#66105B#66105B

#66105B is a dark, vivid purple. Relative luminance 0.040; OKLCH L 36.0% C 0.144 H 334.2°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#66105B
RGB	rgb(102, 16, 91)
HSL	hsl(308, 73%, 23%)
HSV	hsv(308, 84%, 40%)
CMYK	cmyk(0%, 84.3%, 10.8%, 60%)
CIE-LAB	lab(23.51, 44.66, -22.89)
CIE-LCH	lch(23.51, 50.19, 332.86°)
OKLab	oklab(35.98% 0.1299 -0.0628)
OKLCH	oklch(35.98% 0.144 334.2)
XYZ	xyz(7.5532, 3.9514, 10.2604)
Luminance	0.0395 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66105B #10661B

analogous

#461066 #66105B #661030

triadic

#66105B #5B6610 #105B66

tetradic

#66105B #664610 #10661B #103066

square

#66105B #664610 #10661B #103066

split-complementary

#66105B #306610 #106646

monochromatic

#1A0418 #31082C #66105B #9B188A #D021B9

Accessibility & contrast

On white

11.73

#66105B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#66105B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66105B

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66105B	#FFFFFF	#000000	##FFFFFF
##66105B	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E305D

Deuteranopia (green-blind)

#303C59

Tritanopia (blue-blind)

#6B1935

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #66105b;
/* rgb */ color: rgb(102, 16, 91);
/* oklch */ color: oklch(36.0% 0.144 334.2);

Tailwind

colors: {
  custom: {
    50: '#955b89',
    500: '#66105b',
    950: '#000000',
  },
}

SCSS

$custom: #66105b;
$custom-light: #955b89;
$custom-dark: #000000;

JSON

{
  "hex": "#66105b",
  "rgb": {
    "r": 102,
    "g": 16,
    "b": 91
  },
  "hsl": {
    "h": 307.674,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.35982,
    "c": 0.14428,
    "h": 334.2
  },
  "luminance": 0.03951
}

Semantic roles & 50–950 ramp

primary

#66105B

secondary

#339E41

accent

#F05038

background

#F9F5F8

surface

#F2E9F0

border

#CCC5CB

text

#0E040B

muted

#7E797C

Preview Lab

Preview with #66105B

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

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