#31108D#31108D

#31108D is a dark, vivid violet. Relative luminance 0.029; OKLCH L 33.1% C 0.181 H 282.2°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#31108D
RGB	rgb(49, 16, 141)
HSL	hsl(256, 80%, 31%)
HSV	hsv(256, 89%, 55%)
CMYK	cmyk(65.2%, 88.7%, 0%, 44.7%)
CIE-LAB	lab(19.83, 47.47, -61.40)
CIE-LCH	lch(19.83, 77.61, 307.71°)
OKLab	oklab(33.08% 0.0382 -0.1771)
OKLCH	oklch(33.08% 0.181 282.2)
XYZ	xyz(6.2581, 2.9462, 25.4330)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31108D #6C8D10

analogous

#102D8D #31108D #6F108D

triadic

#31108D #8D3110 #108D31

tetradic

#31108D #8D102D #6C8D10 #108D6F

square

#31108D #8D102D #6C8D10 #108D6F

split-complementary

#31108D #8D6F10 #2D8D10

monochromatic

#0B041F #1E0A56 #31108D #4416C4 #6030E7

Accessibility & contrast

On white

13.21

#31108D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#31108D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31108D

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31108D	#FFFFFF	#000000	##FFFFFF
##31108D	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003490

Deuteranopia (green-blind)

#002C8B

Tritanopia (blue-blind)

#003A52

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #31108d;
/* rgb */ color: rgb(49, 16, 141);
/* oklch */ color: oklch(33.1% 0.181 282.2);

Tailwind

colors: {
  custom: {
    50: '#7756b0',
    500: '#31108d',
    950: '#000000',
  },
}

SCSS

$custom: #31108d;
$custom-light: #7756b0;
$custom-dark: #000000;

JSON

{
  "hex": "#31108d",
  "rgb": {
    "r": 49,
    "g": 16,
    "b": 141
  },
  "hsl": {
    "h": 255.84,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3308,
    "c": 0.18117,
    "h": 282.2
  },
  "luminance": 0.02947
}

Semantic roles & 50–950 ramp

primary

#31108D

secondary

#9DC237

accent

#F632C2

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0311

muted

#7C7880

Preview Lab

Preview with #31108D

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

Preview Lab → · Contrast checker → · Palette generator →