#661B4B#661B4B

#661B4B is a dark, moderate pink. Relative luminance 0.041; OKLCH L 36.1% C 0.120 H 345.4°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#661B4B
RGB	rgb(102, 27, 75)
HSL	hsl(322, 58%, 25%)
HSV	hsv(322, 74%, 40%)
CMYK	cmyk(0%, 73.5%, 26.5%, 60%)
CIE-LAB	lab(24.06, 38.33, -11.34)
CIE-LCH	lch(24.06, 39.98, 343.52°)
OKLab	oklab(36.11% 0.1159 -0.0301)
OKLCH	oklch(36.11% 0.12 345.4)
XYZ	xyz(7.1417, 4.1174, 7.0739)
Luminance	0.0412 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B4B #1B6636

analogous

#5B1B66 #661B4B #661B25

triadic

#661B4B #4B661B #1B4B66

tetradic

#661B4B #665B1B #1B6636 #1B2566

square

#661B4B #665B1B #1B6636 #1B2566

split-complementary

#661B4B #25661B #1B665B

monochromatic

#180612 #360E27 #661B4B #96286F #C73592

Accessibility & contrast

On white

11.52

#661B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#661B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B4B

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B4B	#FFFFFF	#000000	##FFFFFF
##661B4B	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24314C

Deuteranopia (green-blind)

#3A3E49

Tritanopia (blue-blind)

#6D1A30

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #661b4b;
/* rgb */ color: rgb(102, 27, 75);
/* oklch */ color: oklch(36.1% 0.120 345.4);

Tailwind

colors: {
  custom: {
    50: '#955e7d',
    500: '#661b4b',
    950: '#000000',
  },
}

SCSS

$custom: #661b4b;
$custom-light: #955e7d;
$custom-dark: #000000;

JSON

{
  "hex": "#661b4b",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 75
  },
  "hsl": {
    "h": 321.6,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.36112,
    "c": 0.11974,
    "h": 345.4
  },
  "luminance": 0.04117
}

Semantic roles & 50–950 ramp

primary

#661B4B

secondary

#419B62

accent

#E17E46

background

#F9F5F7

surface

#F2E9EE

border

#CCC5C9

text

#0E0509

muted

#7E797B

Preview Lab

Preview with #661B4B

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

Preview Lab → · Contrast checker → · Palette generator →