#311D85#311D85

#311D85 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.161 H 282.2°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#311D85
RGB	rgb(49, 29, 133)
HSL	hsl(252, 64%, 32%)
HSV	hsv(252, 78%, 52%)
CMYK	cmyk(63.2%, 78.2%, 0%, 47.8%)
CIE-LAB	lab(20.92, 39.25, -54.57)
CIE-LCH	lch(20.92, 67.23, 305.73°)
OKLab	oklab(33.57% 0.034 -0.1574)
OKLCH	oklch(33.57% 0.161 282.2)
XYZ	xyz(5.9383, 3.2247, 22.4953)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311D85 #71851D

analogous

#1D3D85 #311D85 #651D85

triadic

#311D85 #85311D #1D8531

tetradic

#311D85 #851D3D #71851D #1D8565

square

#311D85 #851D3D #71851D #1D8565

split-complementary

#311D85 #85651D #3D851D

monochromatic

#0C0721 #1E1253 #311D85 #4428B7 #6246D7

Accessibility & contrast

On white

12.77

#311D85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#311D85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311D85

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311D85	#FFFFFF	#000000	##FFFFFF
##311D85	1.00	12.77	1.65	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003688

Deuteranopia (green-blind)

#002F83

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #311d85;
/* rgb */ color: rgb(49, 29, 133);
/* oklch */ color: oklch(33.6% 0.161 282.2);

Tailwind

colors: {
  custom: {
    50: '#755caa',
    500: '#311d85',
    950: '#000000',
  },
}

SCSS

$custom: #311d85;
$custom-light: #755caa;
$custom-dark: #000000;

JSON

{
  "hex": "#311d85",
  "rgb": {
    "r": 49,
    "g": 29,
    "b": 133
  },
  "hsl": {
    "h": 251.538,
    "s": 64.198,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33571,
    "c": 0.16101,
    "h": 282.2
  },
  "luminance": 0.03225
}

Semantic roles & 50–950 ramp

primary

#311D85

secondary

#A2B846

accent

#E741C7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311D85

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

Preview Lab → · Contrast checker → · Palette generator →