#661C77#661C77

#661C77 is a dark, vivid purple. Relative luminance 0.050; OKLCH L 38.8% C 0.155 H 319.4°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#661C77
RGB	rgb(102, 28, 119)
HSL	hsl(289, 62%, 29%)
HSV	hsv(289, 76%, 47%)
CMYK	cmyk(14.3%, 76.5%, 0%, 53.3%)
CIE-LAB	lab(26.70, 45.72, -36.00)
CIE-LCH	lch(26.70, 58.19, 321.79°)
OKLab	oklab(38.83% 0.1176 -0.101)
OKLCH	oklch(38.83% 0.155 319.4)
XYZ	xyz(9.2241, 4.9876, 17.9260)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C77 #2D771C

analogous

#391C77 #661C77 #771C5B

triadic

#661C77 #77661C #1C7766

tetradic

#661C77 #77391C #2D771C #1C5B77

square

#661C77 #77391C #2D771C #1C5B77

split-complementary

#661C77 #5B771C #1C7739

monochromatic

#150619 #3C1045 #661C77 #9028A9 #B53CD1

Accessibility & contrast

On white

10.51

#661C77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#661C77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C77

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C77	#FFFFFF	#000000	##FFFFFF
##661C77	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7A

Deuteranopia (green-blind)

#234275

Tritanopia (blue-blind)

#662E48

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #661c77;
/* rgb */ color: rgb(102, 28, 119);
/* oklch */ color: oklch(38.8% 0.155 319.4);

Tailwind

colors: {
  custom: {
    50: '#95619f',
    500: '#661c77',
    950: '#000000',
  },
}

SCSS

$custom: #661c77;
$custom-light: #95619f;
$custom-dark: #000000;

JSON

{
  "hex": "#661c77",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 119
  },
  "hsl": {
    "h": 288.791,
    "s": 61.905,
    "l": 28.824
  },
  "oklch": {
    "l": 0.38826,
    "c": 0.15503,
    "h": 319.4
  },
  "luminance": 0.04987
}

Semantic roles & 50–950 ramp

primary

#661C77

secondary

#57AB44

accent

#E54361

background

#F9F6F9

surface

#F2EBF2

border

#CCC6CC

text

#0E050E

muted

#7E7A7E

Preview Lab

Preview with #661C77

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

Preview Lab → · Contrast checker → · Palette generator →