#661C9E#661C9E

#661C9E is a dark, vivid violet. Relative luminance 0.061; OKLCH L 41.9% C 0.192 H 304.8°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#661C9E
RGB	rgb(102, 28, 158)
HSL	hsl(274, 70%, 36%)
HSV	hsv(274, 82%, 62%)
CMYK	cmyk(35.4%, 82.3%, 0%, 38%)
CIE-LAB	lab(29.72, 54.20, -55.36)
CIE-LCH	lch(29.72, 77.47, 314.40°)
OKLab	oklab(41.9% 0.1095 -0.1578)
OKLCH	oklch(41.9% 0.192 304.8)
XYZ	xyz(12.0649, 6.1240, 32.8876)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C9E #549E1C

analogous

#251C9E #661C9E #9E1C95

triadic

#661C9E #9E661C #1C9E66

tetradic

#661C9E #9E251C #549E1C #1C959E

square

#661C9E #9E251C #549E1C #1C959E

split-complementary

#661C9E #959E1C #1C9E25

monochromatic

#230A36 #44136A #661C9E #8825D2 #A454E1

Accessibility & contrast

On white

9.44

#661C9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#661C9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C9E

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C9E	#FFFFFF	#000000	##FFFFFF
##661C9E	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A1

Deuteranopia (green-blind)

#00469C

Tritanopia (blue-blind)

#5B405E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #661c9e;
/* rgb */ color: rgb(102, 28, 158);
/* oklch */ color: oklch(41.9% 0.192 304.8);

Tailwind

colors: {
  custom: {
    50: '#9863bc',
    500: '#661c9e',
    950: '#000000',
  },
}

SCSS

$custom: #661c9e;
$custom-light: #9863bc;
$custom-dark: #000000;

JSON

{
  "hex": "#661c9e",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 158
  },
  "hsl": {
    "h": 274.154,
    "s": 69.892,
    "l": 36.471
  },
  "oklch": {
    "l": 0.419,
    "c": 0.19211,
    "h": 304.8
  },
  "luminance": 0.06124
}

Semantic roles & 50–950 ramp

primary

#661C9E

secondary

#83C452

accent

#ED3B88

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #661C9E

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

Preview Lab → · Contrast checker → · Palette generator →