#661D78#661D78

#661D78 is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.0% C 0.155 H 318.8°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#661D78
RGB	rgb(102, 29, 120)
HSL	hsl(288, 61%, 29%)
HSV	hsv(288, 76%, 47%)
CMYK	cmyk(15%, 75.8%, 0%, 52.9%)
CIE-LAB	lab(26.91, 45.54, -36.30)
CIE-LCH	lch(26.91, 58.24, 321.44°)
OKLab	oklab(38.99% 0.1165 -0.1019)
OKLCH	oklch(38.99% 0.155 318.8)
XYZ	xyz(9.3086, 5.0600, 18.2520)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D78 #2F781D

analogous

#391D78 #661D78 #781D5D

triadic

#661D78 #78661D #1D7866

tetradic

#661D78 #78391D #2F781D #1D5D78

square

#661D78 #78391D #2F781D #1D5D78

split-complementary

#661D78 #5D781D #1D7839

monochromatic

#150619 #3C1147 #661D78 #9029A9 #B43FD1

Accessibility & contrast

On white

10.44

#661D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#661D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D78

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D78	#FFFFFF	#000000	##FFFFFF
##661D78	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7B

Deuteranopia (green-blind)

#234276

Tritanopia (blue-blind)

#662F49

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #661d78;
/* rgb */ color: rgb(102, 29, 120);
/* oklch */ color: oklch(39.0% 0.155 318.8);

Tailwind

colors: {
  custom: {
    50: '#95619f',
    500: '#661d78',
    950: '#000000',
  },
}

SCSS

$custom: #661d78;
$custom-light: #95619f;
$custom-dark: #000000;

JSON

{
  "hex": "#661d78",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 120
  },
  "hsl": {
    "h": 288.132,
    "s": 61.074,
    "l": 29.216
  },
  "oklch": {
    "l": 0.38994,
    "c": 0.15477,
    "h": 318.8
  },
  "luminance": 0.0506
}

Semantic roles & 50–950 ramp

primary

#661D78

secondary

#59AC45

accent

#E44463

background

#F9F6F9

surface

#F2EBF2

border

#CCC6CC

text

#0E050E

muted

#7E7A7E

Preview Lab

Preview with #661D78

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

Preview Lab → · Contrast checker → · Palette generator →