#661D81#661D81

#661D81 is a dark, vivid purple. Relative luminance 0.053; OKLCH L 39.6% C 0.163 H 315.0°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#661D81
RGB	rgb(102, 29, 129)
HSL	hsl(284, 63%, 31%)
HSV	hsv(284, 78%, 51%)
CMYK	cmyk(20.9%, 77.5%, 0%, 49.4%)
CIE-LAB	lab(27.54, 47.42, -40.96)
CIE-LCH	lch(27.54, 62.66, 319.18°)
OKLab	oklab(39.65% 0.1154 -0.1156)
OKLCH	oklch(39.65% 0.163 315)
XYZ	xyz(9.8807, 5.2889, 21.2650)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D81 #38811D

analogous

#341D81 #661D81 #811D6A

triadic

#661D81 #81661D #1D8166

tetradic

#661D81 #81341D #38811D #1D6A81

square

#661D81 #81341D #38811D #1D6A81

split-complementary

#661D81 #6A811D #1D8134

monochromatic

#17071D #3E124F #661D81 #8E28B3 #AE44D5

Accessibility & contrast

On white

10.21

#661D81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#661D81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D81

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D81	#FFFFFF	#000000	##FFFFFF
##661D81	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D84

Deuteranopia (green-blind)

#18437F

Tritanopia (blue-blind)

#64334E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #661d81;
/* rgb */ color: rgb(102, 29, 129);
/* oklch */ color: oklch(39.6% 0.163 315.0);

Tailwind

colors: {
  custom: {
    50: '#9562a6',
    500: '#661d81',
    950: '#000000',
  },
}

SCSS

$custom: #661d81;
$custom-light: #9562a6;
$custom-dark: #000000;

JSON

{
  "hex": "#661d81",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 129
  },
  "hsl": {
    "h": 283.8,
    "s": 63.291,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39649,
    "c": 0.16329,
    "h": 315
  },
  "luminance": 0.05288
}

Semantic roles & 50–950 ramp

primary

#661D81

secondary

#63B446

accent

#E6416E

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E050F

muted

#7E7A7F

Preview Lab

Preview with #661D81

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

Preview Lab → · Contrast checker → · Palette generator →