#311990#311990

#311990 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.3% C 0.178 H 280.7°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#311990
RGB	rgb(49, 25, 144)
HSL	hsl(252, 70%, 33%)
HSV	hsv(252, 83%, 56%)
CMYK	cmyk(66%, 82.6%, 0%, 43.5%)
CIE-LAB	lab(21.44, 44.63, -60.60)
CIE-LCH	lch(21.44, 75.27, 306.37°)
OKLab	oklab(34.29% 0.033 -0.1749)
OKLCH	oklch(34.29% 0.178 280.7)
XYZ	xyz(6.6467, 3.3613, 26.6787)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311990 #789019

analogous

#193C90 #311990 #6C1990

triadic

#311990 #903119 #199031

tetradic

#311990 #90193C #789019 #19906C

square

#311990 #90193C #789019 #19906C

split-complementary

#311990 #906C19 #3C9019

monochromatic

#0E0728 #1F105C #311990 #4322C4 #6445DF

Accessibility & contrast

On white

12.56

#311990 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#311990 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311990

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311990	#FFFFFF	#000000	##FFFFFF
##311990	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003793

Deuteranopia (green-blind)

#002F8E

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #311990;
/* rgb */ color: rgb(49, 25, 144);
/* oklch */ color: oklch(34.3% 0.178 280.7);

Tailwind

colors: {
  custom: {
    50: '#775ab2',
    500: '#311990',
    950: '#000000',
  },
}

SCSS

$custom: #311990;
$custom-light: #775ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#311990",
  "rgb": {
    "r": 49,
    "g": 25,
    "b": 144
  },
  "hsl": {
    "h": 252.101,
    "s": 70.414,
    "l": 33.137
  },
  "oklch": {
    "l": 0.34287,
    "c": 0.17801,
    "h": 280.7
  },
  "luminance": 0.03362
}

Semantic roles & 50–950 ramp

primary

#311990

secondary

#A7C045

accent

#ED3BC9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311990

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

Preview Lab → · Contrast checker → · Palette generator →