#31105D#31105D

#31105D is a dark, vivid violet. Relative luminance 0.018; OKLCH L 27.8% C 0.126 H 296.7°. Best body text is #FFFFFF at 15.41:1 contrast (WCAG AA passes).

Color values

HEX	#31105D
RGB	rgb(49, 16, 93)
HSL	hsl(266, 71%, 21%)
HSV	hsv(266, 83%, 36%)
CMYK	cmyk(47.3%, 82.8%, 0%, 63.5%)
CIE-LAB	lab(14.48, 33.81, -39.23)
CIE-LCH	lch(14.48, 51.79, 310.76°)
OKLab	oklab(27.81% 0.0564 -0.1124)
OKLCH	oklch(27.81% 0.126 296.7)
XYZ	xyz(3.4272, 1.8138, 10.5233)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.28

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31105D #3C5D10

analogous

#10165D #31105D #58105D

triadic

#31105D #5D3110 #105D31

tetradic

#31105D #5D1016 #3C5D10 #105D58

square

#31105D #5D1016 #3C5D10 #105D58

split-complementary

#31105D #5D5810 #165D10

monochromatic

#0E041A #150729 #31105D #4D1991 #6822C5

Accessibility & contrast

On white

15.41

#31105D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#31105D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31105D

15.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31105D	#FFFFFF	#000000	##FFFFFF
##31105D	1.00	15.41	1.36	15.41
#FFFFFF	15.41	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255F

Deuteranopia (green-blind)

#00245C

Tritanopia (blue-blind)

#252536

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #31105d;
/* rgb */ color: rgb(49, 16, 93);
/* oklch */ color: oklch(27.8% 0.126 296.7);

Tailwind

colors: {
  custom: {
    50: '#6f528c',
    500: '#31105d',
    950: '#000000',
  },
}

SCSS

$custom: #31105d;
$custom-light: #6f528c;
$custom-dark: #000000;

JSON

{
  "hex": "#31105d",
  "rgb": {
    "r": 49,
    "g": 16,
    "b": 93
  },
  "hsl": {
    "h": 265.714,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.27809,
    "c": 0.12575,
    "h": 296.7
  },
  "luminance": 0.01814
}

Semantic roles & 50–950 ramp

primary

#31105D

secondary

#6B9633

accent

#ED3AA1

background

#F6F4F8

surface

#ECE7F0

border

#C7C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #31105D

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

Preview Lab → · Contrast checker → · Palette generator →