#511EA1#511EA1

#511EA1 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.8% C 0.191 H 293.2°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#511EA1
RGB	rgb(81, 30, 161)
HSL	hsl(263, 69%, 37%)
HSV	hsv(263, 81%, 63%)
CMYK	cmyk(49.7%, 81.4%, 0%, 36.9%)
CIE-LAB	lab(27.44, 51.06, -61.04)
CIE-LCH	lch(27.44, 79.58, 309.92°)
OKLab	oklab(39.79% 0.075 -0.1752)
OKLCH	oklch(39.79% 0.191 293.2)
XYZ	xyz(10.2888, 5.2507, 34.1827)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511EA1 #6EA11E

analogous

#1E2CA1 #511EA1 #931EA1

triadic

#511EA1 #A1511E #1EA151

tetradic

#511EA1 #A11E2C #6EA11E #1EA193

square

#511EA1 #A11E2C #6EA11E #1EA193

split-complementary

#511EA1 #A1931E #2CA11E

monochromatic

#1D0B3A #37146D #511EA1 #6B28D5 #8E59E0

Accessibility & contrast

On white

10.24

#511EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#511EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511EA1

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511EA1	#FFFFFF	#000000	##FFFFFF
##511EA1	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A5

Deuteranopia (green-blind)

#003E9F

Tritanopia (blue-blind)

#374460

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #511ea1;
/* rgb */ color: rgb(81, 30, 161);
/* oklch */ color: oklch(39.8% 0.191 293.2);

Tailwind

colors: {
  custom: {
    50: '#8b61be',
    500: '#511ea1',
    950: '#000000',
  },
}

SCSS

$custom: #511ea1;
$custom-light: #8b61be;
$custom-dark: #000000;

JSON

{
  "hex": "#511ea1",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 161
  },
  "hsl": {
    "h": 263.359,
    "s": 68.586,
    "l": 37.451
  },
  "oklch": {
    "l": 0.39787,
    "c": 0.19063,
    "h": 293.2
  },
  "luminance": 0.05251
}

Semantic roles & 50–950 ramp

primary

#511EA1

secondary

#99C457

accent

#EB3CA7

background

#F9F6FB

surface

#F1EBF7

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #511EA1

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

Preview Lab → · Contrast checker → · Palette generator →