#311584#311584

#311584 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.5% C 0.167 H 283.6°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#311584
RGB	rgb(49, 21, 132)
HSL	hsl(255, 73%, 30%)
HSV	hsv(255, 84%, 52%)
CMYK	cmyk(62.9%, 84.1%, 0%, 48.2%)
CIE-LAB	lab(19.45, 42.88, -56.37)
CIE-LCH	lch(19.45, 70.82, 307.26°)
OKLab	oklab(32.52% 0.0393 -0.1625)
OKLCH	oklch(32.52% 0.167 283.6)
XYZ	xyz(5.6984, 2.8549, 22.0761)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311584 #688415

analogous

#153184 #311584 #681584

triadic

#311584 #843115 #158431

tetradic

#311584 #841531 #688415 #158468

square

#311584 #841531 #688415 #158468

split-complementary

#311584 #846815 #318415

monochromatic

#0A041A #1D0D4F #311584 #451DB9 #6035DF

Accessibility & contrast

On white

13.37

#311584 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#311584 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311584

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311584	#FFFFFF	#000000	##FFFFFF
##311584	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003287

Deuteranopia (green-blind)

#002B82

Tritanopia (blue-blind)

#00374E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #311584;
/* rgb */ color: rgb(49, 21, 132);
/* oklch */ color: oklch(32.5% 0.167 283.6);

Tailwind

colors: {
  custom: {
    50: '#7558a9',
    500: '#311584',
    950: '#000000',
  },
}

SCSS

$custom: #311584;
$custom-light: #7558a9;
$custom-dark: #000000;

JSON

{
  "hex": "#311584",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 132
  },
  "hsl": {
    "h": 255.135,
    "s": 72.549,
    "l": 30
  },
  "oklch": {
    "l": 0.32516,
    "c": 0.1672,
    "h": 283.6
  },
  "luminance": 0.02855
}

Semantic roles & 50–950 ramp

primary

#311584

secondary

#99B93C

accent

#EF39C1

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #311584

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

Preview Lab → · Contrast checker → · Palette generator →