#511EA8#511EA8

#511EA8 is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.5% C 0.198 H 291.5°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#511EA8
RGB	rgb(81, 30, 168)
HSL	hsl(262, 70%, 39%)
HSV	hsv(262, 82%, 66%)
CMYK	cmyk(51.8%, 82.1%, 0%, 34.1%)
CIE-LAB	lab(28.13, 52.90, -64.14)
CIE-LCH	lch(28.13, 83.14, 309.51°)
OKLab	oklab(40.47% 0.0726 -0.1843)
OKLCH	oklch(40.47% 0.198 291.5)
XYZ	xyz(10.9235, 5.5046, 37.5251)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511EA8 #75A81E

analogous

#1E30A8 #511EA8 #961EA8

triadic

#511EA8 #A8511E #1EA851

tetradic

#511EA8 #A81E30 #75A81E #1EA896

square

#511EA8 #A81E30 #75A81E #1EA896

split-complementary

#511EA8 #A8961E #30A81E

monochromatic

#1F0B40 #381574 #511EA8 #6B2AD9 #8F5EE2

Accessibility & contrast

On white

10.00

#511EA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#511EA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511EA8

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511EA8	#FFFFFF	#000000	##FFFFFF
##511EA8	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AC

Deuteranopia (green-blind)

#003FA6

Tritanopia (blue-blind)

#324764

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #511ea8;
/* rgb */ color: rgb(81, 30, 168);
/* oklch */ color: oklch(40.5% 0.198 291.5);

Tailwind

colors: {
  custom: {
    50: '#8c62c3',
    500: '#511ea8',
    950: '#000000',
  },
}

SCSS

$custom: #511ea8;
$custom-light: #8c62c3;
$custom-dark: #000000;

JSON

{
  "hex": "#511ea8",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 168
  },
  "hsl": {
    "h": 262.174,
    "s": 69.697,
    "l": 38.824
  },
  "oklch": {
    "l": 0.40471,
    "c": 0.19812,
    "h": 291.5
  },
  "luminance": 0.05505
}

Semantic roles & 50–950 ramp

primary

#511EA8

secondary

#9FC75B

accent

#ED3BAB

background

#F9F6FC

surface

#F1EBF8

border

#CBC6D1

text

#0D0513

muted

#7E7A82

Preview Lab

Preview with #511EA8

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

Preview Lab → · Contrast checker → · Palette generator →