#511F9A#511F9A

#511F9A is a dark, vivid violet. Relative luminance 0.051; OKLCH L 39.2% C 0.182 H 294.8°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#511F9A
RGB	rgb(81, 31, 154)
HSL	hsl(264, 66%, 36%)
HSV	hsv(264, 80%, 60%)
CMYK	cmyk(47.4%, 79.9%, 0%, 39.6%)
CIE-LAB	lab(26.91, 48.81, -57.63)
CIE-LCH	lch(26.91, 75.53, 310.26°)
OKLab	oklab(39.22% 0.0765 -0.1653)
OKLCH	oklch(39.22% 0.182 294.8)
XYZ	xyz(9.7145, 5.0621, 31.0308)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F9A #689A1F

analogous

#1F2B9A #511F9A #8F1F9A

triadic

#511F9A #9A511F #1F9A51

tetradic

#511F9A #9A1F2B #689A1F #1F9A8F

square

#511F9A #9A1F2B #689A1F #1F9A8F

split-complementary

#511F9A #9A8F1F #2B9A1F

monochromatic

#1B0A34 #361567 #511F9A #6C29CD #8D56DD

Accessibility & contrast

On white

10.44

#511F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#511F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F9A

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F9A	#FFFFFF	#000000	##FFFFFF
##511F9A	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419D

Deuteranopia (green-blind)

#003E98

Tritanopia (blue-blind)

#3C425C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #511f9a;
/* rgb */ color: rgb(81, 31, 154);
/* oklch */ color: oklch(39.2% 0.182 294.8);

Tailwind

colors: {
  custom: {
    50: '#8a61b9',
    500: '#511f9a',
    950: '#000000',
  },
}

SCSS

$custom: #511f9a;
$custom-light: #8a61b9;
$custom-dark: #000000;

JSON

{
  "hex": "#511f9a",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 154
  },
  "hsl": {
    "h": 264.39,
    "s": 66.486,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39218,
    "c": 0.18215,
    "h": 294.8
  },
  "luminance": 0.05062
}

Semantic roles & 50–950 ramp

primary

#511F9A

secondary

#95C154

accent

#E93EA4

background

#F8F6FB

surface

#F0EBF6

border

#CBC6D0

text

#0D0512

muted

#7D7A81

Preview Lab

Preview with #511F9A

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

Preview Lab → · Contrast checker → · Palette generator →