#311C94#311C94

#311C94 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.1% C 0.180 H 279.7°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#311C94
RGB	rgb(49, 28, 148)
HSL	hsl(251, 68%, 35%)
HSV	hsv(251, 81%, 58%)
CMYK	cmyk(66.9%, 81.1%, 0%, 42%)
CIE-LAB	lab(22.38, 44.42, -61.53)
CIE-LCH	lch(22.38, 75.89, 305.83°)
OKLab	oklab(35.07% 0.0302 -0.1776)
OKLCH	oklch(35.07% 0.18 279.7)
XYZ	xyz(7.0255, 3.6210, 28.3399)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311C94 #7F941C

analogous

#1C4394 #311C94 #6D1C94

triadic

#311C94 #94311C #1C9431

tetradic

#311C94 #941C43 #7F941C #1C946D

square

#311C94 #941C43 #7F941C #1C946D

split-complementary

#311C94 #946D1C #43941C

monochromatic

#0F092D #201261 #311C94 #4226C7 #664DDD

Accessibility & contrast

On white

12.18

#311C94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#311C94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311C94

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311C94	#FFFFFF	#000000	##FFFFFF
##311C94	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A97

Deuteranopia (green-blind)

#003192

Tritanopia (blue-blind)

#004158

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #311c94;
/* rgb */ color: rgb(49, 28, 148);
/* oklch */ color: oklch(35.1% 0.180 279.7);

Tailwind

colors: {
  custom: {
    50: '#785cb5',
    500: '#311c94',
    950: '#000000',
  },
}

SCSS

$custom: #311c94;
$custom-light: #785cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#311c94",
  "rgb": {
    "r": 49,
    "g": 28,
    "b": 148
  },
  "hsl": {
    "h": 250.5,
    "s": 68.182,
    "l": 34.51
  },
  "oklch": {
    "l": 0.35071,
    "c": 0.1802,
    "h": 279.7
  },
  "luminance": 0.03622
}

Semantic roles & 50–950 ramp

primary

#311C94

secondary

#ABC04C

accent

#EB3DCD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311C94

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

Preview Lab → · Contrast checker → · Palette generator →