#661C9F#661C9F

#661C9F is a dark, vivid violet. Relative luminance 0.062; OKLCH L 42.0% C 0.193 H 304.4°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#661C9F
RGB	rgb(102, 28, 159)
HSL	hsl(274, 70%, 37%)
HSV	hsv(274, 82%, 62%)
CMYK	cmyk(35.8%, 82.4%, 0%, 37.6%)
CIE-LAB	lab(29.81, 54.43, -55.83)
CIE-LCH	lch(29.81, 77.97, 314.28°)
OKLab	oklab(41.99% 0.1092 -0.1592)
OKLCH	oklch(41.99% 0.193 304.4)
XYZ	xyz(12.1513, 6.1585, 33.3427)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C9F #559F1C

analogous

#251C9F #661C9F #9F1C97

triadic

#661C9F #9F661C #1C9F66

tetradic

#661C9F #9F251C #559F1C #1C979F

square

#661C9F #9F251C #559F1C #1C979F

split-complementary

#661C9F #979F1C #1C9F25

monochromatic

#230A37 #45136B #661C9F #8725D3 #A454E1

Accessibility & contrast

On white

9.41

#661C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#661C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C9F

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C9F	#FFFFFF	#000000	##FFFFFF
##661C9F	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A2

Deuteranopia (green-blind)

#00469D

Tritanopia (blue-blind)

#5B405F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #661c9f;
/* rgb */ color: rgb(102, 28, 159);
/* oklch */ color: oklch(42.0% 0.193 304.4);

Tailwind

colors: {
  custom: {
    50: '#9863bc',
    500: '#661c9f',
    950: '#000000',
  },
}

SCSS

$custom: #661c9f;
$custom-light: #9863bc;
$custom-dark: #000000;

JSON

{
  "hex": "#661c9f",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 159
  },
  "hsl": {
    "h": 273.893,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.41986,
    "c": 0.19308,
    "h": 304.4
  },
  "luminance": 0.06158
}

Semantic roles & 50–950 ramp

primary

#661C9F

secondary

#84C453

accent

#ED3B88

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #661C9F

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

Preview Lab → · Contrast checker → · Palette generator →