#661BA1#661BA1

#661BA1 is a dark, vivid violet. Relative luminance 0.062; OKLCH L 42.1% C 0.196 H 303.9°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#661BA1
RGB	rgb(102, 27, 161)
HSL	hsl(274, 71%, 37%)
HSV	hsv(274, 83%, 63%)
CMYK	cmyk(36.6%, 83.2%, 0%, 36.9%)
CIE-LAB	lab(29.87, 55.22, -56.95)
CIE-LCH	lch(29.87, 79.33, 314.12°)
OKLab	oklab(42.08% 0.1093 -0.1625)
OKLCH	oklch(42.08% 0.196 303.9)
XYZ	xyz(12.3029, 6.1819, 34.2564)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661BA1 #56A11B

analogous

#231BA1 #661BA1 #A11B99

triadic

#661BA1 #A1661B #1BA166

tetradic

#661BA1 #A1231B #56A11B #1B99A1

square

#661BA1 #A1231B #56A11B #1B99A1

split-complementary

#661BA1 #99A11B #1BA123

monochromatic

#240938 #45126D #661BA1 #8724D5 #A454E2

Accessibility & contrast

On white

9.39

#661BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#661BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661BA1

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661BA1	#FFFFFF	#000000	##FFFFFF
##661BA1	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A5

Deuteranopia (green-blind)

#00469E

Tritanopia (blue-blind)

#5A4160

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #661ba1;
/* rgb */ color: rgb(102, 27, 161);
/* oklch */ color: oklch(42.1% 0.196 303.9);

Tailwind

colors: {
  custom: {
    50: '#9862be',
    500: '#661ba1',
    950: '#000000',
  },
}

SCSS

$custom: #661ba1;
$custom-light: #9862be;
$custom-dark: #000000;

JSON

{
  "hex": "#661ba1",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 161
  },
  "hsl": {
    "h": 273.582,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.42079,
    "c": 0.19586,
    "h": 303.9
  },
  "luminance": 0.06182
}

Semantic roles & 50–950 ramp

primary

#661BA1

secondary

#85C552

accent

#EE3A89

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #661BA1

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

Preview Lab → · Contrast checker → · Palette generator →