#661B77#661B77

#661B77 is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.7% C 0.156 H 319.4°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#661B77
RGB	rgb(102, 27, 119)
HSL	hsl(289, 63%, 29%)
HSV	hsv(289, 77%, 47%)
CMYK	cmyk(14.3%, 77.3%, 0%, 53.3%)
CIE-LAB	lab(26.57, 46.10, -36.21)
CIE-LCH	lch(26.57, 58.62, 321.85°)
OKLab	oklab(38.73% 0.1186 -0.1016)
OKLCH	oklch(38.73% 0.156 319.4)
XYZ	xyz(9.2008, 4.9410, 17.9183)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B77 #2C771B

analogous

#381B77 #661B77 #771B5A

triadic

#661B77 #77661B #1B7766

tetradic

#661B77 #77381B #2C771B #1B5A77

square

#661B77 #77381B #2C771B #1B5A77

split-complementary

#661B77 #5A771B #1B7738

monochromatic

#150619 #3B1045 #661B77 #9126A9 #B63AD2

Accessibility & contrast

On white

10.56

#661B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#661B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B77

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B77	#FFFFFF	#000000	##FFFFFF
##661B77	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7A

Deuteranopia (green-blind)

#224175

Tritanopia (blue-blind)

#662E48

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #661b77;
/* rgb */ color: rgb(102, 27, 119);
/* oklch */ color: oklch(38.7% 0.156 319.4);

Tailwind

colors: {
  custom: {
    50: '#95609f',
    500: '#661b77',
    950: '#000000',
  },
}

SCSS

$custom: #661b77;
$custom-light: #95609f;
$custom-dark: #000000;

JSON

{
  "hex": "#661b77",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 119
  },
  "hsl": {
    "h": 288.913,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38731,
    "c": 0.1562,
    "h": 319.4
  },
  "luminance": 0.04941
}

Semantic roles & 50–950 ramp

primary

#661B77

secondary

#56AB42

accent

#E64260

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050E

muted

#7E797E

Preview Lab

Preview with #661B77

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

Preview Lab → · Contrast checker → · Palette generator →