#311E83#311E83

#311E83 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.5% C 0.157 H 282.4°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#311E83
RGB	rgb(49, 30, 131)
HSL	hsl(251, 63%, 32%)
HSV	hsv(251, 77%, 51%)
CMYK	cmyk(62.6%, 77.1%, 0%, 48.6%)
CIE-LAB	lab(20.90, 38.08, -53.35)
CIE-LCH	lch(20.90, 65.54, 305.52°)
OKLab	oklab(33.5% 0.0338 -0.1538)
OKLCH	oklch(33.5% 0.157 282.4)
XYZ	xyz(5.8264, 3.2198, 21.7828)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E83 #70831E

analogous

#1E3E83 #311E83 #641E83

triadic

#311E83 #83311E #1E8331

tetradic

#311E83 #831E3E #70831E #1E8364

square

#311E83 #831E3E #70831E #1E8364

split-complementary

#311E83 #83641E #3E831E

monochromatic

#0C071F #1E1351 #311E83 #4429B5 #6147D5

Accessibility & contrast

On white

12.77

#311E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#311E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E83

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E83	#FFFFFF	#000000	##FFFFFF
##311E83	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003686

Deuteranopia (green-blind)

#002F81

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #311e83;
/* rgb */ color: rgb(49, 30, 131);
/* oklch */ color: oklch(33.5% 0.157 282.4);

Tailwind

colors: {
  custom: {
    50: '#745ca8',
    500: '#311e83',
    950: '#000000',
  },
}

SCSS

$custom: #311e83;
$custom-light: #745ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#311e83",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 131
  },
  "hsl": {
    "h": 251.287,
    "s": 62.733,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33495,
    "c": 0.15748,
    "h": 282.4
  },
  "luminance": 0.0322
}

Semantic roles & 50–950 ramp

primary

#311E83

secondary

#A1B647

accent

#E642C7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311E83

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

Preview Lab → · Contrast checker → · Palette generator →