#661F81#661F81

#661F81 is a dark, vivid purple. Relative luminance 0.054; OKLCH L 39.8% C 0.161 H 314.8°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#661F81
RGB	rgb(102, 31, 129)
HSL	hsl(283, 61%, 31%)
HSV	hsv(283, 76%, 51%)
CMYK	cmyk(20.9%, 76%, 0%, 49.4%)
CIE-LAB	lab(27.82, 46.63, -40.52)
CIE-LCH	lch(27.82, 61.77, 319.01°)
OKLab	oklab(39.85% 0.1134 -0.1143)
OKLCH	oklch(39.85% 0.161 314.8)
XYZ	xyz(9.9313, 5.3901, 21.2819)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F81 #3A811F

analogous

#351F81 #661F81 #811F6B

triadic

#661F81 #81661F #1F8166

tetradic

#661F81 #81351F #3A811F #1F6B81

square

#661F81 #81351F #3A811F #1F6B81

split-complementary

#661F81 #6B811F #1F8135

monochromatic

#18071E #3F1350 #661F81 #8D2BB2 #AC47D3

Accessibility & contrast

On white

10.11

#661F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#661F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F81

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F81	#FFFFFF	#000000	##FFFFFF
##661F81	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E84

Deuteranopia (green-blind)

#1A437F

Tritanopia (blue-blind)

#64344E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #661f81;
/* rgb */ color: rgb(102, 31, 129);
/* oklch */ color: oklch(39.8% 0.161 314.8);

Tailwind

colors: {
  custom: {
    50: '#9562a6',
    500: '#661f81',
    950: '#000000',
  },
}

SCSS

$custom: #661f81;
$custom-light: #9562a6;
$custom-dark: #000000;

JSON

{
  "hex": "#661f81",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 129
  },
  "hsl": {
    "h": 283.469,
    "s": 61.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.39845,
    "c": 0.16097,
    "h": 314.8
  },
  "luminance": 0.0539
}

Semantic roles & 50–950 ramp

primary

#661F81

secondary

#66B448

accent

#E44370

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E060F

muted

#7E7A7F

Preview Lab

Preview with #661F81

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

Preview Lab → · Contrast checker → · Palette generator →