#661C9C#661C9C

#661C9C is a dark, vivid violet. Relative luminance 0.061; OKLCH L 41.7% C 0.190 H 305.4°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#661C9C
RGB	rgb(102, 28, 156)
HSL	hsl(275, 70%, 36%)
HSV	hsv(275, 82%, 61%)
CMYK	cmyk(34.6%, 82.1%, 0%, 38.8%)
CIE-LAB	lab(29.55, 53.75, -54.42)
CIE-LCH	lch(29.55, 76.48, 314.64°)
OKLab	oklab(41.73% 0.1101 -0.1551)
OKLCH	oklch(41.73% 0.19 305.4)
XYZ	xyz(11.8941, 6.0557, 31.9883)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C9C #529C1C

analogous

#261C9C #661C9C #9C1C92

triadic

#661C9C #9C661C #1C9C66

tetradic

#661C9C #9C261C #529C1C #1C929C

square

#661C9C #9C261C #529C1C #1C929C

split-complementary

#661C9C #929C1C #1C9C26

monochromatic

#220934 #441368 #661C9C #8825D0 #A452E0

Accessibility & contrast

On white

9.50

#661C9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#661C9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C9C

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C9C	#FFFFFF	#000000	##FFFFFF
##661C9C	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449F

Deuteranopia (green-blind)

#00469A

Tritanopia (blue-blind)

#5C3F5D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #661c9c;
/* rgb */ color: rgb(102, 28, 156);
/* oklch */ color: oklch(41.7% 0.190 305.4);

Tailwind

colors: {
  custom: {
    50: '#9763ba',
    500: '#661c9c',
    950: '#000000',
  },
}

SCSS

$custom: #661c9c;
$custom-light: #9763ba;
$custom-dark: #000000;

JSON

{
  "hex": "#661c9c",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 156
  },
  "hsl": {
    "h": 274.688,
    "s": 69.565,
    "l": 36.078
  },
  "oklch": {
    "l": 0.41728,
    "c": 0.19019,
    "h": 305.4
  },
  "luminance": 0.06056
}

Semantic roles & 50–950 ramp

primary

#661C9C

secondary

#81C351

accent

#EC3B86

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #661C9C

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

Preview Lab → · Contrast checker → · Palette generator →