#511F4B#511F4B

#511F4B is a dark, moderate purple. Relative luminance 0.032; OKLCH L 33.1% C 0.097 H 332.4°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#511F4B
RGB	rgb(81, 31, 75)
HSL	hsl(307, 45%, 22%)
HSV	hsv(307, 62%, 32%)
CMYK	cmyk(0%, 61.7%, 7.4%, 68.2%)
CIE-LAB	lab(20.97, 29.88, -16.41)
CIE-LCH	lch(20.97, 34.09, 331.23°)
OKLab	oklab(33.12% 0.0856 -0.0448)
OKLCH	oklch(33.12% 0.097 332.4)
XYZ	xyz(5.1533, 3.2377, 7.0088)
Luminance	0.0324 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F4B #1F5125

analogous

#3E1F51 #511F4B #511F32

triadic

#511F4B #4B511F #1F4B51

tetradic

#511F4B #513E1F #1F5125 #1F3251

square

#511F4B #513E1F #1F5125 #1F3251

split-complementary

#511F4B #32511F #1F513E

monochromatic

#160814 #250E22 #511F4B #7D3074 #AA419D

Accessibility & contrast

On white

12.75

#511F4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#511F4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F4B

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F4B	#FFFFFF	#000000	##FFFFFF
##511F4B	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2E4C

Deuteranopia (green-blind)

#2D354A

Tritanopia (blue-blind)

#542331

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #511f4b;
/* rgb */ color: rgb(81, 31, 75);
/* oklch */ color: oklch(33.1% 0.097 332.4);

Tailwind

colors: {
  custom: {
    50: '#845e7d',
    500: '#511f4b',
    950: '#000000',
  },
}

SCSS

$custom: #511f4b;
$custom-light: #845e7d;
$custom-dark: #000000;

JSON

{
  "hex": "#511f4b",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 75
  },
  "hsl": {
    "h": 307.2,
    "s": 44.643,
    "l": 21.961
  },
  "oklch": {
    "l": 0.33115,
    "c": 0.09658,
    "h": 332.4
  },
  "luminance": 0.03237
}

Semantic roles & 50–950 ramp

primary

#511F4B

secondary

#46864E

accent

#D46353

background

#F8F5F7

surface

#EFE9EE

border

#CAC5C9

text

#0B0409

muted

#7C797B

Preview Lab

Preview with #511F4B

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

Preview Lab → · Contrast checker → · Palette generator →