#511887#511887

#511887 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.8% C 0.169 H 301.4°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#511887
RGB	rgb(81, 24, 135)
HSL	hsl(271, 70%, 31%)
HSV	hsv(271, 82%, 53%)
CMYK	cmyk(40%, 82.2%, 0%, 47.1%)
CIE-LAB	lab(24.17, 46.83, -50.36)
CIE-LCH	lch(24.17, 68.77, 312.92°)
OKLab	oklab(36.77% 0.088 -0.1439)
OKLCH	oklch(36.77% 0.169 301.4)
XYZ	xyz(8.0921, 4.1518, 23.2920)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.00

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511887 #4E8718

analogous

#1A1887 #511887 #871885

triadic

#511887 #875118 #188751

tetradic

#511887 #871A18 #4E8718 #188587

square

#511887 #871A18 #4E8718 #188587

split-complementary

#511887 #858718 #18871A

monochromatic

#13061F #320F53 #511887 #7021BB #8F3DDC

Accessibility & contrast

On white

11.47

#511887 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#511887 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511887

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511887	#FFFFFF	#000000	##FFFFFF
##511887	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398A

Deuteranopia (green-blind)

#003985

Tritanopia (blue-blind)

#453750

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511887;
/* rgb */ color: rgb(81, 24, 135);
/* oklch */ color: oklch(36.8% 0.169 301.4);

Tailwind

colors: {
  custom: {
    50: '#885dab',
    500: '#511887',
    950: '#000000',
  },
}

SCSS

$custom: #511887;
$custom-light: #885dab;
$custom-dark: #000000;

JSON

{
  "hex": "#511887",
  "rgb": {
    "r": 81,
    "g": 24,
    "b": 135
  },
  "hsl": {
    "h": 270.811,
    "s": 69.811,
    "l": 31.176
  },
  "oklch": {
    "l": 0.3677,
    "c": 0.16867,
    "h": 301.4
  },
  "luminance": 0.04152
}

Semantic roles & 50–950 ramp

primary

#511887

secondary

#7CBB40

accent

#ED3B92

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511887

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

Preview Lab → · Contrast checker → · Palette generator →