#511481#511481

#511481 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.9% C 0.166 H 304.0°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#511481
RGB	rgb(81, 20, 129)
HSL	hsl(274, 73%, 29%)
HSV	hsv(274, 84%, 51%)
CMYK	cmyk(37.2%, 84.5%, 0%, 49.4%)
CIE-LAB	lab(23.12, 46.85, -48.30)
CIE-LCH	lch(23.12, 67.29, 314.12°)
OKLab	oklab(35.87% 0.093 -0.1378)
OKLCH	oklch(35.87% 0.166 304)
XYZ	xyz(7.6050, 3.8346, 21.1041)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.50

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511481 #448114

analogous

#1B1481 #511481 #81147B

triadic

#511481 #815114 #148151

tetradic

#511481 #811B14 #448114 #147B81

square

#511481 #811B14 #448114 #147B81

split-complementary

#511481 #7B8114 #14811B

monochromatic

#11041A #300C4C #511481 #721CB6 #9230DF

Accessibility & contrast

On white

11.88

#511481 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#511481 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511481

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511481	#FFFFFF	#000000	##FFFFFF
##511481	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003684

Deuteranopia (green-blind)

#00377F

Tritanopia (blue-blind)

#47324C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511481;
/* rgb */ color: rgb(81, 20, 129);
/* oklch */ color: oklch(35.9% 0.166 304.0);

Tailwind

colors: {
  custom: {
    50: '#875ba6',
    500: '#511481',
    950: '#000000',
  },
}

SCSS

$custom: #511481;
$custom-light: #875ba6;
$custom-dark: #000000;

JSON

{
  "hex": "#511481",
  "rgb": {
    "r": 81,
    "g": 20,
    "b": 129
  },
  "hsl": {
    "h": 273.578,
    "s": 73.154,
    "l": 29.216
  },
  "oklch": {
    "l": 0.35873,
    "c": 0.16625,
    "h": 304
  },
  "luminance": 0.03835
}

Semantic roles & 50–950 ramp

primary

#511481

secondary

#71B63B

accent

#F03889

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #511481

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

Preview Lab → · Contrast checker → · Palette generator →