#311F76#311F76

#311F76 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.3% C 0.140 H 285.0°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#311F76
RGB	rgb(49, 31, 118)
HSL	hsl(252, 58%, 29%)
HSV	hsv(252, 74%, 46%)
CMYK	cmyk(58.5%, 73.7%, 0%, 53.7%)
CIE-LAB	lab(19.80, 33.34, -46.88)
CIE-LCH	lch(19.80, 57.52, 305.42°)
OKLab	oklab(32.32% 0.0361 -0.1349)
OKLCH	oklch(32.32% 0.14 285)
XYZ	xyz(5.0256, 2.9407, 17.4388)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311F76 #64761F

analogous

#1F3976 #311F76 #5D1F76

triadic

#311F76 #76311F #1F7631

tetradic

#311F76 #761F39 #64761F #1F765D

square

#311F76 #761F39 #64761F #1F765D

split-complementary

#311F76 #765D1F #39761F

monochromatic

#0A0618 #1D1246 #311F76 #452CA6 #5F42CD

Accessibility & contrast

On white

13.22

#311F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#311F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311F76

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311F76	#FFFFFF	#000000	##FFFFFF
##311F76	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003279

Deuteranopia (green-blind)

#002D74

Tritanopia (blue-blind)

#103648

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #311f76;
/* rgb */ color: rgb(49, 31, 118);
/* oklch */ color: oklch(32.3% 0.140 285.0);

Tailwind

colors: {
  custom: {
    50: '#725c9e',
    500: '#311f76',
    950: '#000000',
  },
}

SCSS

$custom: #311f76;
$custom-light: #725c9e;
$custom-dark: #000000;

JSON

{
  "hex": "#311f76",
  "rgb": {
    "r": 49,
    "g": 31,
    "b": 118
  },
  "hsl": {
    "h": 252.414,
    "s": 58.389,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32321,
    "c": 0.13964,
    "h": 285
  },
  "luminance": 0.02941
}

Semantic roles & 50–950 ramp

primary

#311F76

secondary

#95AA47

accent

#E246C1

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #311F76

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

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