#511E5B#511E5B

#511E5B is a dark, moderate purple. Relative luminance 0.034; OKLCH L 33.9% C 0.115 H 320.7°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#511E5B
RGB	rgb(81, 30, 91)
HSL	hsl(290, 50%, 24%)
HSV	hsv(290, 67%, 36%)
CMYK	cmyk(11%, 67%, 0%, 64.3%)
CIE-LAB	lab(21.70, 33.72, -25.99)
CIE-LCH	lch(21.70, 42.58, 322.37°)
OKLab	oklab(33.95% 0.0887 -0.0725)
OKLCH	oklch(33.95% 0.115 320.7)
XYZ	xyz(5.7457, 3.4335, 10.2556)
Luminance	0.0343 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.38

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E5B #285B1E

analogous

#321E5B #511E5B #5B1E46

triadic

#511E5B #5B511E #1E5B51

tetradic

#511E5B #5B321E #285B1E #1E465B

square

#511E5B #5B321E #285B1E #1E465B

split-complementary

#511E5B #465B1E #1E5B32

monochromatic

#140817 #280F2D #511E5B #7A2D89 #A33CB7

Accessibility & contrast

On white

12.45

#511E5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#511E5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E5B

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E5B	#FFFFFF	#000000	##FFFFFF
##511E5B	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F305D

Deuteranopia (green-blind)

#243659

Tritanopia (blue-blind)

#522839

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #511e5b;
/* rgb */ color: rgb(81, 30, 91);
/* oklch */ color: oklch(33.9% 0.115 320.7);

Tailwind

colors: {
  custom: {
    50: '#845e8a',
    500: '#511e5b',
    950: '#000000',
  },
}

SCSS

$custom: #511e5b;
$custom-light: #845e8a;
$custom-dark: #000000;

JSON

{
  "hex": "#511e5b",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 91
  },
  "hsl": {
    "h": 290.164,
    "s": 50.413,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33948,
    "c": 0.11452,
    "h": 320.7
  },
  "luminance": 0.03433
}

Semantic roles & 50–950 ramp

primary

#511E5B

secondary

#519045

accent

#DA4E65

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B040B

muted

#7C797C

Preview Lab

Preview with #511E5B

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

Preview Lab → · Contrast checker → · Palette generator →