#661F83#661F83

#661F83 is a dark, vivid purple. Relative luminance 0.054; OKLCH L 40.0% C 0.163 H 314.0°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#661F83
RGB	rgb(102, 31, 131)
HSL	hsl(283, 62%, 32%)
HSV	hsv(283, 76%, 51%)
CMYK	cmyk(22.1%, 76.3%, 0%, 48.6%)
CIE-LAB	lab(27.96, 47.06, -41.54)
CIE-LCH	lch(27.96, 62.77, 318.56°)
OKLab	oklab(39.99% 0.1131 -0.1173)
OKLCH	oklch(39.99% 0.163 314)
XYZ	xyz(10.0655, 5.4438, 21.9889)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.87

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F83 #3C831F

analogous

#341F83 #661F83 #831F6E

triadic

#661F83 #83661F #1F8366

tetradic

#661F83 #83341F #3C831F #1F6E83

square

#661F83 #83341F #3C831F #1F6E83

split-complementary

#661F83 #6E831F #1F8334

monochromatic

#190820 #3F1352 #661F83 #8D2BB4 #AB49D4

Accessibility & contrast

On white

10.05

#661F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#661F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F83

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F83	#FFFFFF	#000000	##FFFFFF
##661F83	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E86

Deuteranopia (green-blind)

#184481

Tritanopia (blue-blind)

#63354F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #661f83;
/* rgb */ color: rgb(102, 31, 131);
/* oklch */ color: oklch(40.0% 0.163 314.0);

Tailwind

colors: {
  custom: {
    50: '#9563a8',
    500: '#661f83',
    950: '#000000',
  },
}

SCSS

$custom: #661f83;
$custom-light: #9563a8;
$custom-dark: #000000;

JSON

{
  "hex": "#661f83",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 131
  },
  "hsl": {
    "h": 282.6,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39994,
    "c": 0.16292,
    "h": 314
  },
  "luminance": 0.05443
}

Semantic roles & 50–950 ramp

primary

#661F83

secondary

#68B648

accent

#E54372

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #661F83

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

Preview Lab → · Contrast checker → · Palette generator →