#661AB1#661AB1

#661AB1 is a dark, highly saturated violet. Relative luminance 0.067; OKLCH L 43.4% C 0.212 H 299.6°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#661AB1
RGB	rgb(102, 26, 177)
HSL	hsl(270, 74%, 40%)
HSV	hsv(270, 85%, 69%)
CMYK	cmyk(42.4%, 85.3%, 0%, 30.6%)
CIE-LAB	lab(31.20, 59.23, -64.39)
CIE-LCH	lch(31.20, 87.49, 312.61°)
OKLab	oklab(43.44% 0.1046 -0.1843)
OKLCH	oklch(43.44% 0.212 299.6)
XYZ	xyz(13.7827, 6.7377, 42.1608)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661AB1 #65B11A

analogous

#1B1AB1 #661AB1 #B11AB0

triadic

#661AB1 #B1661A #1AB166

tetradic

#661AB1 #B11B1A #65B11A #1AB0B1

square

#661AB1 #B11B1A #65B11A #1AB0B1

split-complementary

#661AB1 #B0B11A #1AB11B

monochromatic

#280A46 #47127C #661AB1 #8529E0 #A35EE7

Accessibility & contrast

On white

8.95

#661AB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#661AB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661AB1

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661AB1	#FFFFFF	#000000	##FFFFFF
##661AB1	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B5

Deuteranopia (green-blind)

#0048AE

Tritanopia (blue-blind)

#534869

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #661ab1;
/* rgb */ color: rgb(102, 26, 177);
/* oklch */ color: oklch(43.4% 0.212 299.6);

Tailwind

colors: {
  custom: {
    50: '#9a63c9',
    500: '#661ab1',
    950: '#000000',
  },
}

SCSS

$custom: #661ab1;
$custom-light: #9a63c9;
$custom-dark: #000000;

JSON

{
  "hex": "#661ab1",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 177
  },
  "hsl": {
    "h": 270.199,
    "s": 74.384,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43443,
    "c": 0.21192,
    "h": 299.6
  },
  "luminance": 0.06738
}

Semantic roles & 50–950 ramp

primary

#661AB1

secondary

#93CB5B

accent

#F13793

background

#FAF6FC

surface

#F3EBF8

border

#CDC6D1

text

#0F0613

muted

#7F7A82

Preview Lab

Preview with #661AB1

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

Preview Lab → · Contrast checker → · Palette generator →