#661C83#661C83

#661C83 is a dark, vivid purple. Relative luminance 0.053; OKLCH L 39.7% C 0.166 H 314.2°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#661C83
RGB	rgb(102, 28, 131)
HSL	hsl(283, 65%, 31%)
HSV	hsv(283, 79%, 51%)
CMYK	cmyk(22.1%, 78.6%, 0%, 48.6%)
CIE-LAB	lab(27.56, 48.22, -42.20)
CIE-LCH	lch(27.56, 64.08, 318.81°)
OKLab	oklab(39.71% 0.116 -0.1192)
OKLCH	oklch(39.71% 0.166 314.2)
XYZ	xyz(9.9908, 5.2943, 21.9640)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.57

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C83 #39831C

analogous

#321C83 #661C83 #831C6C

triadic

#661C83 #83661C #1C8366

tetradic

#661C83 #83321C #39831C #1C6C83

square

#661C83 #83321C #39831C #1C6C83

split-complementary

#661C83 #6C831C #1C8332

monochromatic

#17061E #3F1151 #661C83 #8D27B5 #AD43D7

Accessibility & contrast

On white

10.20

#661C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#661C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C83

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C83	#FFFFFF	#000000	##FFFFFF
##661C83	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D86

Deuteranopia (green-blind)

#144381

Tritanopia (blue-blind)

#63344F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #661c83;
/* rgb */ color: rgb(102, 28, 131);
/* oklch */ color: oklch(39.7% 0.166 314.2);

Tailwind

colors: {
  custom: {
    50: '#9561a8',
    500: '#661c83',
    950: '#000000',
  },
}

SCSS

$custom: #661c83;
$custom-light: #9561a8;
$custom-dark: #000000;

JSON

{
  "hex": "#661c83",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 131
  },
  "hsl": {
    "h": 283.107,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.39706,
    "c": 0.16629,
    "h": 314.2
  },
  "luminance": 0.05294
}

Semantic roles & 50–950 ramp

primary

#661C83

secondary

#65B645

accent

#E8406F

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #661C83

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

Preview Lab → · Contrast checker → · Palette generator →