#311C96#311C96

#311C96 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.3% C 0.183 H 279.3°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#311C96
RGB	rgb(49, 28, 150)
HSL	hsl(250, 69%, 35%)
HSV	hsv(250, 81%, 59%)
CMYK	cmyk(67.3%, 81.3%, 0%, 41.2%)
CIE-LAB	lab(22.60, 45.03, -62.39)
CIE-LCH	lch(22.60, 76.95, 305.82°)
OKLab	oklab(35.29% 0.0296 -0.1802)
OKLCH	oklch(35.29% 0.183 279.3)
XYZ	xyz(7.1851, 3.6849, 29.1809)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311C96 #81961C

analogous

#1C4496 #311C96 #6E1C96

triadic

#311C96 #96311C #1C9631

tetradic

#311C96 #961C44 #81961C #1C966E

square

#311C96 #961C44 #81961C #1C966E

split-complementary

#311C96 #966E1C #44961C

monochromatic

#0F092F #201262 #311C96 #4226CA #674EDE

Accessibility & contrast

On white

12.09

#311C96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#311C96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311C96

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311C96	#FFFFFF	#000000	##FFFFFF
##311C96	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A99

Deuteranopia (green-blind)

#003194

Tritanopia (blue-blind)

#004159

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #311c96;
/* rgb */ color: rgb(49, 28, 150);
/* oklch */ color: oklch(35.3% 0.183 279.3);

Tailwind

colors: {
  custom: {
    50: '#785cb6',
    500: '#311c96',
    950: '#000000',
  },
}

SCSS

$custom: #311c96;
$custom-light: #785cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#311c96",
  "rgb": {
    "r": 49,
    "g": 28,
    "b": 150
  },
  "hsl": {
    "h": 250.328,
    "s": 68.539,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35293,
    "c": 0.18259,
    "h": 279.3
  },
  "luminance": 0.03685
}

Semantic roles & 50–950 ramp

primary

#311C96

secondary

#ADC14D

accent

#EB3CCD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311C96

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

Preview Lab → · Contrast checker → · Palette generator →