#661A8D#661A8D

#661A8D is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.3% C 0.178 H 310.6°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#661A8D
RGB	rgb(102, 26, 141)
HSL	hsl(280, 69%, 33%)
HSV	hsv(280, 82%, 55%)
CMYK	cmyk(27.7%, 81.6%, 0%, 44.7%)
CIE-LAB	lab(28.08, 51.10, -47.59)
CIE-LCH	lch(28.08, 69.83, 317.04°)
OKLab	oklab(40.32% 0.1157 -0.135)
OKLCH	oklch(40.32% 0.178 310.6)
XYZ	xyz(10.6557, 5.4869, 25.6919)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661A8D #418D1A

analogous

#2C1A8D #661A8D #8D1A7A

triadic

#661A8D #8D661A #1A8D66

tetradic

#661A8D #8D2C1A #418D1A #1A7A8D

square

#661A8D #8D2C1A #418D1A #1A7A8D

split-complementary

#661A8D #7A8D1A #1A8D2C

monochromatic

#1B0726 #411059 #661A8D #8B24C1 #A945DD

Accessibility & contrast

On white

10.01

#661A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#661A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661A8D

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661A8D	#FFFFFF	#000000	##FFFFFF
##661A8D	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F90

Deuteranopia (green-blind)

#00438B

Tritanopia (blue-blind)

#613754

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #661a8d;
/* rgb */ color: rgb(102, 26, 141);
/* oklch */ color: oklch(40.3% 0.178 310.6);

Tailwind

colors: {
  custom: {
    50: '#9661af',
    500: '#661a8d',
    950: '#000000',
  },
}

SCSS

$custom: #661a8d;
$custom-light: #9661af;
$custom-dark: #000000;

JSON

{
  "hex": "#661a8d",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 141
  },
  "hsl": {
    "h": 279.652,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.40316,
    "c": 0.17777,
    "h": 310.6
  },
  "luminance": 0.05487
}

Semantic roles & 50–950 ramp

primary

#661A8D

secondary

#6EBE45

accent

#EC3C78

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #661A8D

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

Preview Lab → · Contrast checker → · Palette generator →