#66287C#66287C

#66287C is a dark, vivid purple. Relative luminance 0.058; OKLCH L 40.5% C 0.144 H 316.0°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#66287C
RGB	rgb(102, 40, 124)
HSL	hsl(284, 51%, 32%)
HSV	hsv(284, 68%, 49%)
CMYK	cmyk(17.7%, 67.7%, 0%, 51.4%)
CIE-LAB	lab(28.90, 41.54, -35.64)
CIE-LCH	lch(28.90, 54.73, 319.37°)
OKLab	oklab(40.51% 0.1036 -0.1)
OKLCH	oklch(40.51% 0.144 316)
XYZ	xyz(9.8758, 5.7980, 19.6638)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 8.07

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66287C #3E7C28

analogous

#3C287C #66287C #7C2868

triadic

#66287C #7C6628 #287C66

tetradic

#66287C #7C3C28 #3E7C28 #28687C

square

#66287C #7C3C28 #3E7C28 #28687C

split-complementary

#66287C #687C28 #287C3C

monochromatic

#1A0A1F #40194E #66287C #8C37AA #AA56C8

Accessibility & contrast

On white

9.72

#66287C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#66287C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66287C

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66287C	#FFFFFF	#000000	##FFFFFF
##66287C	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04407F

Deuteranopia (green-blind)

#28467A

Tritanopia (blue-blind)

#65384E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #66287c;
/* rgb */ color: rgb(102, 40, 124);
/* oklch */ color: oklch(40.5% 0.144 316.0);

Tailwind

colors: {
  custom: {
    50: '#9467a2',
    500: '#66287c',
    950: '#000000',
  },
}

SCSS

$custom: #66287c;
$custom-light: #9467a2;
$custom-dark: #000000;

JSON

{
  "hex": "#66287c",
  "rgb": {
    "r": 102,
    "g": 40,
    "b": 124
  },
  "hsl": {
    "h": 284.286,
    "s": 51.22,
    "l": 32.157
  },
  "oklch": {
    "l": 0.40506,
    "c": 0.14403,
    "h": 316
  },
  "luminance": 0.05798
}

Semantic roles & 50–950 ramp

primary

#66287C

secondary

#6AAD52

accent

#DB4D72

background

#F9F6FA

surface

#F2EBF3

border

#CCC6CD

text

#0D060F

muted

#7E7A7F

Preview Lab

Preview with #66287C

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

Preview Lab → · Contrast checker → · Palette generator →