#311C93#311C93

#311C93 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.0% C 0.179 H 279.8°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#311C93
RGB	rgb(49, 28, 147)
HSL	hsl(251, 68%, 34%)
HSV	hsv(251, 81%, 58%)
CMYK	cmyk(66.7%, 81%, 0%, 42.4%)
CIE-LAB	lab(22.27, 44.11, -61.09)
CIE-LCH	lch(22.27, 75.36, 305.83°)
OKLab	oklab(34.96% 0.0305 -0.1764)
OKLCH	oklch(34.96% 0.179 279.8)
XYZ	xyz(6.9467, 3.5895, 27.9249)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311C93 #7E931C

analogous

#1C4393 #311C93 #6D1C93

triadic

#311C93 #93311C #1C9331

tetradic

#311C93 #931C43 #7E931C #1C936D

square

#311C93 #931C43 #7E931C #1C936D

split-complementary

#311C93 #936D1C #43931C

monochromatic

#0F082C #201260 #311C93 #4226C6 #664CDD

Accessibility & contrast

On white

12.22

#311C93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#311C93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311C93

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311C93	#FFFFFF	#000000	##FFFFFF
##311C93	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003996

Deuteranopia (green-blind)

#003191

Tritanopia (blue-blind)

#004058

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #311c93;
/* rgb */ color: rgb(49, 28, 147);
/* oklch */ color: oklch(35.0% 0.179 279.8);

Tailwind

colors: {
  custom: {
    50: '#785cb4',
    500: '#311c93',
    950: '#000000',
  },
}

SCSS

$custom: #311c93;
$custom-light: #785cb4;
$custom-dark: #000000;

JSON

{
  "hex": "#311c93",
  "rgb": {
    "r": 49,
    "g": 28,
    "b": 147
  },
  "hsl": {
    "h": 250.588,
    "s": 68,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34961,
    "c": 0.17901,
    "h": 279.8
  },
  "luminance": 0.0359
}

Semantic roles & 50–950 ramp

primary

#311C93

secondary

#ABBF4C

accent

#EB3DCC

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311C93

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

Preview Lab → · Contrast checker → · Palette generator →