#511C5A#511C5A

#511C5A is a dark, moderate purple. Relative luminance 0.033; OKLCH L 33.6% C 0.117 H 321.6°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#511C5A
RGB	rgb(81, 28, 90)
HSL	hsl(291, 53%, 23%)
HSV	hsv(291, 69%, 35%)
CMYK	cmyk(10%, 68.9%, 0%, 64.7%)
CIE-LAB	lab(21.28, 34.51, -26.01)
CIE-LCH	lch(21.28, 43.21, 323.00°)
OKLab	oklab(33.62% 0.0914 -0.0725)
OKLCH	oklch(33.62% 0.117 321.6)
XYZ	xyz(5.6539, 3.3183, 10.0136)
Luminance	0.0332 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.24

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C5A #255A1C

analogous

#321C5A #511C5A #5A1C44

triadic

#511C5A #5A511C #1C5A51

tetradic

#511C5A #5A321C #255A1C #1C445A

square

#511C5A #5A321C #255A1C #1C445A

split-complementary

#511C5A #445A1C #1C5A32

monochromatic

#150717 #270D2B #511C5A #7B2B89 #A539B7

Accessibility & contrast

On white

12.62

#511C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#511C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C5A

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C5A	#FFFFFF	#000000	##FFFFFF
##511C5A	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C2F5C

Deuteranopia (green-blind)

#233558

Tritanopia (blue-blind)

#522638

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #511c5a;
/* rgb */ color: rgb(81, 28, 90);
/* oklch */ color: oklch(33.6% 0.117 321.6);

Tailwind

colors: {
  custom: {
    50: '#845d89',
    500: '#511c5a',
    950: '#000000',
  },
}

SCSS

$custom: #511c5a;
$custom-light: #845d89;
$custom-dark: #000000;

JSON

{
  "hex": "#511c5a",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 90
  },
  "hsl": {
    "h": 291.29,
    "s": 52.542,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33619,
    "c": 0.11662,
    "h": 321.6
  },
  "luminance": 0.03318
}

Semantic roles & 50–950 ramp

primary

#511C5A

secondary

#4E8F42

accent

#DC4C61

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B040B

muted

#7C797C

Preview Lab

Preview with #511C5A

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

Preview Lab → · Contrast checker → · Palette generator →