#511F55#511F55

#511F55 is a dark, moderate purple. Relative luminance 0.034; OKLCH L 33.7% C 0.107 H 324.6°. Best body text is #FFFFFF at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#511F55
RGB	rgb(81, 31, 85)
HSL	hsl(296, 47%, 23%)
HSV	hsv(296, 64%, 33%)
CMYK	cmyk(4.7%, 63.5%, 0%, 66.7%)
CIE-LAB	lab(21.53, 31.91, -22.28)
CIE-LCH	lch(21.53, 38.92, 325.08°)
OKLab	oklab(33.7% 0.0869 -0.0617)
OKLCH	oklch(33.7% 0.107 324.6)
XYZ	xyz(5.5229, 3.3855, 8.9551)
Luminance	0.0338 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F55 #23551F

analogous

#361F55 #511F55 #551F3E

triadic

#511F55 #55511F #1F5551

tetradic

#511F55 #55361F #23551F #1F3E55

square

#511F55 #55361F #23551F #1F3E55

split-complementary

#511F55 #3E551F #1F5536

monochromatic

#150816 #260F28 #511F55 #7C2F82 #A640AF

Accessibility & contrast

On white

12.52

#511F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#511F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F55

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F55	#FFFFFF	#000000	##FFFFFF
##511F55	1.00	12.52	1.68	12.52
#FFFFFF	12.52	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173057

Deuteranopia (green-blind)

#283654

Tritanopia (blue-blind)

#532636

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #511f55;
/* rgb */ color: rgb(81, 31, 85);
/* oklch */ color: oklch(33.7% 0.107 324.6);

Tailwind

colors: {
  custom: {
    50: '#845e85',
    500: '#511f55',
    950: '#000000',
  },
}

SCSS

$custom: #511f55;
$custom-light: #845e85;
$custom-dark: #000000;

JSON

{
  "hex": "#511f55",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 85
  },
  "hsl": {
    "h": 295.556,
    "s": 46.552,
    "l": 22.745
  },
  "oklch": {
    "l": 0.33701,
    "c": 0.10658,
    "h": 324.6
  },
  "luminance": 0.03385
}

Semantic roles & 50–950 ramp

primary

#511F55

secondary

#4B8A46

accent

#D6525B

background

#F8F5F8

surface

#EFE9EF

border

#CAC5CA

text

#0B040B

muted

#7C797C

Preview Lab

Preview with #511F55

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

Preview Lab → · Contrast checker → · Palette generator →