#661B79#661B79

#661B79 is a dark, vivid purple. Relative luminance 0.050; OKLCH L 38.9% C 0.158 H 318.5°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#661B79
RGB	rgb(102, 27, 121)
HSL	hsl(288, 64%, 29%)
HSV	hsv(288, 78%, 47%)
CMYK	cmyk(15.7%, 77.7%, 0%, 52.5%)
CIE-LAB	lab(26.71, 46.51, -37.26)
CIE-LCH	lch(26.71, 59.59, 321.30°)
OKLab	oklab(38.87% 0.1184 -0.1047)
OKLCH	oklch(38.87% 0.158 318.5)
XYZ	xyz(9.3221, 4.9896, 18.5575)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B79 #2E791B

analogous

#371B79 #661B79 #791B5D

triadic

#661B79 #79661B #1B7966

tetradic

#661B79 #79371B #2E791B #1B5D79

square

#661B79 #79371B #2E791B #1B5D79

split-complementary

#661B79 #5D791B #1B7937

monochromatic

#150619 #3C1047 #661B79 #9026AB #B53BD3

Accessibility & contrast

On white

10.51

#661B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#661B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B79

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B79	#FFFFFF	#000000	##FFFFFF
##661B79	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7C

Deuteranopia (green-blind)

#204177

Tritanopia (blue-blind)

#662F49

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #661b79;
/* rgb */ color: rgb(102, 27, 121);
/* oklch */ color: oklch(38.9% 0.158 318.5);

Tailwind

colors: {
  custom: {
    50: '#9560a0',
    500: '#661b79',
    950: '#000000',
  },
}

SCSS

$custom: #661b79;
$custom-light: #9560a0;
$custom-dark: #000000;

JSON

{
  "hex": "#661b79",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 121
  },
  "hsl": {
    "h": 287.872,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38874,
    "c": 0.15804,
    "h": 318.5
  },
  "luminance": 0.04989
}

Semantic roles & 50–950 ramp

primary

#661B79

secondary

#58AD43

accent

#E74163

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050F

muted

#7E797E

Preview Lab

Preview with #661B79

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

Preview Lab → · Contrast checker → · Palette generator →