20.30, 59.17, 305.82°)
OKLab	oklab(32.81% 0.0385 -0.1381)
OKLCH	oklch(32.81% 0.143 285.6)
XYZ	xyz(5.3054, 3.0640, 18.3973)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F79 #65791F

analogous

#1F3879 #331F79 #601F79

triadic

#331F79 #79331F #1F7933

tetradic

#331F79 #791F38 #65791F #1F7960

square

#331F79 #791F38 #65791F #1F7960

split-complementary

#331F79 #79601F #38791F

monochromatic

#0A0618 #1E1348 #331F79 #482BAA #6243CF

Accessibility & contrast

On white

13.02

#331F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#331F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F79

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F79	#FFFFFF	#000000	##FFFFFF
##331F79	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337C

Deuteranopia (green-blind)

#002E77

Tritanopia (blue-blind)

#13374A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #331f79;
/* rgb */ color: rgb(51, 31, 121);
/* oklch */ color: oklch(32.8% 0.143 285.6);

Tailwind

colors: {
  custom: {
    50: '#735da1',
    500: '#331f79',
    950: '#000000',
  },
}

SCSS

$custom: #331f79;
$custom-light: #735da1;
$custom-dark: #000000;

JSON

{
  "hex": "#331f79",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 121
  },
  "hsl": {
    "h": 253.333,
    "s": 59.211,
    "l": 29.804
  },
  "oklch": {
    "l": 0.3281,
    "c": 0.14334,
    "h": 285.6
  },
  "luminance": 0.03064
}

Semantic roles & 50–950 ramp

primary

#331F79

secondary

#96AC47

accent

#E245C0

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331F79

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

Preview Lab → · Contrast checker → · Palette generator →