#731B9E#731B9E

#731B9E is a dark, vivid purple. Relative luminance 0.069; OKLCH L 43.6% C 0.196 H 310.9°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#731B9E
RGB	rgb(115, 27, 158)
HSL	hsl(280, 71%, 36%)
HSV	hsv(280, 83%, 62%)
CMYK	cmyk(27.2%, 82.9%, 0%, 38%)
CIE-LAB	lab(31.57, 56.67, -52.26)
CIE-LCH	lch(31.57, 77.09, 317.32°)
OKLab	oklab(43.59% 0.1287 -0.1483)
OKLCH	oklch(43.59% 0.196 310.9)
XYZ	xyz(13.6325, 6.8977, 32.9544)
Luminance	0.0690 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731B9E #469E1B

analogous

#311B9E #731B9E #9E1B88

triadic

#731B9E #9E731B #1B9E73

tetradic

#731B9E #9E311B #469E1B #1B889E

square

#731B9E #9E311B #469E1B #1B889E

split-complementary

#731B9E #889E1B #1B9E31

monochromatic

#270935 #4D126A #731B9E #9924D2 #B252E1

Accessibility & contrast

On white

8.83

#731B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#731B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731B9E

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731B9E	#FFFFFF	#000000	##FFFFFF
##731B9E	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A1

Deuteranopia (green-blind)

#004C9B

Tritanopia (blue-blind)

#6D3D5E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #731b9e;
/* rgb */ color: rgb(115, 27, 158);
/* oklch */ color: oklch(43.6% 0.196 310.9);

Tailwind

colors: {
  custom: {
    50: '#a064bb',
    500: '#731b9e',
    950: '#000000',
  },
}

SCSS

$custom: #731b9e;
$custom-light: #a064bb;
$custom-dark: #000000;

JSON

{
  "hex": "#731b9e",
  "rgb": {
    "r": 115,
    "g": 27,
    "b": 158
  },
  "hsl": {
    "h": 280.305,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.43591,
    "c": 0.19631,
    "h": 310.9
  },
  "luminance": 0.06897
}

Semantic roles & 50–950 ramp

primary

#731B9E

secondary

#77C451

accent

#EE3A75

background

#FAF6FB

surface

#F4EBF6

border

#CEC6D0

text

#0F0612

muted

#7F7A81

Preview Lab

Preview with #731B9E

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

Preview Lab → · Contrast checker → · Palette generator →