#661B66#661B66

#661B66 is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.6% C 0.141 H 327.9°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#661B66
RGB	rgb(102, 27, 102)
HSL	hsl(300, 58%, 25%)
HSV	hsv(300, 74%, 40%)
CMYK	cmyk(0%, 73.5%, 0%, 60%)
CIE-LAB	lab(25.47, 42.81, -27.02)
CIE-LCH	lch(25.47, 50.63, 327.74°)
OKLab	oklab(37.6% 0.1194 -0.0748)
OKLCH	oklch(37.6% 0.141 327.9)
XYZ	xyz(8.2696, 4.5685, 13.0141)
Luminance	0.0457 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B66 #1B661B

analogous

#401B66 #661B66 #661B40

triadic

#661B66 #66661B #1B6666

tetradic

#661B66 #66401B #1B661B #1B4066

square

#661B66 #66401B #1B661B #1B4066

split-complementary

#661B66 #40661B #1B6640

monochromatic

#180618 #360E36 #661B66 #962896 #C735C7

Accessibility & contrast

On white

10.97

#661B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#661B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B66

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B66	#FFFFFF	#000000	##FFFFFF
##661B66	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3668

Deuteranopia (green-blind)

#2F4064

Tritanopia (blue-blind)

#69263E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #661b66;
/* rgb */ color: rgb(102, 27, 102);
/* oklch */ color: oklch(37.6% 0.141 327.9);

Tailwind

colors: {
  custom: {
    50: '#945f92',
    500: '#661b66',
    950: '#000000',
  },
}

SCSS

$custom: #661b66;
$custom-light: #945f92;
$custom-dark: #000000;

JSON

{
  "hex": "#661b66",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 102
  },
  "hsl": {
    "h": 300,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.37595,
    "c": 0.14089,
    "h": 327.9
  },
  "luminance": 0.04568
}

Semantic roles & 50–950 ramp

primary

#661B66

secondary

#419B41

accent

#E14646

background

#F9F5F9

surface

#F2EAF1

border

#CCC6CB

text

#0E050D

muted

#7E797E

Preview Lab

Preview with #661B66

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

Preview Lab → · Contrast checker → · Palette generator →