#661C7D#661C7D

#661C7D is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.3% C 0.161 H 316.7°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#661C7D
RGB	rgb(102, 28, 125)
HSL	hsl(286, 63%, 30%)
HSV	hsv(286, 78%, 49%)
CMYK	cmyk(18.4%, 77.6%, 0%, 51%)
CIE-LAB	lab(27.12, 46.96, -39.12)
CIE-LCH	lch(27.12, 61.12, 320.20°)
OKLab	oklab(39.26% 0.1169 -0.1102)
OKLCH	oklch(39.26% 0.161 316.7)
XYZ	xyz(9.5959, 5.1364, 19.8840)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C7D #337D1C

analogous

#351C7D #661C7D #7D1C64

triadic

#661C7D #7D661C #1C7D66

tetradic

#661C7D #7D351C #337D1C #1C647D

square

#661C7D #7D351C #337D1C #1C647D

split-complementary

#661C7D #647D1C #1C7D35

monochromatic

#140619 #3D114B #661C7D #8F27AF #B13FD4

Accessibility & contrast

On white

10.36

#661C7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#661C7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C7D

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C7D	#FFFFFF	#000000	##FFFFFF
##661C7D	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C80

Deuteranopia (green-blind)

#1D427B

Tritanopia (blue-blind)

#65314B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #661c7d;
/* rgb */ color: rgb(102, 28, 125);
/* oklch */ color: oklch(39.3% 0.161 316.7);

Tailwind

colors: {
  custom: {
    50: '#9561a3',
    500: '#661c7d',
    950: '#000000',
  },
}

SCSS

$custom: #661c7d;
$custom-light: #9561a3;
$custom-dark: #000000;

JSON

{
  "hex": "#661c7d",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 125
  },
  "hsl": {
    "h": 285.773,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.39258,
    "c": 0.16063,
    "h": 316.7
  },
  "luminance": 0.05136
}

Semantic roles & 50–950 ramp

primary

#661C7D

secondary

#5EB144

accent

#E64169

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E050F

muted

#7E7A7F

Preview Lab

Preview with #661C7D

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

Preview Lab → · Contrast checker → · Palette generator →