#831FBB#831FBB

#831FBB is a mid, highly saturated violet. Relative luminance 0.094; OKLCH L 48.4% C 0.223 H 308.9°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#831FBB
RGB	rgb(131, 31, 187)
HSL	hsl(278, 72%, 43%)
HSV	hsv(278, 83%, 73%)
CMYK	cmyk(29.9%, 83.4%, 0%, 26.7%)
CIE-LAB	lab(36.73, 64.13, -61.11)
CIE-LCH	lch(36.73, 88.58, 316.38°)
OKLab	oklab(48.4% 0.14 -0.1738)
OKLCH	oklch(48.4% 0.223 308.9)
XYZ	xyz(18.8178, 9.3935, 47.8259)
Luminance	0.0939 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831FBB #57BB1F

analogous

#351FBB #831FBB #BB1FA5

triadic

#831FBB #BB831F #1FBB83

tetradic

#831FBB #BB351F #57BB1F #1FA5BB

square

#831FBB #BB351F #57BB1F #1FA5BB

split-complementary

#831FBB #A5BB1F #1FBB35

monochromatic

#390E52 #5E1687 #831FBB #A339DE #BB6EE7

Accessibility & contrast

On white

7.30

#831FBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#831FBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831FBB

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831FBB	#FFFFFF	#000000	##FFFFFF
##831FBB	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BF

Deuteranopia (green-blind)

#0057B8

Tritanopia (blue-blind)

#7A4A70

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #831fbb;
/* rgb */ color: rgb(131, 31, 187);
/* oklch */ color: oklch(48.4% 0.223 308.9);

Tailwind

colors: {
  custom: {
    50: '#ad69d0',
    500: '#831fbb',
    950: '#000000',
  },
}

SCSS

$custom: #831fbb;
$custom-light: #ad69d0;
$custom-dark: #000000;

JSON

{
  "hex": "#831fbb",
  "rgb": {
    "r": 131,
    "g": 31,
    "b": 187
  },
  "hsl": {
    "h": 278.462,
    "s": 71.56,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48397,
    "c": 0.22315,
    "h": 308.9
  },
  "luminance": 0.09393
}

Semantic roles & 50–950 ramp

primary

#831FBB

secondary

#8DCD69

accent

#EE3A7A

background

#FBF6FC

surface

#F6ECF9

border

#D0C7D2

text

#110714

muted

#807A82

Preview Lab

Preview with #831FBB

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

Preview Lab → · Contrast checker → · Palette generator →