#511F76#511F76

#511F76 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.1% C 0.143 H 306.8°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#511F76
RGB	rgb(81, 31, 118)
HSL	hsl(274, 58%, 29%)
HSV	hsv(274, 74%, 46%)
CMYK	cmyk(31.4%, 73.7%, 0%, 53.7%)
CIE-LAB	lab(23.79, 39.57, -40.21)
CIE-LCH	lch(23.79, 56.41, 314.54°)
OKLab	oklab(36.06% 0.0854 -0.1141)
OKLCH	oklch(36.06% 0.143 306.8)
XYZ	xyz(7.1526, 4.0374, 17.5385)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F76 #44761F

analogous

#261F76 #511F76 #761F70

triadic

#511F76 #76511F #1F7651

tetradic

#511F76 #76261F #44761F #1F7076

square

#511F76 #76261F #44761F #1F7076

split-complementary

#511F76 #70761F #1F7626

monochromatic

#110618 #301246 #511F76 #722CA6 #9242CD

Accessibility & contrast

On white

11.62

#511F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#511F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F76

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F76	#FFFFFF	#000000	##FFFFFF
##511F76	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003779

Deuteranopia (green-blind)

#023974

Tritanopia (blue-blind)

#4B3348

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511f76;
/* rgb */ color: rgb(81, 31, 118);
/* oklch */ color: oklch(36.1% 0.143 306.8);

Tailwind

colors: {
  custom: {
    50: '#865f9e',
    500: '#511f76',
    950: '#000000',
  },
}

SCSS

$custom: #511f76;
$custom-light: #865f9e;
$custom-dark: #000000;

JSON

{
  "hex": "#511f76",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 118
  },
  "hsl": {
    "h": 274.483,
    "s": 58.389,
    "l": 29.216
  },
  "oklch": {
    "l": 0.36061,
    "c": 0.14256,
    "h": 306.8
  },
  "luminance": 0.04037
}

Semantic roles & 50–950 ramp

primary

#511F76

secondary

#71AA47

accent

#E24688

background

#F8F5F9

surface

#F0EAF2

border

#CBC6CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #511F76

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

Preview Lab → · Contrast checker → · Palette generator →