#661C9D#661C9D

#661C9D is a dark, vivid violet. Relative luminance 0.061; OKLCH L 41.8% C 0.191 H 305.1°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#661C9D
RGB	rgb(102, 28, 157)
HSL	hsl(274, 70%, 36%)
HSV	hsv(274, 82%, 62%)
CMYK	cmyk(35%, 82.2%, 0%, 38.4%)
CIE-LAB	lab(29.64, 53.97, -54.89)
CIE-LCH	lch(29.64, 76.98, 314.52°)
OKLab	oklab(41.81% 0.1098 -0.1565)
OKLCH	oklch(41.81% 0.191 305.1)
XYZ	xyz(11.9792, 6.0897, 32.4361)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C9D #539D1C

analogous

#261C9D #661C9D #9D1C94

triadic

#661C9D #9D661C #1C9D66

tetradic

#661C9D #9D261C #539D1C #1C949D

square

#661C9D #9D261C #539D1C #1C949D

split-complementary

#661C9D #949D1C #1C9D26

monochromatic

#230935 #441369 #661C9D #8825D1 #A453E0

Accessibility & contrast

On white

9.47

#661C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#661C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C9D

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C9D	#FFFFFF	#000000	##FFFFFF
##661C9D	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A0

Deuteranopia (green-blind)

#00469B

Tritanopia (blue-blind)

#5B3F5E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #661c9d;
/* rgb */ color: rgb(102, 28, 157);
/* oklch */ color: oklch(41.8% 0.191 305.1);

Tailwind

colors: {
  custom: {
    50: '#9763bb',
    500: '#661c9d',
    950: '#000000',
  },
}

SCSS

$custom: #661c9d;
$custom-light: #9763bb;
$custom-dark: #000000;

JSON

{
  "hex": "#661c9d",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 157
  },
  "hsl": {
    "h": 274.419,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.41814,
    "c": 0.19116,
    "h": 305.1
  },
  "luminance": 0.0609
}

Semantic roles & 50–950 ramp

primary

#661C9D

secondary

#82C351

accent

#ED3B87

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #661C9D

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

Preview Lab → · Contrast checker → · Palette generator →