#661C7B#661C7B

#661C7B is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.1% C 0.159 H 317.6°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#661C7B
RGB	rgb(102, 28, 123)
HSL	hsl(287, 63%, 30%)
HSV	hsv(287, 77%, 48%)
CMYK	cmyk(17.1%, 77.2%, 0%, 51.8%)
CIE-LAB	lab(26.98, 46.54, -38.09)
CIE-LCH	lch(26.98, 60.14, 320.70°)
OKLab	oklab(39.11% 0.1172 -0.1071)
OKLCH	oklch(39.11% 0.159 317.6)
XYZ	xyz(9.4694, 5.0858, 19.2179)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C7B #317B1C

analogous

#371C7B #661C7B #7B1C61

triadic

#661C7B #7B661C #1C7B66

tetradic

#661C7B #7B371C #317B1C #1C617B

square

#661C7B #7B371C #317B1C #1C617B

split-complementary

#661C7B #617B1C #1C7B37

monochromatic

#150619 #3D1149 #661C7B #8F27AD #B23ED3

Accessibility & contrast

On white

10.41

#661C7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#661C7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C7B

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C7B	#FFFFFF	#000000	##FFFFFF
##661C7B	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7E

Deuteranopia (green-blind)

#1F4279

Tritanopia (blue-blind)

#65304A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #661c7b;
/* rgb */ color: rgb(102, 28, 123);
/* oklch */ color: oklch(39.1% 0.159 317.6);

Tailwind

colors: {
  custom: {
    50: '#9561a2',
    500: '#661c7b',
    950: '#000000',
  },
}

SCSS

$custom: #661c7b;
$custom-light: #9561a2;
$custom-dark: #000000;

JSON

{
  "hex": "#661c7b",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 123
  },
  "hsl": {
    "h": 286.737,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.39112,
    "c": 0.15876,
    "h": 317.6
  },
  "luminance": 0.05085
}

Semantic roles & 50–950 ramp

primary

#661C7B

secondary

#5CAF44

accent

#E64266

background

#F9F6FA

surface

#F2EBF3

border

#CCC6CD

text

#0E050F

muted

#7E7A7F

Preview Lab

Preview with #661C7B

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

Preview Lab → · Contrast checker → · Palette generator →