#511F8E#511F8E

#511F8E is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.1% C 0.169 H 298.3°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#511F8E
RGB	rgb(81, 31, 142)
HSL	hsl(267, 64%, 34%)
HSV	hsv(267, 78%, 56%)
CMYK	cmyk(43%, 78.2%, 0%, 44.3%)
CIE-LAB	lab(25.81, 45.68, -52.04)
CIE-LCH	lch(25.81, 69.24, 311.28°)
OKLab	oklab(38.11% 0.0801 -0.1489)
OKLCH	oklch(38.11% 0.169 298.3)
XYZ	xyz(8.7646, 4.6822, 26.0279)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F8E #5C8E1F

analogous

#1F258E #511F8E #891F8E

triadic

#511F8E #8E511F #1F8E51

tetradic

#511F8E #8E1F25 #5C8E1F #1F8E89

square

#511F8E #8E1F25 #5C8E1F #1F8E89

split-complementary

#511F8E #8E891F #258E1F

monochromatic

#18092A #34145C #511F8E #6E2AC0 #8D4FD9

Accessibility & contrast

On white

10.84

#511F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#511F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F8E

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F8E	#FFFFFF	#000000	##FFFFFF
##511F8E	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D91

Deuteranopia (green-blind)

#003C8C

Tritanopia (blue-blind)

#423D56

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #511f8e;
/* rgb */ color: rgb(81, 31, 142);
/* oklch */ color: oklch(38.1% 0.169 298.3);

Tailwind

colors: {
  custom: {
    50: '#8861b0',
    500: '#511f8e',
    950: '#000000',
  },
}

SCSS

$custom: #511f8e;
$custom-light: #8861b0;
$custom-dark: #000000;

JSON

{
  "hex": "#511f8e",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 142
  },
  "hsl": {
    "h": 267.027,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38111,
    "c": 0.16905,
    "h": 298.3
  },
  "luminance": 0.04682
}

Semantic roles & 50–950 ramp

primary

#511F8E

secondary

#8ABB4D

accent

#E7419C

background

#F8F5FA

surface

#F0EAF5

border

#CBC6CF

text

#0C0511

muted

#7D7980

Preview Lab

Preview with #511F8E

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

Preview Lab → · Contrast checker → · Palette generator →