#311564#311564

#311564 is a dark, vivid violet. Relative luminance 0.021; OKLCH L 29.1% C 0.129 H 292.8°. Best body text is #FFFFFF at 14.77:1 contrast (WCAG AA passes).

Color values

HEX	#311564
RGB	rgb(49, 21, 100)
HSL	hsl(261, 65%, 24%)
HSV	hsv(261, 79%, 39%)
CMYK	cmyk(51%, 79%, 0%, 60.8%)
CIE-LAB	lab(16.05, 33.33, -41.31)
CIE-LCH	lch(16.05, 53.09, 308.90°)
OKLab	oklab(29.12% 0.0497 -0.1185)
OKLCH	oklch(29.12% 0.129 292.8)
XYZ	xyz(3.8344, 2.1093, 12.2592)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311564 #486415

analogous

#152064 #311564 #581564

triadic

#311564 #643115 #156431

tetradic

#311564 #641520 #486415 #156458

square

#311564 #641520 #486415 #156458

split-complementary

#311564 #645815 #206415

monochromatic

#0C0519 #180A31 #311564 #4A2097 #632AC9

Accessibility & contrast

On white

14.77

#311564 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#311564 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311564

14.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311564	#FFFFFF	#000000	##FFFFFF
##311564	1.00	14.77	1.42	14.77
#FFFFFF	14.77	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002966

Deuteranopia (green-blind)

#002662

Tritanopia (blue-blind)

#212A3B

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #311564;
/* rgb */ color: rgb(49, 21, 100);
/* oklch */ color: oklch(29.1% 0.129 292.8);

Tailwind

colors: {
  custom: {
    50: '#6f5691',
    500: '#311564',
    950: '#000000',
  },
}

SCSS

$custom: #311564;
$custom-light: #6f5691;
$custom-dark: #000000;

JSON

{
  "hex": "#311564",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 100
  },
  "hsl": {
    "h": 261.266,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.29124,
    "c": 0.12853,
    "h": 292.8
  },
  "luminance": 0.02109
}

Semantic roles & 50–950 ramp

primary

#311564

secondary

#799B3A

accent

#E840AC

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08030D

muted

#7B787E

Preview Lab

Preview with #311564

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

Preview Lab → · Contrast checker → · Palette generator →