#661583#661583

#661583 is a dark, vivid purple. Relative luminance 0.050; OKLCH L 39.1% C 0.173 H 314.7°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#661583
RGB	rgb(102, 21, 131)
HSL	hsl(284, 72%, 30%)
HSV	hsv(284, 84%, 51%)
CMYK	cmyk(22.1%, 84%, 0%, 48.6%)
CIE-LAB	lab(26.74, 50.60, -43.53)
CIE-LCH	lch(26.74, 66.75, 319.30°)
OKLab	oklab(39.13% 0.1219 -0.123)
OKLCH	oklch(39.13% 0.173 314.7)
XYZ	xyz(9.8437, 5.0002, 21.9149)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661583 #328315

analogous

#2F1583 #661583 #831569

triadic

#661583 #836615 #158366

tetradic

#661583 #832F15 #328315 #156983

square

#661583 #832F15 #328315 #156983

split-complementary

#661583 #698315 #15832F

monochromatic

#15041A #3D0D4E #661583 #8F1DB8 #B234DE

Accessibility & contrast

On white

10.50

#661583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#661583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661583

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661583	#FFFFFF	#000000	##FFFFFF
##661583	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B86

Deuteranopia (green-blind)

#0C4181

Tritanopia (blue-blind)

#63304D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #661583;
/* rgb */ color: rgb(102, 21, 131);
/* oklch */ color: oklch(39.1% 0.173 314.7);

Tailwind

colors: {
  custom: {
    50: '#965ea8',
    500: '#661583',
    950: '#000000',
  },
}

SCSS

$custom: #661583;
$custom-light: #965ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#661583",
  "rgb": {
    "r": 102,
    "g": 21,
    "b": 131
  },
  "hsl": {
    "h": 284.182,
    "s": 72.368,
    "l": 29.804
  },
  "oklch": {
    "l": 0.39129,
    "c": 0.17319,
    "h": 314.7
  },
  "luminance": 0.05
}

Semantic roles & 50–950 ramp

primary

#661583

secondary

#5DB83C

accent

#EF3969

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #661583

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

Preview Lab → · Contrast checker → · Palette generator →