#511D4B#511D4B

#511D4B is a dark, moderate purple. Relative luminance 0.031; OKLCH L 32.8% C 0.100 H 332.3°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#511D4B
RGB	rgb(81, 29, 75)
HSL	hsl(307, 47%, 22%)
HSV	hsv(307, 64%, 32%)
CMYK	cmyk(0%, 64.2%, 7.4%, 68.2%)
CIE-LAB	lab(20.58, 30.94, -17.02)
CIE-LCH	lch(20.58, 35.31, 331.19°)
OKLab	oklab(32.83% 0.0886 -0.0465)
OKLCH	oklch(32.83% 0.1 332.3)
XYZ	xyz(5.1027, 3.1364, 6.9919)
Luminance	0.0314 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D4B #1D5123

analogous

#3D1D51 #511D4B #511D31

triadic

#511D4B #4B511D #1D4B51

tetradic

#511D4B #513D1D #1D5123 #1D3151

square

#511D4B #513D1D #1D5123 #1D3151

split-complementary

#511D4B #31511D #1D513D

monochromatic

#170815 #240D21 #511D4B #7E2D75 #AB3D9E

Accessibility & contrast

On white

12.91

#511D4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#511D4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D4B

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D4B	#FFFFFF	#000000	##FFFFFF
##511D4B	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B2D4C

Deuteranopia (green-blind)

#2C344A

Tritanopia (blue-blind)

#552131

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #511d4b;
/* rgb */ color: rgb(81, 29, 75);
/* oklch */ color: oklch(32.8% 0.100 332.3);

Tailwind

colors: {
  custom: {
    50: '#845d7d',
    500: '#511d4b',
    950: '#000000',
  },
}

SCSS

$custom: #511d4b;
$custom-light: #845d7d;
$custom-dark: #000000;

JSON

{
  "hex": "#511d4b",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 75
  },
  "hsl": {
    "h": 306.923,
    "s": 47.273,
    "l": 21.569
  },
  "oklch": {
    "l": 0.32829,
    "c": 0.10008,
    "h": 332.3
  },
  "luminance": 0.03136
}

Semantic roles & 50–950 ramp

primary

#511D4B

secondary

#44864B

accent

#D76051

background

#F8F5F7

surface

#EFE9EE

border

#CAC5C9

text

#0B0409

muted

#7C797B

Preview Lab

Preview with #511D4B

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

Preview Lab → · Contrast checker → · Palette generator →