#511A77#511A77

#511A77 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.6% C 0.150 H 307.2°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#511A77
RGB	rgb(81, 26, 119)
HSL	hsl(275, 64%, 28%)
HSV	hsv(275, 78%, 47%)
CMYK	cmyk(31.9%, 78.2%, 0%, 53.3%)
CIE-LAB	lab(23.07, 42.10, -42.03)
CIE-LCH	lch(23.07, 59.49, 315.05°)
OKLab	oklab(35.57% 0.0905 -0.1194)
OKLCH	oklch(35.57% 0.15 307.2)
XYZ	xyz(7.0918, 3.8201, 17.8129)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A77 #40771A

analogous

#221A77 #511A77 #771A6E

triadic

#511A77 #77511A #1A7751

tetradic

#511A77 #77221A #40771A #1A6E77

square

#511A77 #77221A #40771A #1A6E77

split-complementary

#511A77 #6E771A #1A7722

monochromatic

#110519 #2F0F45 #511A77 #7325A9 #9438D3

Accessibility & contrast

On white

11.90

#511A77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#511A77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A77

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A77	#FFFFFF	#000000	##FFFFFF
##511A77	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357A

Deuteranopia (green-blind)

#003775

Tritanopia (blue-blind)

#4B3147

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511a77;
/* rgb */ color: rgb(81, 26, 119);
/* oklch */ color: oklch(35.6% 0.150 307.2);

Tailwind

colors: {
  custom: {
    50: '#865d9f',
    500: '#511a77',
    950: '#000000',
  },
}

SCSS

$custom: #511a77;
$custom-light: #865d9f;
$custom-dark: #000000;

JSON

{
  "hex": "#511a77",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 119
  },
  "hsl": {
    "h": 275.484,
    "s": 64.138,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35571,
    "c": 0.14985,
    "h": 307.2
  },
  "luminance": 0.0382
}

Semantic roles & 50–950 ramp

primary

#511A77

secondary

#6DAC41

accent

#E74185

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040E

muted

#7D797E

Preview Lab

Preview with #511A77

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

Preview Lab → · Contrast checker → · Palette generator →