#311C92#311C92

#311C92 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.9% C 0.178 H 280.0°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#311C92
RGB	rgb(49, 28, 146)
HSL	hsl(251, 68%, 34%)
HSV	hsv(251, 81%, 57%)
CMYK	cmyk(66.4%, 80.8%, 0%, 42.7%)
CIE-LAB	lab(22.15, 43.81, -60.66)
CIE-LCH	lch(22.15, 74.82, 305.84°)
OKLab	oklab(34.85% 0.0308 -0.1751)
OKLCH	oklch(34.85% 0.178 280)
XYZ	xyz(6.8685, 3.5582, 27.5134)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311C92 #7D921C

analogous

#1C4292 #311C92 #6C1C92

triadic

#311C92 #92311C #1C9231

tetradic

#311C92 #921C42 #7D921C #1C926C

square

#311C92 #921C42 #7D921C #1C926C

split-complementary

#311C92 #926C1C #42921C

monochromatic

#0F082B #20125F #311C92 #4226C5 #664CDD

Accessibility & contrast

On white

12.27

#311C92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#311C92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311C92

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311C92	#FFFFFF	#000000	##FFFFFF
##311C92	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003995

Deuteranopia (green-blind)

#003090

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #311c92;
/* rgb */ color: rgb(49, 28, 146);
/* oklch */ color: oklch(34.9% 0.178 280.0);

Tailwind

colors: {
  custom: {
    50: '#785cb3',
    500: '#311c92',
    950: '#000000',
  },
}

SCSS

$custom: #311c92;
$custom-light: #785cb3;
$custom-dark: #000000;

JSON

{
  "hex": "#311c92",
  "rgb": {
    "r": 49,
    "g": 28,
    "b": 146
  },
  "hsl": {
    "h": 250.678,
    "s": 67.816,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34851,
    "c": 0.17781,
    "h": 280
  },
  "luminance": 0.03559
}

Semantic roles & 50–950 ramp

primary

#311C92

secondary

#AABF4B

accent

#EB3DCC

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311C92

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

Preview Lab → · Contrast checker → · Palette generator →