#661B31#661B31

#661B31 is a dark, moderate pink. Relative luminance 0.038; OKLCH L 35.1% C 0.108 H 7.0°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#661B31
RGB	rgb(102, 27, 49)
HSL	hsl(342, 58%, 25%)
HSV	hsv(342, 74%, 40%)
CMYK	cmyk(0%, 73.5%, 52%, 60%)
CIE-LAB	lab(23.11, 35.14, 5.03)
CIE-LCH	lch(23.11, 35.49, 8.14°)
OKLab	oklab(35.1% 0.1071 0.0131)
OKLCH	oklch(35.1% 0.108 7)
XYZ	xyz(6.4263, 3.8312, 3.3062)
Luminance	0.0383 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B31 #1B6650

analogous

#661B56 #661B31 #662A1B

triadic

#661B31 #31661B #1B3166

tetradic

#661B31 #56661B #1B6650 #2A1B66

square

#661B31 #56661B #1B6650 #2A1B66

split-complementary

#661B31 #1B662A #1B5666

monochromatic

#18060C #360E1A #661B31 #962848 #C7355F

Accessibility & contrast

On white

11.89

#661B31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#661B31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B31

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B31	#FFFFFF	#000000	##FFFFFF
##661B31	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2E31

Deuteranopia (green-blind)

#403D2F

Tritanopia (blue-blind)

#6F0E24

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #661b31;
/* rgb */ color: rgb(102, 27, 49);
/* oklch */ color: oklch(35.1% 0.108 7.0);

Tailwind

colors: {
  custom: {
    50: '#965d68',
    500: '#661b31',
    950: '#000000',
  },
}

SCSS

$custom: #661b31;
$custom-light: #965d68;
$custom-dark: #000000;

JSON

{
  "hex": "#661b31",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 49
  },
  "hsl": {
    "h": 342.4,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35101,
    "c": 0.10787,
    "h": 7
  },
  "luminance": 0.0383
}

Semantic roles & 50–950 ramp

primary

#661B31

secondary

#419B81

accent

#E1B446

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0506

muted

#7E797A

Preview Lab

Preview with #661B31

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

Preview Lab → · Contrast checker → · Palette generator →