#661C40#661C40

#661C40 is a dark, moderate pink. Relative luminance 0.040; OKLCH L 35.7% C 0.112 H 354.4°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#661C40
RGB	rgb(102, 28, 64)
HSL	hsl(331, 57%, 25%)
HSV	hsv(331, 73%, 40%)
CMYK	cmyk(0%, 72.5%, 37.3%, 60%)
CIE-LAB	lab(23.76, 36.41, -4.33)
CIE-LCH	lch(23.76, 36.66, 353.22°)
OKLab	oklab(35.75% 0.1114 -0.011)
OKLCH	oklch(35.75% 0.112 354.4)
XYZ	xyz(6.8206, 4.0262, 5.2675)
Luminance	0.0403 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C40 #1C6642

analogous

#661C65 #661C40 #661D1C

triadic

#661C40 #40661C #1C4066

tetradic

#661C40 #65661C #1C6642 #1D1C66

square

#661C40 #65661C #1C6642 #1D1C66

split-complementary

#661C40 #1C661D #1C6566

monochromatic

#18070F #360F22 #661C40 #96295E #C6367C

Accessibility & contrast

On white

11.63

#661C40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#661C40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C40

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C40	#FFFFFF	#000000	##FFFFFF
##661C40	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293041

Deuteranopia (green-blind)

#3D3E3E

Tritanopia (blue-blind)

#6E162B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #661c40;
/* rgb */ color: rgb(102, 28, 64);
/* oklch */ color: oklch(35.7% 0.112 354.4);

Tailwind

colors: {
  custom: {
    50: '#955e74',
    500: '#661c40',
    950: '#000000',
  },
}

SCSS

$custom: #661c40;
$custom-light: #955e74;
$custom-dark: #000000;

JSON

{
  "hex": "#661c40",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 64
  },
  "hsl": {
    "h": 330.811,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35746,
    "c": 0.11193,
    "h": 354.4
  },
  "luminance": 0.04025
}

Semantic roles & 50–950 ramp

primary

#661C40

secondary

#439B70

accent

#E09648

background

#F9F5F7

surface

#F2E9ED

border

#CCC5C8

text

#0E0508

muted

#7E797B

Preview Lab

Preview with #661C40

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

Preview Lab → · Contrast checker → · Palette generator →