#311E82#311E82

#311E82 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.4% C 0.156 H 282.6°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#311E82
RGB	rgb(49, 30, 130)
HSL	hsl(251, 63%, 31%)
HSV	hsv(251, 77%, 51%)
CMYK	cmyk(62.3%, 76.9%, 0%, 49%)
CIE-LAB	lab(20.80, 37.76, -52.88)
CIE-LCH	lch(20.80, 64.98, 305.53°)
OKLab	oklab(33.39% 0.0341 -0.1525)
OKLCH	oklch(33.39% 0.156 282.6)
XYZ	xyz(5.7589, 3.1928, 21.4276)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E82 #6F821E

analogous

#1E3D82 #311E82 #631E82

triadic

#311E82 #82311E #1E8231

tetradic

#311E82 #821E3D #6F821E #1E8263

square

#311E82 #821E3D #6F821E #1E8263

split-complementary

#311E82 #82631E #3D821E

monochromatic

#0C071F #1E1350 #311E82 #4429B4 #6146D4

Accessibility & contrast

On white

12.82

#311E82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#311E82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E82

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E82	#FFFFFF	#000000	##FFFFFF
##311E82	1.00	12.82	1.64	12.82
#FFFFFF	12.82	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003585

Deuteranopia (green-blind)

#002F80

Tritanopia (blue-blind)

#003A4E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #311e82;
/* rgb */ color: rgb(49, 30, 130);
/* oklch */ color: oklch(33.4% 0.156 282.6);

Tailwind

colors: {
  custom: {
    50: '#745ca7',
    500: '#311e82',
    950: '#000000',
  },
}

SCSS

$custom: #311e82;
$custom-light: #745ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#311e82",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 130
  },
  "hsl": {
    "h": 251.4,
    "s": 62.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33391,
    "c": 0.15622,
    "h": 282.6
  },
  "luminance": 0.03193
}

Semantic roles & 50–950 ramp

primary

#311E82

secondary

#A0B547

accent

#E642C7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311E82

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

Preview Lab → · Contrast checker → · Palette generator →