#66103B#66103B

#66103B is a dark, vivid pink. Relative luminance 0.035; OKLCH L 34.4% C 0.124 H 355.9°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#66103B
RGB	rgb(102, 16, 59)
HSL	hsl(330, 73%, 23%)
HSV	hsv(330, 84%, 40%)
CMYK	cmyk(0%, 84.3%, 42.2%, 60%)
CIE-LAB	lab(21.99, 40.25, -3.52)
CIE-LCH	lch(21.99, 40.41, 355.00°)
OKLab	oklab(34.39% 0.1238 -0.0088)
OKLCH	oklch(34.39% 0.124 355.9)
XYZ	xyz(6.4547, 3.5120, 4.4748)
Luminance	0.0351 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66103B #10663B

analogous

#661066 #66103B #661010

triadic

#66103B #3B6610 #103B66

tetradic

#66103B #666610 #10663B #101066

square

#66103B #666610 #10663B #101066

split-complementary

#66103B #106610 #106666

monochromatic

#1A040F #31081C #66103B #9B185A #D02178

Accessibility & contrast

On white

12.34

#66103B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#66103B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66103B

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66103B	#FFFFFF	#000000	##FFFFFF
##66103B	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232A3C

Deuteranopia (green-blind)

#3B3A39

Tritanopia (blue-blind)

#6F0324

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #66103b;
/* rgb */ color: rgb(102, 16, 59);
/* oklch */ color: oklch(34.4% 0.124 355.9);

Tailwind

colors: {
  custom: {
    50: '#965970',
    500: '#66103b',
    950: '#000000',
  },
}

SCSS

$custom: #66103b;
$custom-light: #965970;
$custom-dark: #000000;

JSON

{
  "hex": "#66103b",
  "rgb": {
    "r": 102,
    "g": 16,
    "b": 59
  },
  "hsl": {
    "h": 330,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.34386,
    "c": 0.12415,
    "h": 355.9
  },
  "luminance": 0.03511
}

Semantic roles & 50–950 ramp

primary

#66103B

secondary

#339E69

accent

#F09438

background

#F9F5F6

surface

#F2E9EC

border

#CCC5C7

text

#0E0407

muted

#7E797A

Preview Lab

Preview with #66103B

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

Preview Lab → · Contrast checker → · Palette generator →