#661C82#661C82

#661C82 is a dark, vivid purple. Relative luminance 0.053; OKLCH L 39.6% C 0.165 H 314.6°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#661C82
RGB	rgb(102, 28, 130)
HSL	hsl(284, 65%, 31%)
HSV	hsv(284, 78%, 51%)
CMYK	cmyk(21.5%, 78.5%, 0%, 49%)
CIE-LAB	lab(27.48, 48.01, -41.69)
CIE-LCH	lch(27.48, 63.58, 319.03°)
OKLab	oklab(39.63% 0.1162 -0.1177)
OKLCH	oklch(39.63% 0.165 314.6)
XYZ	xyz(9.9233, 5.2673, 21.6087)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C82 #38821C

analogous

#331C82 #661C82 #821C6B

triadic

#661C82 #82661C #1C8266

tetradic

#661C82 #82331C #38821C #1C6B82

square

#661C82 #82331C #38821C #1C6B82

split-complementary

#661C82 #6B821C #1C8233

monochromatic

#17061D #3E1150 #661C82 #8E27B4 #AE42D6

Accessibility & contrast

On white

10.23

#661C82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#661C82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C82

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C82	#FFFFFF	#000000	##FFFFFF
##661C82	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D85

Deuteranopia (green-blind)

#164380

Tritanopia (blue-blind)

#63334E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #661c82;
/* rgb */ color: rgb(102, 28, 130);
/* oklch */ color: oklch(39.6% 0.165 314.6);

Tailwind

colors: {
  custom: {
    50: '#9561a7',
    500: '#661c82',
    950: '#000000',
  },
}

SCSS

$custom: #661c82;
$custom-light: #9561a7;
$custom-dark: #000000;

JSON

{
  "hex": "#661c82",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 130
  },
  "hsl": {
    "h": 283.529,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39631,
    "c": 0.16535,
    "h": 314.6
  },
  "luminance": 0.05267
}

Semantic roles & 50–950 ramp

primary

#661C82

secondary

#63B544

accent

#E8406E

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E050F

muted

#7E7A7F

Preview Lab

Preview with #661C82

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

Preview Lab → · Contrast checker → · Palette generator →