#511AA9#511AA9

#511AA9 is a dark, highly saturated violet. Relative luminance 0.054; OKLCH L 40.2% C 0.202 H 291.7°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#511AA9
RGB	rgb(81, 26, 169)
HSL	hsl(263, 73%, 38%)
HSV	hsv(263, 85%, 66%)
CMYK	cmyk(52.1%, 84.6%, 0%, 33.7%)
CIE-LAB	lab(27.72, 54.66, -65.42)
CIE-LCH	lch(27.72, 85.25, 309.88°)
OKLab	oklab(40.22% 0.0747 -0.188)
OKLCH	oklch(40.22% 0.202 291.7)
XYZ	xyz(10.9221, 5.3523, 37.9860)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511AA9 #72A91A

analogous

#1A2AA9 #511AA9 #981AA9

triadic

#511AA9 #A9511A #1AA951

tetradic

#511AA9 #A91A2A #72A91A #1AA998

square

#511AA9 #A91A2A #72A91A #1AA998

split-complementary

#511AA9 #A9981A #2AA91A

monochromatic

#1E0A3F #381274 #511AA9 #6B23DD #8E58E5

Accessibility & contrast

On white

10.14

#511AA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#511AA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511AA9

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511AA9	#FFFFFF	#000000	##FFFFFF
##511AA9	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AD

Deuteranopia (green-blind)

#003EA7

Tritanopia (blue-blind)

#324664

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #511aa9;
/* rgb */ color: rgb(81, 26, 169);
/* oklch */ color: oklch(40.2% 0.202 291.7);

Tailwind

colors: {
  custom: {
    50: '#8c60c4',
    500: '#511aa9',
    950: '#000000',
  },
}

SCSS

$custom: #511aa9;
$custom-light: #8c60c4;
$custom-dark: #000000;

JSON

{
  "hex": "#511aa9",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 169
  },
  "hsl": {
    "h": 263.077,
    "s": 73.333,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40219,
    "c": 0.20232,
    "h": 291.7
  },
  "luminance": 0.05353
}

Semantic roles & 50–950 ramp

primary

#511AA9

secondary

#9DC956

accent

#F038A9

background

#F9F5FC

surface

#F1EAF8

border

#CBC6D1

text

#0D0513

muted

#7E7982

Preview Lab

Preview with #511AA9

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

Preview Lab → · Contrast checker → · Palette generator →