#661C92#661C92

#661C92 is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.9% C 0.181 H 308.7°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#661C92
RGB	rgb(102, 28, 146)
HSL	hsl(278, 68%, 34%)
HSV	hsv(278, 81%, 57%)
CMYK	cmyk(30.1%, 80.8%, 0%, 42.7%)
CIE-LAB	lab(28.72, 51.50, -49.64)
CIE-LCH	lch(28.72, 71.52, 316.05°)
OKLab	oklab(40.89% 0.1128 -0.141)
OKLCH	oklch(40.89% 0.181 308.7)
XYZ	xyz(11.0820, 5.7308, 27.7109)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C92 #48921C

analogous

#2B1C92 #661C92 #921C83

triadic

#661C92 #92661C #1C9266

tetradic

#661C92 #922B1C #48921C #1C8392

square

#661C92 #922B1C #48921C #1C8392

split-complementary

#661C92 #83921C #1C922B

monochromatic

#1E082B #42125F #661C92 #8A26C5 #A74CDD

Accessibility & contrast

On white

9.78

#661C92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#661C92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C92

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C92	#FFFFFF	#000000	##FFFFFF
##661C92	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004195

Deuteranopia (green-blind)

#004490

Tritanopia (blue-blind)

#5F3A57

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #661c92;
/* rgb */ color: rgb(102, 28, 146);
/* oklch */ color: oklch(40.9% 0.181 308.7);

Tailwind

colors: {
  custom: {
    50: '#9662b3',
    500: '#661c92',
    950: '#000000',
  },
}

SCSS

$custom: #661c92;
$custom-light: #9662b3;
$custom-dark: #000000;

JSON

{
  "hex": "#661c92",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 146
  },
  "hsl": {
    "h": 277.627,
    "s": 67.816,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40891,
    "c": 0.18059,
    "h": 308.7
  },
  "luminance": 0.05731
}

Semantic roles & 50–950 ramp

primary

#661C92

secondary

#76BF4B

accent

#EB3D7E

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #661C92

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

Preview Lab → · Contrast checker → · Palette generator →