#661C7F#661C7F

#661C7F is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.4% C 0.163 H 315.9°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#661C7F
RGB	rgb(102, 28, 127)
HSL	hsl(285, 64%, 30%)
HSV	hsv(285, 78%, 50%)
CMYK	cmyk(19.7%, 78%, 0%, 50.2%)
CIE-LAB	lab(27.26, 47.38, -40.15)
CIE-LCH	lch(27.26, 62.10, 319.72°)
OKLab	oklab(39.41% 0.1166 -0.1132)
OKLCH	oklch(39.41% 0.163 315.9)
XYZ	xyz(9.7249, 5.1880, 20.5637)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C7F #357F1C

analogous

#341C7F #661C7F #7F1C67

triadic

#661C7F #7F661C #1C7F66

tetradic

#661C7F #7F341C #357F1C #1C677F

square

#661C7F #7F341C #357F1C #1C677F

split-complementary

#661C7F #677F1C #1C7F34

monochromatic

#15061B #3E114D #661C7F #8E27B1 #AF40D5

Accessibility & contrast

On white

10.31

#661C7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#661C7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C7F

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C7F	#FFFFFF	#000000	##FFFFFF
##661C7F	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C82

Deuteranopia (green-blind)

#1A427D

Tritanopia (blue-blind)

#64324C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #661c7f;
/* rgb */ color: rgb(102, 28, 127);
/* oklch */ color: oklch(39.4% 0.163 315.9);

Tailwind

colors: {
  custom: {
    50: '#9561a5',
    500: '#661c7f',
    950: '#000000',
  },
}

SCSS

$custom: #661c7f;
$custom-light: #9561a5;
$custom-dark: #000000;

JSON

{
  "hex": "#661c7f",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 127
  },
  "hsl": {
    "h": 284.848,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.39406,
    "c": 0.16252,
    "h": 315.9
  },
  "luminance": 0.05188
}

Semantic roles & 50–950 ramp

primary

#661C7F

secondary

#60B344

accent

#E7416B

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E050F

muted

#7E7A7F

Preview Lab

Preview with #661C7F

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

Preview Lab → · Contrast checker → · Palette generator →