#311566#311566

#311566 is a dark, vivid violet. Relative luminance 0.021; OKLCH L 29.3% C 0.131 H 292.0°. Best body text is #FFFFFF at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#311566
RGB	rgb(49, 21, 102)
HSL	hsl(261, 66%, 24%)
HSV	hsv(261, 79%, 40%)
CMYK	cmyk(52%, 79.4%, 0%, 60%)
CIE-LAB	lab(16.25, 33.93, -42.31)
CIE-LCH	lch(16.25, 54.24, 308.73°)
OKLab	oklab(29.32% 0.0492 -0.1214)
OKLCH	oklch(29.32% 0.131 292)
XYZ	xyz(3.9324, 2.1485, 12.7753)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311566 #4A6615

analogous

#152166 #311566 #5A1566

triadic

#311566 #663115 #156631

tetradic

#311566 #661521 #4A6615 #15665A

square

#311566 #661521 #4A6615 #15665A

split-complementary

#311566 #665A15 #216615

monochromatic

#0C0519 #190B33 #311566 #491F99 #622ACC

Accessibility & contrast

On white

14.69

#311566 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#311566 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311566

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311566	#FFFFFF	#000000	##FFFFFF
##311566	1.00	14.69	1.43	14.69
#FFFFFF	14.69	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002968

Deuteranopia (green-blind)

#002764

Tritanopia (blue-blind)

#202B3C

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #311566;
/* rgb */ color: rgb(49, 21, 102);
/* oklch */ color: oklch(29.3% 0.131 292.0);

Tailwind

colors: {
  custom: {
    50: '#705692',
    500: '#311566',
    950: '#000000',
  },
}

SCSS

$custom: #311566;
$custom-light: #705692;
$custom-dark: #000000;

JSON

{
  "hex": "#311566",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 102
  },
  "hsl": {
    "h": 260.741,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.29324,
    "c": 0.13102,
    "h": 292
  },
  "luminance": 0.02149
}

Semantic roles & 50–950 ramp

primary

#311566

secondary

#7B9D3A

accent

#E93FAE

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08030D

muted

#7B787E

Preview Lab

Preview with #311566

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

Preview Lab → · Contrast checker → · Palette generator →