#661F9C#661F9C

#661F9C is a dark, vivid violet. Relative luminance 0.062; OKLCH L 42.0% C 0.187 H 305.1°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#661F9C
RGB	rgb(102, 31, 156)
HSL	hsl(274, 67%, 37%)
HSV	hsv(274, 80%, 61%)
CMYK	cmyk(34.6%, 80.1%, 0%, 38.8%)
CIE-LAB	lab(29.92, 52.67, -53.81)
CIE-LCH	lch(29.92, 75.30, 314.38°)
OKLab	oklab(41.99% 0.1077 -0.1533)
OKLCH	oklch(41.99% 0.187 305.1)
XYZ	xyz(11.9689, 6.2051, 32.0132)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F9C #559C1F

analogous

#281F9C #661F9C #9C1F94

triadic

#661F9C #9C661F #1F9C66

tetradic

#661F9C #9C281F #559C1F #1F949C

square

#661F9C #9C281F #559C1F #1F949C

split-complementary

#661F9C #949C1F #1F9C28

monochromatic

#230B36 #451569 #661F9C #8729CF #A458DE

Accessibility & contrast

On white

9.37

#661F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#661F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F9C

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F9C	#FFFFFF	#000000	##FFFFFF
##661F9C	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459F

Deuteranopia (green-blind)

#00479A

Tritanopia (blue-blind)

#5C405E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #661f9c;
/* rgb */ color: rgb(102, 31, 156);
/* oklch */ color: oklch(42.0% 0.187 305.1);

Tailwind

colors: {
  custom: {
    50: '#9764ba',
    500: '#661f9c',
    950: '#000000',
  },
}

SCSS

$custom: #661f9c;
$custom-light: #9764ba;
$custom-dark: #000000;

JSON

{
  "hex": "#661f9c",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 156
  },
  "hsl": {
    "h": 274.08,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.41987,
    "c": 0.18739,
    "h": 305.1
  },
  "luminance": 0.06205
}

Semantic roles & 50–950 ramp

primary

#661F9C

secondary

#84C155

accent

#EA3E88

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #661F9C

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

Preview Lab → · Contrast checker → · Palette generator →