#661D83#661D83

#661D83 is a dark, vivid purple. Relative luminance 0.053; OKLCH L 39.8% C 0.165 H 314.1°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#661D83
RGB	rgb(102, 29, 131)
HSL	hsl(283, 64%, 31%)
HSV	hsv(283, 78%, 51%)
CMYK	cmyk(22.1%, 77.9%, 0%, 48.6%)
CIE-LAB	lab(27.69, 47.84, -41.98)
CIE-LCH	lch(27.69, 63.65, 318.73°)
OKLab	oklab(39.8% 0.115 -0.1186)
OKLCH	oklch(39.8% 0.165 314.1)
XYZ	xyz(10.0149, 5.3425, 21.9720)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.66

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D83 #3A831D

analogous

#331D83 #661D83 #831D6D

triadic

#661D83 #83661D #1D8366

tetradic

#661D83 #83331D #3A831D #1D6D83

square

#661D83 #83331D #3A831D #1D6D83

split-complementary

#661D83 #6D831D #1D8333

monochromatic

#18071F #3F1251 #661D83 #8D28B5 #AC45D6

Accessibility & contrast

On white

10.15

#661D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#661D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D83

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D83	#FFFFFF	#000000	##FFFFFF
##661D83	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D86

Deuteranopia (green-blind)

#154381

Tritanopia (blue-blind)

#63344F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #661d83;
/* rgb */ color: rgb(102, 29, 131);
/* oklch */ color: oklch(39.8% 0.165 314.1);

Tailwind

colors: {
  custom: {
    50: '#9562a8',
    500: '#661d83',
    950: '#000000',
  },
}

SCSS

$custom: #661d83;
$custom-light: #9562a8;
$custom-dark: #000000;

JSON

{
  "hex": "#661d83",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 131
  },
  "hsl": {
    "h": 282.941,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.398,
    "c": 0.1652,
    "h": 314.1
  },
  "luminance": 0.05342
}

Semantic roles & 50–950 ramp

primary

#661D83

secondary

#66B646

accent

#E74170

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #661D83

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

Preview Lab → · Contrast checker → · Palette generator →