#731B8B#731B8B

#731B8B is a dark, vivid purple. Relative luminance 0.063; OKLCH L 42.1% C 0.179 H 317.7°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#731B8B
RGB	rgb(115, 27, 139)
HSL	hsl(287, 67%, 33%)
HSV	hsv(287, 81%, 55%)
CMYK	cmyk(17.3%, 80.6%, 0%, 45.5%)
CIE-LAB	lab(30.14, 52.80, -42.91)
CIE-LCH	lch(30.14, 68.03, 320.90°)
OKLab	oklab(42.14% 0.1326 -0.1208)
OKLCH	oklch(42.14% 0.179 317.7)
XYZ	xyz(12.1217, 6.2933, 24.9973)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731B8B #338B1B

analogous

#3B1B8B #731B8B #8B1B6B

triadic

#731B8B #8B731B #1B8B73

tetradic

#731B8B #8B3B1B #338B1B #1B6B8B

square

#731B8B #8B3B1B #338B1B #1B6B8B

split-complementary

#731B8B #6B8B1B #1B8B3B

monochromatic

#1E0725 #491158 #731B8B #9D25BE #BB45DB

Accessibility & contrast

On white

9.30

#731B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#731B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731B8B

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731B8B	#FFFFFF	#000000	##FFFFFF
##731B8B	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428E

Deuteranopia (green-blind)

#1F4A89

Tritanopia (blue-blind)

#723453

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #731b8b;
/* rgb */ color: rgb(115, 27, 139);
/* oklch */ color: oklch(42.1% 0.179 317.7);

Tailwind

colors: {
  custom: {
    50: '#9f63ad',
    500: '#731b8b',
    950: '#000000',
  },
}

SCSS

$custom: #731b8b;
$custom-light: #9f63ad;
$custom-dark: #000000;

JSON

{
  "hex": "#731b8b",
  "rgb": {
    "r": 115,
    "g": 27,
    "b": 139
  },
  "hsl": {
    "h": 287.143,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.42137,
    "c": 0.1794,
    "h": 317.7
  },
  "luminance": 0.06293
}

Semantic roles & 50–950 ramp

primary

#731B8B

secondary

#5FBC45

accent

#EA3D62

background

#FAF6FA

surface

#F4EBF4

border

#CEC6CE

text

#0F0610

muted

#7F7A7F

Preview Lab

Preview with #731B8B

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

Preview Lab → · Contrast checker → · Palette generator →