#661D2C#661D2C

#661D2C is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.104 H 12.2°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#661D2C
RGB	rgb(102, 29, 44)
HSL	hsl(348, 56%, 26%)
HSV	hsv(348, 72%, 40%)
CMYK	cmyk(0%, 71.6%, 56.9%, 60%)
CIE-LAB	lab(23.29, 33.78, 8.73)
CIE-LCH	lch(23.29, 34.89, 14.50°)
OKLab	oklab(35.2% 0.1021 0.0221)
OKLCH	oklch(35.2% 0.104 12.2)
XYZ	xyz(6.3740, 3.8862, 2.7968)
Luminance	0.0389 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D2C #1D6657

analogous

#661D50 #661D2C #66321D

triadic

#661D2C #2C661D #1D2C66

tetradic

#661D2C #50661D #1D6657 #321D66

square

#661D2C #50661D #1D6657 #321D66

split-complementary

#661D2C #1D6632 #1D5066

monochromatic

#18070A #360F17 #661D2C #962B41 #C53855

Accessibility & contrast

On white

11.82

#661D2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#661D2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D2C

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D2C	#FFFFFF	#000000	##FFFFFF
##661D2C	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2E2C

Deuteranopia (green-blind)

#413D2A

Tritanopia (blue-blind)

#700F23

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #661d2c;
/* rgb */ color: rgb(102, 29, 44);
/* oklch */ color: oklch(35.2% 0.104 12.2);

Tailwind

colors: {
  custom: {
    50: '#965e64',
    500: '#661d2c',
    950: '#000000',
  },
}

SCSS

$custom: #661d2c;
$custom-light: #965e64;
$custom-dark: #000000;

JSON

{
  "hex": "#661d2c",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 44
  },
  "hsl": {
    "h": 347.671,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35195,
    "c": 0.10446,
    "h": 12.2
  },
  "luminance": 0.03885
}

Semantic roles & 50–950 ramp

primary

#661D2C

secondary

#449B89

accent

#DFC049

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0505

muted

#7E797A

Preview Lab

Preview with #661D2C

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

Preview Lab → · Contrast checker → · Palette generator →