#511DD3#511DD3

#511DD3 is a dark, highly saturated violet. Relative luminance 0.073; OKLCH L 44.8% C 0.244 H 283.6°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#511DD3
RGB	rgb(81, 29, 211)
HSL	hsl(257, 76%, 47%)
HSV	hsv(257, 86%, 83%)
CMYK	cmyk(61.6%, 86.3%, 0%, 17.3%)
CIE-LAB	lab(32.55, 64.43, -82.25)
CIE-LCH	lch(32.55, 104.48, 308.07°)
OKLab	oklab(44.84% 0.0572 -0.2371)
OKLCH	oklch(44.84% 0.244 283.6)
XYZ	xyz(15.5869, 7.3301, 62.2089)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511DD3 #9FD31D

analogous

#1D44D3 #511DD3 #AC1DD3

triadic

#511DD3 #D3511D #1DD351

tetradic

#511DD3 #D31D44 #9FD31D #1DD3AC

square

#511DD3 #D31D44 #9FD31D #1DD3AC

split-complementary

#511DD3 #D3AC1D #44D31D

monochromatic

#280E67 #3C169D #511DD3 #7547E6 #9D7DED

Accessibility & contrast

On white

8.52

#511DD3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#511DD3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511DD3

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511DD3	#FFFFFF	#000000	##FFFFFF
##511DD3	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052D8

Deuteranopia (green-blind)

#0047D0

Tritanopia (blue-blind)

#005A7D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #511dd3;
/* rgb */ color: rgb(81, 29, 211);
/* oklch */ color: oklch(44.8% 0.244 283.6);

Tailwind

colors: {
  custom: {
    50: '#9364e2',
    500: '#511dd3',
    950: '#000000',
  },
}

SCSS

$custom: #511dd3;
$custom-light: #9364e2;
$custom-dark: #000000;

JSON

{
  "hex": "#511dd3",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 211
  },
  "hsl": {
    "h": 257.143,
    "s": 75.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44839,
    "c": 0.24393,
    "h": 283.6
  },
  "luminance": 0.07331
}

Semantic roles & 50–950 ramp

primary

#511DD3

secondary

#BAD577

accent

#F235BC

background

#F9F6FE

surface

#F2EBFC

border

#CCC6D5

text

#0F0616

muted

#7E7A84

Preview Lab

Preview with #511DD3

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

Preview Lab → · Contrast checker → · Palette generator →