#661C9A#661C9A

#661C9A is a dark, vivid violet. Relative luminance 0.060; OKLCH L 41.6% C 0.188 H 306.0°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#661C9A
RGB	rgb(102, 28, 154)
HSL	hsl(275, 69%, 36%)
HSV	hsv(275, 82%, 60%)
CMYK	cmyk(33.8%, 81.8%, 0%, 39.6%)
CIE-LAB	lab(29.38, 53.29, -53.47)
CIE-LCH	lch(29.38, 75.49, 314.90°)
OKLab	oklab(41.56% 0.1107 -0.1523)
OKLCH	oklch(41.56% 0.188 306)
XYZ	xyz(11.7262, 5.9885, 31.1037)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C9A #509A1C

analogous

#271C9A #661C9A #9A1C8F

triadic

#661C9A #9A661C #1C9A66

tetradic

#661C9A #9A271C #509A1C #1C8F9A

square

#661C9A #9A271C #509A1C #1C8F9A

split-complementary

#661C9A #8F9A1C #1C9A27

monochromatic

#210932 #441366 #661C9A #8825CE #A551DF

Accessibility & contrast

On white

9.56

#661C9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#661C9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C9A

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C9A	#FFFFFF	#000000	##FFFFFF
##661C9A	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439D

Deuteranopia (green-blind)

#004598

Tritanopia (blue-blind)

#5C3E5C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #661c9a;
/* rgb */ color: rgb(102, 28, 154);
/* oklch */ color: oklch(41.6% 0.188 306.0);

Tailwind

colors: {
  custom: {
    50: '#9762b9',
    500: '#661c9a',
    950: '#000000',
  },
}

SCSS

$custom: #661c9a;
$custom-light: #9762b9;
$custom-dark: #000000;

JSON

{
  "hex": "#661c9a",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 154
  },
  "hsl": {
    "h": 275.238,
    "s": 69.231,
    "l": 35.686
  },
  "oklch": {
    "l": 0.41558,
    "c": 0.18828,
    "h": 306
  },
  "luminance": 0.05988
}

Semantic roles & 50–950 ramp

primary

#661C9A

secondary

#7FC250

accent

#EC3C85

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #661C9A

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

Preview Lab → · Contrast checker → · Palette generator →