#511D55#511D55

#511D55 is a dark, moderate purple. Relative luminance 0.033; OKLCH L 33.4% C 0.110 H 324.8°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#511D55
RGB	rgb(81, 29, 85)
HSL	hsl(296, 49%, 22%)
HSV	hsv(296, 66%, 33%)
CMYK	cmyk(4.7%, 65.9%, 0%, 66.7%)
CIE-LAB	lab(21.15, 32.95, -22.87)
CIE-LCH	lch(21.15, 40.11, 325.23°)
OKLab	oklab(33.43% 0.0898 -0.0634)
OKLCH	oklch(33.43% 0.11 324.8)
XYZ	xyz(5.4723, 3.2843, 8.9383)
Luminance	0.0328 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D55 #21551D

analogous

#351D55 #511D55 #551D3D

triadic

#511D55 #55511D #1D5551

tetradic

#511D55 #55351D #21551D #1D3D55

square

#511D55 #55351D #21551D #1D3D55

split-complementary

#511D55 #3D551D #1D5535

monochromatic

#160817 #260D27 #511D55 #7C2D83 #A83CB0

Accessibility & contrast

On white

12.68

#511D55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#511D55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D55

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D55	#FFFFFF	#000000	##FFFFFF
##511D55	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#142F57

Deuteranopia (green-blind)

#273553

Tritanopia (blue-blind)

#532536

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #511d55;
/* rgb */ color: rgb(81, 29, 85);
/* oklch */ color: oklch(33.4% 0.110 324.8);

Tailwind

colors: {
  custom: {
    50: '#845d85',
    500: '#511d55',
    950: '#000000',
  },
}

SCSS

$custom: #511d55;
$custom-light: #845d85;
$custom-dark: #000000;

JSON

{
  "hex": "#511d55",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 85
  },
  "hsl": {
    "h": 295.714,
    "s": 49.123,
    "l": 22.353
  },
  "oklch": {
    "l": 0.33426,
    "c": 0.10991,
    "h": 324.8
  },
  "luminance": 0.03284
}

Semantic roles & 50–950 ramp

primary

#511D55

secondary

#498A44

accent

#D94F59

background

#F8F5F8

surface

#EFE9EF

border

#CAC5CA

text

#0B040B

muted

#7C797C

Preview Lab

Preview with #511D55

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

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