#811BBB#811BBB

#811BBB is a mid, highly saturated violet. Relative luminance 0.090; OKLCH L 47.9% C 0.226 H 308.3°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#811BBB
RGB	rgb(129, 27, 187)
HSL	hsl(278, 75%, 42%)
HSV	hsv(278, 86%, 73%)
CMYK	cmyk(31%, 85.6%, 0%, 26.7%)
CIE-LAB	lab(36.06, 64.92, -62.22)
CIE-LCH	lch(36.06, 89.92, 316.21°)
OKLab	oklab(47.87% 0.1398 -0.1771)
OKLCH	oklch(47.87% 0.226 308.3)
XYZ	xyz(18.4129, 9.0392, 47.7788)
Luminance	0.0904 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#811BBB #55BB1B

analogous

#311BBB #811BBB #BB1BA5

triadic

#811BBB #BB811B #1BBB81

tetradic

#811BBB #BB311B #55BB1B #1BA5BB

square

#811BBB #BB311B #55BB1B #1BA5BB

split-complementary

#811BBB #A5BB1B #1BBB31

monochromatic

#370C50 #5C1386 #811BBB #A232E1 #BA67E9

Accessibility & contrast

On white

7.48

#811BBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#811BBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811BBB

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##811BBB	#FFFFFF	#000000	##FFFFFF
##811BBB	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BF

Deuteranopia (green-blind)

#0056B8

Tritanopia (blue-blind)

#77496F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #811bbb;
/* rgb */ color: rgb(129, 27, 187);
/* oklch */ color: oklch(47.9% 0.226 308.3);

Tailwind

colors: {
  custom: {
    50: '#ac68d0',
    500: '#811bbb',
    950: '#000000',
  },
}

SCSS

$custom: #811bbb;
$custom-light: #ac68d0;
$custom-dark: #000000;

JSON

{
  "hex": "#811bbb",
  "rgb": {
    "r": 129,
    "g": 27,
    "b": 187
  },
  "hsl": {
    "h": 278.25,
    "s": 74.766,
    "l": 41.961
  },
  "oklch": {
    "l": 0.47871,
    "c": 0.22557,
    "h": 308.3
  },
  "luminance": 0.09039
}

Semantic roles & 50–950 ramp

primary

#811BBB

secondary

#8ACE63

accent

#F1367A

background

#FBF6FC

surface

#F6EBF9

border

#D0C6D2

text

#110714

muted

#807A82

Preview Lab

Preview with #811BBB

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

Preview Lab → · Contrast checker → · Palette generator →