#511E87#511E87

#511E87 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.4% C 0.162 H 300.7°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#511E87
RGB	rgb(81, 30, 135)
HSL	hsl(269, 64%, 32%)
HSV	hsv(269, 78%, 53%)
CMYK	cmyk(40%, 77.8%, 0%, 47.1%)
CIE-LAB	lab(25.04, 44.32, -48.94)
CIE-LCH	lch(25.04, 66.03, 312.16°)
OKLab	oklab(37.38% 0.0828 -0.1398)
OKLCH	oklch(37.38% 0.162 300.7)
XYZ	xyz(8.2297, 4.4271, 23.3379)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.96

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E87 #54871E

analogous

#1E2087 #511E87 #861E87

triadic

#511E87 #87511E #1E8751

tetradic

#511E87 #871E20 #54871E #1E8786

square

#511E87 #871E20 #54871E #1E8786

split-complementary

#511E87 #87861E #20871E

monochromatic

#150823 #331355 #511E87 #6F29B9 #8E49D7

Accessibility & contrast

On white

11.14

#511E87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#511E87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E87

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E87	#FFFFFF	#000000	##FFFFFF
##511E87	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8A

Deuteranopia (green-blind)

#003B85

Tritanopia (blue-blind)

#453951

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #511e87;
/* rgb */ color: rgb(81, 30, 135);
/* oklch */ color: oklch(37.4% 0.162 300.7);

Tailwind

colors: {
  custom: {
    50: '#8760ab',
    500: '#511e87',
    950: '#000000',
  },
}

SCSS

$custom: #511e87;
$custom-light: #8760ab;
$custom-dark: #000000;

JSON

{
  "hex": "#511e87",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 135
  },
  "hsl": {
    "h": 269.143,
    "s": 63.636,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37377,
    "c": 0.16248,
    "h": 300.7
  },
  "luminance": 0.04427
}

Semantic roles & 50–950 ramp

primary

#511E87

secondary

#82B948

accent

#E74196

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511E87

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

Preview Lab → · Contrast checker → · Palette generator →