#661AB3#661AB3

#661AB3 is a dark, highly saturated violet. Relative luminance 0.068; OKLCH L 43.6% C 0.214 H 299.0°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#661AB3
RGB	rgb(102, 26, 179)
HSL	hsl(270, 75%, 40%)
HSV	hsv(270, 85%, 70%)
CMYK	cmyk(43%, 85.5%, 0%, 29.8%)
CIE-LAB	lab(31.39, 59.69, -65.28)
CIE-LCH	lch(31.39, 88.45, 312.44°)
OKLab	oklab(43.63% 0.1038 -0.1869)
OKLCH	oklch(43.63% 0.214 299)
XYZ	xyz(13.9835, 6.8180, 43.2184)
Luminance	0.0682 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661AB3 #67B31A

analogous

#1A1AB3 #661AB3 #B21AB3

triadic

#661AB3 #B3661A #1AB366

tetradic

#661AB3 #B31A1A #67B31A #1AB3B2

square

#661AB3 #B31A1A #67B31A #1AB3B2

split-complementary

#661AB3 #B3B21A #1AB31A

monochromatic

#290A48 #48127E #661AB3 #852AE0 #A360E8

Accessibility & contrast

On white

8.88

#661AB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#661AB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661AB3

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661AB3	#FFFFFF	#000000	##FFFFFF
##661AB3	1.00	8.88	2.36	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB7

Deuteranopia (green-blind)

#0048B0

Tritanopia (blue-blind)

#53496A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #661ab3;
/* rgb */ color: rgb(102, 26, 179);
/* oklch */ color: oklch(43.6% 0.214 299.0);

Tailwind

colors: {
  custom: {
    50: '#9a63cb',
    500: '#661ab3',
    950: '#000000',
  },
}

SCSS

$custom: #661ab3;
$custom-light: #9a63cb;
$custom-dark: #000000;

JSON

{
  "hex": "#661ab3",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 179
  },
  "hsl": {
    "h": 269.804,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.43628,
    "c": 0.21383,
    "h": 299
  },
  "luminance": 0.06818
}

Semantic roles & 50–950 ramp

primary

#661AB3

secondary

#95CC5D

accent

#F13795

background

#FAF6FC

surface

#F3EBF9

border

#CDC6D2

text

#0F0613

muted

#7F7A82

Preview Lab

Preview with #661AB3

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

Preview Lab → · Contrast checker → · Palette generator →