#661AB4#661AB4

#661AB4 is a dark, highly saturated violet. Relative luminance 0.069; OKLCH L 43.7% C 0.215 H 298.8°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#661AB4
RGB	rgb(102, 26, 180)
HSL	hsl(270, 75%, 40%)
HSV	hsv(270, 86%, 71%)
CMYK	cmyk(43.3%, 85.6%, 0%, 29.4%)
CIE-LAB	lab(31.48, 59.92, -65.72)
CIE-LCH	lch(31.48, 88.94, 312.36°)
OKLab	oklab(43.72% 0.1035 -0.1882)
OKLCH	oklch(43.72% 0.215 298.8)
XYZ	xyz(14.0850, 6.8586, 43.7529)
Luminance	0.0686 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661AB4 #68B41A

analogous

#1A1BB4 #661AB4 #B31AB4

triadic

#661AB4 #B4661A #1AB466

tetradic

#661AB4 #B41A1B #68B41A #1AB4B3

square

#661AB4 #B41A1B #68B41A #1AB4B3

split-complementary

#661AB4 #B4B31A #1BB41A

monochromatic

#290B49 #48127F #661AB4 #842BE0 #A360E8

Accessibility & contrast

On white

8.85

#661AB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#661AB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661AB4

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661AB4	#FFFFFF	#000000	##FFFFFF
##661AB4	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB8

Deuteranopia (green-blind)

#0049B1

Tritanopia (blue-blind)

#52496B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #661ab4;
/* rgb */ color: rgb(102, 26, 180);
/* oklch */ color: oklch(43.7% 0.215 298.8);

Tailwind

colors: {
  custom: {
    50: '#9a63cc',
    500: '#661ab4',
    950: '#000000',
  },
}

SCSS

$custom: #661ab4;
$custom-light: #9a63cc;
$custom-dark: #000000;

JSON

{
  "hex": "#661ab4",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 180
  },
  "hsl": {
    "h": 269.61,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43721,
    "c": 0.21478,
    "h": 298.8
  },
  "luminance": 0.06859
}

Semantic roles & 50–950 ramp

primary

#661AB4

secondary

#96CC5D

accent

#F13695

background

#FAF6FC

surface

#F3EBF9

border

#CDC6D2

text

#0F0613

muted

#7F7A82

Preview Lab

Preview with #661AB4

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

Preview Lab → · Contrast checker → · Palette generator →