#511A88#511A88

#511A88 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.168 H 300.9°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#511A88
RGB	rgb(81, 26, 136)
HSL	hsl(270, 68%, 32%)
HSV	hsv(270, 81%, 53%)
CMYK	cmyk(40.4%, 80.9%, 0%, 46.7%)
CIE-LAB	lab(24.53, 46.28, -50.39)
CIE-LCH	lch(24.53, 68.42, 312.57°)
OKLab	oklab(37.05% 0.0861 -0.144)
OKLCH	oklch(37.05% 0.168 300.9)
XYZ	xyz(8.2056, 4.2656, 23.6788)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A88 #51881A

analogous

#1A1A88 #511A88 #881A88

triadic

#511A88 #88511A #1A8851

tetradic

#511A88 #881A1A #51881A #1A8888

square

#511A88 #881A1A #51881A #1A8888

split-complementary

#511A88 #88881A #1A881A

monochromatic

#140621 #321055 #511A88 #7024BB #8E42DB

Accessibility & contrast

On white

11.33

#511A88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#511A88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A88

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A88	#FFFFFF	#000000	##FFFFFF
##511A88	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8B

Deuteranopia (green-blind)

#003A86

Tritanopia (blue-blind)

#443851

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #511a88;
/* rgb */ color: rgb(81, 26, 136);
/* oklch */ color: oklch(37.1% 0.168 300.9);

Tailwind

colors: {
  custom: {
    50: '#885eac',
    500: '#511a88',
    950: '#000000',
  },
}

SCSS

$custom: #511a88;
$custom-light: #885eac;
$custom-dark: #000000;

JSON

{
  "hex": "#511a88",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 136
  },
  "hsl": {
    "h": 270,
    "s": 67.901,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37051,
    "c": 0.16776,
    "h": 300.9
  },
  "luminance": 0.04266
}

Semantic roles & 50–950 ramp

primary

#511A88

secondary

#7FBB43

accent

#EB3D94

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511A88

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

Preview Lab → · Contrast checker → · Palette generator →