#311563#311563

#311563 is a dark, vivid violet. Relative luminance 0.021; OKLCH L 29.0% C 0.127 H 293.1°. Best body text is #FFFFFF at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#311563
RGB	rgb(49, 21, 99)
HSL	hsl(262, 65%, 24%)
HSV	hsv(262, 79%, 39%)
CMYK	cmyk(50.5%, 78.8%, 0%, 61.2%)
CIE-LAB	lab(15.95, 33.04, -40.81)
CIE-LCH	lch(15.95, 52.51, 308.99°)
OKLab	oklab(29.03% 0.05 -0.117)
OKLCH	oklch(29.03% 0.127 293.1)
XYZ	xyz(3.7863, 2.0900, 12.0059)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311563 #476315

analogous

#152063 #311563 #581563

triadic

#311563 #633115 #156331

tetradic

#311563 #631520 #476315 #156358

square

#311563 #631520 #476315 #156358

split-complementary

#311563 #635815 #206315

monochromatic

#0C0519 #180A31 #311563 #4A2095 #632AC8

Accessibility & contrast

On white

14.81

#311563 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#311563 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311563

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311563	#FFFFFF	#000000	##FFFFFF
##311563	1.00	14.81	1.42	14.81
#FFFFFF	14.81	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002965

Deuteranopia (green-blind)

#002662

Tritanopia (blue-blind)

#222A3B

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #311563;
/* rgb */ color: rgb(49, 21, 99);
/* oklch */ color: oklch(29.0% 0.127 293.1);

Tailwind

colors: {
  custom: {
    50: '#6f5590',
    500: '#311563',
    950: '#000000',
  },
}

SCSS

$custom: #311563;
$custom-light: #6f5590;
$custom-dark: #000000;

JSON

{
  "hex": "#311563",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 99
  },
  "hsl": {
    "h": 261.538,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.29025,
    "c": 0.12728,
    "h": 293.1
  },
  "luminance": 0.0209
}

Semantic roles & 50–950 ramp

primary

#311563

secondary

#779A3A

accent

#E840AC

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08030D

muted

#7B787D

Preview Lab

Preview with #311563

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

Preview Lab → · Contrast checker → · Palette generator →