#661D9D#661D9D

#661D9D is a dark, vivid violet. Relative luminance 0.061; OKLCH L 41.9% C 0.190 H 305.0°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#661D9D
RGB	rgb(102, 29, 157)
HSL	hsl(274, 69%, 36%)
HSV	hsv(274, 82%, 62%)
CMYK	cmyk(35%, 81.5%, 0%, 38.4%)
CIE-LAB	lab(29.76, 53.62, -54.69)
CIE-LCH	lch(29.76, 76.59, 314.44°)
OKLab	oklab(41.9% 0.1091 -0.1559)
OKLCH	oklch(41.9% 0.19 305)
XYZ	xyz(12.0033, 6.1379, 32.4441)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D9D #549D1D

analogous

#261D9D #661D9D #9D1D94

triadic

#661D9D #9D661D #1D9D66

tetradic

#661D9D #9D261D #549D1D #1D949D

square

#661D9D #9D261D #549D1D #1D949D

split-complementary

#661D9D #949D1D #1D9D26

monochromatic

#230A36 #441369 #661D9D #8827D1 #A455E0

Accessibility & contrast

On white

9.43

#661D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#661D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D9D

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D9D	#FFFFFF	#000000	##FFFFFF
##661D9D	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A0

Deuteranopia (green-blind)

#00469B

Tritanopia (blue-blind)

#5B405E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #661d9d;
/* rgb */ color: rgb(102, 29, 157);
/* oklch */ color: oklch(41.9% 0.190 305.0);

Tailwind

colors: {
  custom: {
    50: '#9763bb',
    500: '#661d9d',
    950: '#000000',
  },
}

SCSS

$custom: #661d9d;
$custom-light: #9763bb;
$custom-dark: #000000;

JSON

{
  "hex": "#661d9d",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 157
  },
  "hsl": {
    "h": 274.219,
    "s": 68.817,
    "l": 36.471
  },
  "oklch": {
    "l": 0.41897,
    "c": 0.19025,
    "h": 305
  },
  "luminance": 0.06138
}

Semantic roles & 50–950 ramp

primary

#661D9D

secondary

#83C353

accent

#EC3C88

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #661D9D

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

Preview Lab → · Contrast checker → · Palette generator →