#511057#511057

#511057 is a dark, vivid purple. Relative luminance 0.028; OKLCH L 32.1% C 0.130 H 324.2°. Best body text is #FFFFFF at 13.45:1 contrast (WCAG AA passes).

Color values

HEX	#511057
RGB	rgb(81, 16, 87)
HSL	hsl(295, 69%, 20%)
HSV	hsv(295, 82%, 34%)
CMYK	cmyk(6.9%, 81.6%, 0%, 65.9%)
CIE-LAB	lab(19.26, 39.03, -27.22)
CIE-LCH	lch(19.26, 47.58, 325.11°)
OKLab	oklab(32.11% 0.1054 -0.0759)
OKLCH	oklch(32.11% 0.13 324.2)
XYZ	xyz(5.2988, 2.8084, 9.2780)
Luminance	0.0281 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511057 #165710

analogous

#2E1057 #511057 #571039

triadic

#511057 #575110 #105751

tetradic

#511057 #572E10 #165710 #103957

square

#511057 #572E10 #165710 #103957

split-complementary

#511057 #395710 #10572E

monochromatic

#18051A #210623 #511057 #811A8B #B123BE

Accessibility & contrast

On white

13.45

#511057 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#511057 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511057

13.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511057	#FFFFFF	#000000	##FFFFFF
##511057	1.00	13.45	1.56	13.45
#FFFFFF	13.45	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A59

Deuteranopia (green-blind)

#1E3155

Tritanopia (blue-blind)

#531D33

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511057;
/* rgb */ color: rgb(81, 16, 87);
/* oklch */ color: oklch(32.1% 0.130 324.2);

Tailwind

colors: {
  custom: {
    50: '#855787',
    500: '#511057',
    950: '#000000',
  },
}

SCSS

$custom: #511057;
$custom-light: #855787;
$custom-dark: #000000;

JSON

{
  "hex": "#511057",
  "rgb": {
    "r": 81,
    "g": 16,
    "b": 87
  },
  "hsl": {
    "h": 294.93,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.32109,
    "c": 0.12992,
    "h": 324.2
  },
  "luminance": 0.02808
}

Semantic roles & 50–950 ramp

primary

#511057

secondary

#3A9032

accent

#EC3C4B

background

#F8F5F8

surface

#EFE9EF

border

#CAC5CA

text

#0B030B

muted

#7C787C

Preview Lab

Preview with #511057

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

Preview Lab → · Contrast checker → · Palette generator →