#311C85#311C85

#311C85 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.4% C 0.162 H 282.3°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#311C85
RGB	rgb(49, 28, 133)
HSL	hsl(252, 65%, 32%)
HSV	hsv(252, 79%, 52%)
CMYK	cmyk(63.2%, 78.9%, 0%, 47.8%)
CIE-LAB	lab(20.74, 39.78, -54.88)
CIE-LCH	lch(20.74, 67.78, 305.94°)
OKLab	oklab(33.44% 0.0347 -0.1583)
OKLCH	oklch(33.44% 0.162 282.3)
XYZ	xyz(5.9142, 3.1765, 22.4872)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311C85 #70851C

analogous

#1C3C85 #311C85 #661C85

triadic

#311C85 #85311C #1C8531

tetradic

#311C85 #851C3C #70851C #1C8566

square

#311C85 #851C3C #70851C #1C8566

split-complementary

#311C85 #85661C #3C851C

monochromatic

#0C0720 #1E1152 #311C85 #4427B8 #6144D8

Accessibility & contrast

On white

12.84

#311C85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#311C85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311C85

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311C85	#FFFFFF	#000000	##FFFFFF
##311C85	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003588

Deuteranopia (green-blind)

#002E83

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #311c85;
/* rgb */ color: rgb(49, 28, 133);
/* oklch */ color: oklch(33.4% 0.162 282.3);

Tailwind

colors: {
  custom: {
    50: '#755baa',
    500: '#311c85',
    950: '#000000',
  },
}

SCSS

$custom: #311c85;
$custom-light: #755baa;
$custom-dark: #000000;

JSON

{
  "hex": "#311c85",
  "rgb": {
    "r": 49,
    "g": 28,
    "b": 133
  },
  "hsl": {
    "h": 252,
    "s": 65.217,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33441,
    "c": 0.16202,
    "h": 282.3
  },
  "luminance": 0.03177
}

Semantic roles & 50–950 ramp

primary

#311C85

secondary

#A1B845

accent

#E840C6

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311C85

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

Preview Lab → · Contrast checker → · Palette generator →