#331F78#331F78

#331F78 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.7% C 0.142 H 285.8°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#331F78
RGB	rgb(51, 31, 120)
HSL	hsl(253, 59%, 30%)
HSV	hsv(253, 74%, 47%)
CMYK	cmyk(57.5%, 74.2%, 0%, 52.9%)
CIE-LAB	lab(20.20, 34.31, -47.50)
CIE-LCH	lch(20.20, 58.60, 305.84°)
OKLab	oklab(32.71% 0.0387 -0.1367)
OKLCH	oklch(32.71% 0.142 285.8)
XYZ	xyz(5.2444, 3.0396, 18.0760)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F78 #64781F

analogous

#1F3878 #331F78 #601F78

triadic

#331F78 #78331F #1F7833

tetradic

#331F78 #781F38 #64781F #1F7860

square

#331F78 #781F38 #64781F #1F7860

split-complementary

#331F78 #78601F #38781F

monochromatic

#0A0618 #1E1247 #331F78 #482CA9 #6243CE

Accessibility & contrast

On white

13.06

#331F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#331F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F78

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F78	#FFFFFF	#000000	##FFFFFF
##331F78	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337B

Deuteranopia (green-blind)

#002E76

Tritanopia (blue-blind)

#143749

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #331f78;
/* rgb */ color: rgb(51, 31, 120);
/* oklch */ color: oklch(32.7% 0.142 285.8);

Tailwind

colors: {
  custom: {
    50: '#735da0',
    500: '#331f78',
    950: '#000000',
  },
}

SCSS

$custom: #331f78;
$custom-light: #735da0;
$custom-dark: #000000;

JSON

{
  "hex": "#331f78",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 120
  },
  "hsl": {
    "h": 253.483,
    "s": 58.94,
    "l": 29.608
  },
  "oklch": {
    "l": 0.32712,
    "c": 0.14204,
    "h": 285.8
  },
  "luminance": 0.0304
}

Semantic roles & 50–950 ramp

primary

#331F78

secondary

#95AB47

accent

#E246BF

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #331F78

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

Preview Lab → · Contrast checker → · Palette generator →