#661D9E#661D9E

#661D9E is a dark, vivid violet. Relative luminance 0.062; OKLCH L 42.0% C 0.191 H 304.7°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#661D9E
RGB	rgb(102, 29, 158)
HSL	hsl(274, 69%, 37%)
HSV	hsv(274, 82%, 62%)
CMYK	cmyk(35.4%, 81.6%, 0%, 38%)
CIE-LAB	lab(29.84, 53.85, -55.16)
CIE-LCH	lch(29.84, 77.09, 314.31°)
OKLab	oklab(41.98% 0.1088 -0.1573)
OKLCH	oklch(41.98% 0.191 304.7)
XYZ	xyz(12.0890, 6.1722, 32.8956)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D9E #559E1D

analogous

#251D9E #661D9E #9E1D96

triadic

#661D9E #9E661D #1D9E66

tetradic

#661D9E #9E251D #559E1D #1D969E

square

#661D9E #9E251D #559E1D #1D969E

split-complementary

#661D9E #969E1D #1D9E25

monochromatic

#230A37 #45146A #661D9E #8726D2 #A456E0

Accessibility & contrast

On white

9.40

#661D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#661D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D9E

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D9E	#FFFFFF	#000000	##FFFFFF
##661D9E	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A1

Deuteranopia (green-blind)

#00469C

Tritanopia (blue-blind)

#5B405E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #661d9e;
/* rgb */ color: rgb(102, 29, 158);
/* oklch */ color: oklch(42.0% 0.191 304.7);

Tailwind

colors: {
  custom: {
    50: '#9763bc',
    500: '#661d9e',
    950: '#000000',
  },
}

SCSS

$custom: #661d9e;
$custom-light: #9763bc;
$custom-dark: #000000;

JSON

{
  "hex": "#661d9e",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 158
  },
  "hsl": {
    "h": 273.953,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.41983,
    "c": 0.19123,
    "h": 304.7
  },
  "luminance": 0.06172
}

Semantic roles & 50–950 ramp

primary

#661D9E

secondary

#84C354

accent

#EC3C88

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #661D9E

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

Preview Lab → · Contrast checker → · Palette generator →