#511E90#511E90

#511E90 is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.2% C 0.172 H 297.8°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#511E90
RGB	rgb(81, 30, 144)
HSL	hsl(267, 66%, 34%)
HSV	hsv(267, 79%, 56%)
CMYK	cmyk(43.8%, 79.2%, 0%, 43.5%)
CIE-LAB	lab(25.84, 46.64, -53.23)
CIE-LCH	lch(25.84, 70.77, 311.22°)
OKLab	oklab(38.19% 0.0804 -0.1524)
OKLCH	oklch(38.19% 0.172 297.8)
XYZ	xyz(8.8903, 4.6913, 26.8173)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E90 #5D901E

analogous

#1E2490 #511E90 #8A1E90

triadic

#511E90 #90511E #1E9051

tetradic

#511E90 #901E24 #5D901E #1E908A

square

#511E90 #901E24 #5D901E #1E908A

split-complementary

#511E90 #908A1E #24901E

monochromatic

#18092B #35135D #511E90 #6D29C3 #8D4EDA

Accessibility & contrast

On white

10.83

#511E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#511E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E90

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E90	#FFFFFF	#000000	##FFFFFF
##511E90	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D93

Deuteranopia (green-blind)

#003C8E

Tritanopia (blue-blind)

#413D56

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #511e90;
/* rgb */ color: rgb(81, 30, 144);
/* oklch */ color: oklch(38.2% 0.172 297.8);

Tailwind

colors: {
  custom: {
    50: '#8860b1',
    500: '#511e90',
    950: '#000000',
  },
}

SCSS

$custom: #511e90;
$custom-light: #8860b1;
$custom-dark: #000000;

JSON

{
  "hex": "#511e90",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 144
  },
  "hsl": {
    "h": 266.842,
    "s": 65.517,
    "l": 34.118
  },
  "oklch": {
    "l": 0.38185,
    "c": 0.17228,
    "h": 297.8
  },
  "luminance": 0.04691
}

Semantic roles & 50–950 ramp

primary

#511E90

secondary

#8BBD4D

accent

#E83F9D

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0C0511

muted

#7D7980

Preview Lab

Preview with #511E90

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

Preview Lab → · Contrast checker → · Palette generator →