#511F70#511F70

#511F70 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.6% C 0.136 H 309.4°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#511F70
RGB	rgb(81, 31, 112)
HSL	hsl(277, 57%, 28%)
HSV	hsv(277, 72%, 44%)
CMYK	cmyk(27.7%, 72.3%, 0%, 56.1%)
CIE-LAB	lab(23.34, 38.09, -37.10)
CIE-LCH	lch(23.34, 53.17, 315.76°)
OKLab	oklab(35.59% 0.0863 -0.105)
OKLCH	oklch(35.59% 0.136 309.4)
XYZ	xyz(6.8074, 3.8993, 15.7201)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F70 #3E701F

analogous

#281F70 #511F70 #701F66

triadic

#511F70 #70511F #1F7051

tetradic

#511F70 #70281F #3E701F #1F6670

square

#511F70 #70281F #3E701F #1F6670

split-complementary

#511F70 #66701F #1F7028

monochromatic

#110718 #2E1240 #511F70 #742CA0 #953FCA

Accessibility & contrast

On white

11.80

#511F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#511F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F70

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F70	#FFFFFF	#000000	##FFFFFF
##511F70	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003672

Deuteranopia (green-blind)

#10386E

Tritanopia (blue-blind)

#4D3145

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #511f70;
/* rgb */ color: rgb(81, 31, 112);
/* oklch */ color: oklch(35.6% 0.136 309.4);

Tailwind

colors: {
  custom: {
    50: '#855f9a',
    500: '#511f70',
    950: '#000000',
  },
}

SCSS

$custom: #511f70;
$custom-light: #855f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#511f70",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 112
  },
  "hsl": {
    "h": 277.037,
    "s": 56.643,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35588,
    "c": 0.13591,
    "h": 309.4
  },
  "luminance": 0.03899
}

Semantic roles & 50–950 ramp

primary

#511F70

secondary

#6AA447

accent

#E04882

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #511F70

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

Preview Lab → · Contrast checker → · Palette generator →