#511E88#511E88

#511E88 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.5% C 0.164 H 300.3°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#511E88
RGB	rgb(81, 30, 136)
HSL	hsl(269, 64%, 33%)
HSV	hsv(269, 78%, 53%)
CMYK	cmyk(40.4%, 77.9%, 0%, 46.7%)
CIE-LAB	lab(25.12, 44.58, -49.42)
CIE-LCH	lch(25.12, 66.56, 312.05°)
OKLab	oklab(37.47% 0.0826 -0.1412)
OKLCH	oklch(37.47% 0.164 300.3)
XYZ	xyz(8.3004, 4.4554, 23.7104)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E88 #55881E

analogous

#1E2088 #511E88 #861E88

triadic

#511E88 #88511E #1E8851

tetradic

#511E88 #881E20 #55881E #1E8886

square

#511E88 #881E20 #55881E #1E8886

split-complementary

#511E88 #88861E #20881E

monochromatic

#150824 #331356 #511E88 #6F29BA #8E49D7

Accessibility & contrast

On white

11.11

#511E88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#511E88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E88

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E88	#FFFFFF	#000000	##FFFFFF
##511E88	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8B

Deuteranopia (green-blind)

#003B86

Tritanopia (blue-blind)

#443A52

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #511e88;
/* rgb */ color: rgb(81, 30, 136);
/* oklch */ color: oklch(37.5% 0.164 300.3);

Tailwind

colors: {
  custom: {
    50: '#8860ac',
    500: '#511e88',
    950: '#000000',
  },
}

SCSS

$custom: #511e88;
$custom-light: #8860ac;
$custom-dark: #000000;

JSON

{
  "hex": "#511e88",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 136
  },
  "hsl": {
    "h": 268.868,
    "s": 63.855,
    "l": 32.549
  },
  "oklch": {
    "l": 0.37466,
    "c": 0.16357,
    "h": 300.3
  },
  "luminance": 0.04455
}

Semantic roles & 50–950 ramp

primary

#511E88

secondary

#83B949

accent

#E74197

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511E88

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

Preview Lab → · Contrast checker → · Palette generator →