#661F8A#661F8A

#661F8A is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.5% C 0.170 H 311.2°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#661F8A
RGB	rgb(102, 31, 138)
HSL	hsl(280, 63%, 33%)
HSV	hsv(280, 78%, 54%)
CMYK	cmyk(26.1%, 77.5%, 0%, 45.9%)
CIE-LAB	lab(28.49, 48.59, -45.07)
CIE-LCH	lch(28.49, 66.27, 317.15°)
OKLab	oklab(40.53% 0.1119 -0.1276)
OKLCH	oklch(40.53% 0.17 311.2)
XYZ	xyz(10.5560, 5.6400, 24.5724)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.21

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F8A #438A1F

analogous

#301F8A #661F8A #8A1F78

triadic

#661F8A #8A661F #1F8A66

tetradic

#661F8A #8A301F #438A1F #1F788A

square

#661F8A #8A301F #438A1F #1F788A

split-complementary

#661F8A #788A1F #1F8A30

monochromatic

#1C0926 #411458 #661F8A #8B2ABC #A84CD7

Accessibility & contrast

On white

9.87

#661F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#661F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F8A

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F8A	#FFFFFF	#000000	##FFFFFF
##661F8A	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408D

Deuteranopia (green-blind)

#094488

Tritanopia (blue-blind)

#613853

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #661f8a;
/* rgb */ color: rgb(102, 31, 138);
/* oklch */ color: oklch(40.5% 0.170 311.2);

Tailwind

colors: {
  custom: {
    50: '#9663ad',
    500: '#661f8a',
    950: '#000000',
  },
}

SCSS

$custom: #661f8a;
$custom-light: #9663ad;
$custom-dark: #000000;

JSON

{
  "hex": "#661f8a",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 138
  },
  "hsl": {
    "h": 279.813,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40528,
    "c": 0.16974,
    "h": 311.2
  },
  "luminance": 0.0564
}

Semantic roles & 50–950 ramp

primary

#661F8A

secondary

#70BA4B

accent

#E64179

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #661F8A

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

Preview Lab → · Contrast checker → · Palette generator →