#66102B#66102B

#66102B is a dark, moderate pink. Relative luminance 0.034; OKLCH L 33.8% C 0.119 H 8.5°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#66102B
RGB	rgb(102, 16, 43)
HSL	hsl(341, 73%, 23%)
HSV	hsv(341, 84%, 40%)
CMYK	cmyk(0%, 84.3%, 57.8%, 60%)
CIE-LAB	lab(21.47, 38.69, 6.91)
CIE-LCH	lch(21.47, 39.30, 10.12°)
OKLab	oklab(33.84% 0.1177 0.0176)
OKLCH	oklch(33.84% 0.119 8.5)
XYZ	xyz(6.1014, 3.3707, 2.6144)
Luminance	0.0337 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66102B #10664B

analogous

#661056 #66102B #662010

triadic

#66102B #2B6610 #102B66

tetradic

#66102B #566610 #10664B #201066

square

#66102B #566610 #10664B #201066

split-complementary

#66102B #106620 #105666

monochromatic

#1A040B #310815 #66102B #9B1841 #D02158

Accessibility & contrast

On white

12.54

#66102B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#66102B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66102B

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66102B	#FFFFFF	#000000	##FFFFFF
##66102B	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27282B

Deuteranopia (green-blind)

#3E3A29

Tritanopia (blue-blind)

#70001C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #66102b;
/* rgb */ color: rgb(102, 16, 43);
/* oklch */ color: oklch(33.8% 0.119 8.5);

Tailwind

colors: {
  custom: {
    50: '#975964',
    500: '#66102b',
    950: '#000000',
  },
}

SCSS

$custom: #66102b;
$custom-light: #975964;
$custom-dark: #000000;

JSON

{
  "hex": "#66102b",
  "rgb": {
    "r": 102,
    "g": 16,
    "b": 43
  },
  "hsl": {
    "h": 341.163,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33839,
    "c": 0.11904,
    "h": 8.5
  },
  "luminance": 0.0337
}

Semantic roles & 50–950 ramp

primary

#66102B

secondary

#339E7D

accent

#F0B638

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #66102B

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

Preview Lab → · Contrast checker → · Palette generator →