#311D89#311D89

#311D89 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 34.0% C 0.166 H 281.4°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#311D89
RGB	rgb(49, 29, 137)
HSL	hsl(251, 65%, 33%)
HSV	hsv(251, 79%, 54%)
CMYK	cmyk(64.2%, 78.8%, 0%, 46.3%)
CIE-LAB	lab(21.35, 40.51, -56.38)
CIE-LCH	lch(21.35, 69.43, 305.69°)
OKLab	oklab(34% 0.0329 -0.1627)
OKLCH	oklch(34% 0.166 281.4)
XYZ	xyz(6.2199, 3.3374, 23.9785)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311D89 #75891D

analogous

#1D3F89 #311D89 #671D89

triadic

#311D89 #89311D #1D8931

tetradic

#311D89 #891D3F #75891D #1D8967

square

#311D89 #891D3F #75891D #1D8967

split-complementary

#311D89 #89671D #3F891D

monochromatic

#0D0824 #1F1256 #311D89 #4328BC #6348D8

Accessibility & contrast

On white

12.59

#311D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#311D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311D89

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311D89	#FFFFFF	#000000	##FFFFFF
##311D89	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378C

Deuteranopia (green-blind)

#002F87

Tritanopia (blue-blind)

#003D52

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #311d89;
/* rgb */ color: rgb(49, 29, 137);
/* oklch */ color: oklch(34.0% 0.166 281.4);

Tailwind

colors: {
  custom: {
    50: '#765cad',
    500: '#311d89',
    950: '#000000',
  },
}

SCSS

$custom: #311d89;
$custom-light: #765cad;
$custom-dark: #000000;

JSON

{
  "hex": "#311d89",
  "rgb": {
    "r": 49,
    "g": 29,
    "b": 137
  },
  "hsl": {
    "h": 251.111,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33996,
    "c": 0.16597,
    "h": 281.4
  },
  "luminance": 0.03338
}

Semantic roles & 50–950 ramp

primary

#311D89

secondary

#A5BA47

accent

#E840C9

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311D89

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

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