#661D22#661D22

#661D22 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.0% C 0.104 H 20.6°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#661D22
RGB	rgb(102, 29, 34)
HSL	hsl(356, 56%, 26%)
HSV	hsv(356, 72%, 40%)
CMYK	cmyk(0%, 71.6%, 66.7%, 60%)
CIE-LAB	lab(23.07, 32.97, 15.27)
CIE-LCH	lch(23.07, 36.33, 24.85°)
OKLab	oklab(34.96% 0.0977 0.0367)
OKLCH	oklch(34.96% 0.104 20.6)
XYZ	xyz(6.2082, 3.8199, 1.9235)
Luminance	0.0382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D22 #1D6661

analogous

#661D46 #661D22 #663C1D

triadic

#661D22 #22661D #1D2266

tetradic

#661D22 #46661D #1D6661 #3C1D66

square

#661D22 #46661D #1D6661 #3C1D66

split-complementary

#661D22 #1D663C #1D4666

monochromatic

#180708 #360F12 #661D22 #962B32 #C53842

Accessibility & contrast

On white

11.91

#661D22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#661D22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D22

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D22	#FFFFFF	#000000	##FFFFFF
##661D22	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302D22

Deuteranopia (green-blind)

#433D20

Tritanopia (blue-blind)

#700B1F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #661d22;
/* rgb */ color: rgb(102, 29, 34);
/* oklch */ color: oklch(35.0% 0.104 20.6);

Tailwind

colors: {
  custom: {
    50: '#975e5c',
    500: '#661d22',
    950: '#000000',
  },
}

SCSS

$custom: #661d22;
$custom-light: #975e5c;
$custom-dark: #000000;

JSON

{
  "hex": "#661d22",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 34
  },
  "hsl": {
    "h": 355.89,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.34955,
    "c": 0.10434,
    "h": 20.6
  },
  "luminance": 0.03819
}

Semantic roles & 50–950 ramp

primary

#661D22

secondary

#449B95

accent

#DFD549

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0504

muted

#7E7979

Preview Lab

Preview with #661D22

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

Preview Lab → · Contrast checker → · Palette generator →