#81309B#81309B

#81309B is a mid, vivid purple. Relative luminance 0.091; OKLCH L 47.3% C 0.175 H 316.8°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#81309B
RGB	rgb(129, 48, 155)
HSL	hsl(285, 53%, 40%)
HSV	hsv(285, 69%, 61%)
CMYK	cmyk(16.8%, 69%, 0%, 39.2%)
CIE-LAB	lab(36.27, 50.93, -42.75)
CIE-LCH	lch(36.27, 66.50, 319.99°)
OKLab	oklab(47.28% 0.1279 -0.12)
OKLCH	oklch(47.28% 0.175 316.8)
XYZ	xyz(16.0257, 9.1482, 31.9256)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81309B #4A9B30

analogous

#4C309B #81309B #9B307F

triadic

#81309B #9B8130 #309B81

tetradic

#81309B #9B4C30 #4A9B30 #307F9B

square

#81309B #9B4C30 #4A9B30 #307F9B

split-complementary

#81309B #7F9B30 #309B4C

monochromatic

#33133E #5A226C #81309B #A543C5 #BC72D3

Accessibility & contrast

On white

7.42

#81309B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#81309B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #81309B

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81309B	#FFFFFF	#000000	##FFFFFF
##81309B	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509E

Deuteranopia (green-blind)

#325898

Tritanopia (blue-blind)

#804562

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #81309b;
/* rgb */ color: rgb(129, 48, 155);
/* oklch */ color: oklch(47.3% 0.175 316.8);

Tailwind

colors: {
  custom: {
    50: '#a96fb9',
    500: '#81309b',
    950: '#000000',
  },
}

SCSS

$custom: #81309b;
$custom-light: #a96fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#81309b",
  "rgb": {
    "r": 129,
    "g": 48,
    "b": 155
  },
  "hsl": {
    "h": 285.421,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47282,
    "c": 0.17539,
    "h": 316.8
  },
  "luminance": 0.09148
}

Semantic roles & 50–950 ramp

primary

#81309B

secondary

#7FBB6C

accent

#DC4C6F

background

#FAF6FB

surface

#F4ECF6

border

#CEC7D0

text

#100811

muted

#7F7B80

Preview Lab

Preview with #81309B

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

Preview Lab → · Contrast checker → · Palette generator →