#811BB4#811BB4

#811BB4 is a mid, highly saturated purple. Relative luminance 0.087; OKLCH L 47.3% C 0.220 H 310.2°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#811BB4
RGB	rgb(129, 27, 180)
HSL	hsl(280, 74%, 41%)
HSV	hsv(280, 85%, 71%)
CMYK	cmyk(28.3%, 85%, 0%, 29.4%)
CIE-LAB	lab(35.49, 63.48, -59.00)
CIE-LCH	lch(35.49, 86.67, 317.09°)
OKLab	oklab(47.3% 0.1418 -0.1676)
OKLCH	oklch(47.3% 0.22 310.2)
XYZ	xyz(17.6818, 8.7467, 43.9280)
Luminance	0.0875 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#811BB4 #4EB41B

analogous

#341BB4 #811BB4 #B41B9A

triadic

#811BB4 #B4811B #1BB481

tetradic

#811BB4 #B4341B #4EB41B #1B9AB4

square

#811BB4 #B4341B #4EB41B #1B9AB4

split-complementary

#811BB4 #9AB41B #1BB434

monochromatic

#350B4A #5B137F #811BB4 #A42DDF #BB62E7

Accessibility & contrast

On white

7.64

#811BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#811BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811BB4

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##811BB4	#FFFFFF	#000000	##FFFFFF
##811BB4	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB8

Deuteranopia (green-blind)

#0055B1

Tritanopia (blue-blind)

#7A456B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #811bb4;
/* rgb */ color: rgb(129, 27, 180);
/* oklch */ color: oklch(47.3% 0.220 310.2);

Tailwind

colors: {
  custom: {
    50: '#ab67cb',
    500: '#811bb4',
    950: '#000000',
  },
}

SCSS

$custom: #811bb4;
$custom-light: #ab67cb;
$custom-dark: #000000;

JSON

{
  "hex": "#811bb4",
  "rgb": {
    "r": 129,
    "g": 27,
    "b": 180
  },
  "hsl": {
    "h": 280,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.47301,
    "c": 0.21954,
    "h": 310.2
  },
  "luminance": 0.08746
}

Semantic roles & 50–950 ramp

primary

#811BB4

secondary

#83CC5F

accent

#F13775

background

#FBF6FC

surface

#F6EBF9

border

#D0C6D2

text

#110713

muted

#807A82

Preview Lab

Preview with #811BB4

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

Preview Lab → · Contrast checker → · Palette generator →