#511A8F#511A8F

#511A8F is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.175 H 298.6°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#511A8F
RGB	rgb(81, 26, 143)
HSL	hsl(268, 69%, 33%)
HSV	hsv(268, 82%, 56%)
CMYK	cmyk(43.4%, 81.8%, 0%, 43.9%)
CIE-LAB	lab(25.17, 48.04, -53.70)
CIE-LCH	lch(25.17, 72.05, 311.81°)
OKLab	oklab(37.69% 0.0839 -0.1537)
OKLCH	oklch(37.69% 0.175 298.6)
XYZ	xyz(8.7194, 4.4712, 26.3849)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A8F #588F1A

analogous

#1A1D8F #511A8F #8B1A8F

triadic

#511A8F #8F511A #1A8F51

tetradic

#511A8F #8F1A1D #588F1A #1A8F8B

square

#511A8F #8F1A1D #588F1A #1A8F8B

split-complementary

#511A8F #8F8B1A #1D8F1A

monochromatic

#160727 #34115B #511A8F #6E23C3 #8D46DD

Accessibility & contrast

On white

11.09

#511A8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#511A8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A8F

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A8F	#FFFFFF	#000000	##FFFFFF
##511A8F	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C92

Deuteranopia (green-blind)

#003A8D

Tritanopia (blue-blind)

#413B55

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #511a8f;
/* rgb */ color: rgb(81, 26, 143);
/* oklch */ color: oklch(37.7% 0.175 298.6);

Tailwind

colors: {
  custom: {
    50: '#895eb1',
    500: '#511a8f',
    950: '#000000',
  },
}

SCSS

$custom: #511a8f;
$custom-light: #895eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#511a8f",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 143
  },
  "hsl": {
    "h": 268.205,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.37694,
    "c": 0.17513,
    "h": 298.6
  },
  "luminance": 0.04471
}

Semantic roles & 50–950 ramp

primary

#511A8F

secondary

#86BF46

accent

#EC3C99

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0C0511

muted

#7D7980

Preview Lab

Preview with #511A8F

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

Preview Lab → · Contrast checker → · Palette generator →