#661F2C#661F2C

#661F2C is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.4% C 0.102 H 13.2°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX#661F2C
RGBrgb(102, 31, 44)
HSLhsl(349, 53%, 26%)
HSVhsv(349, 70%, 40%)
CMYKcmyk(0%, 69.6%, 56.9%, 60%)
CIE-LABlab(23.63, 32.86, 9.20)
CIE-LCHlch(23.63, 34.12, 15.64°)
OKLaboklab(35.45% 0.0992 0.0232)
OKLCHoklch(35.45% 0.102 13.2)
XYZxyz(6.4247, 3.9874, 2.8137)
Luminance0.0399 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#661F2C #1F6659
analogous
#661F4F #661F2C #66351F
triadic
#661F2C #2C661F #1F2C66
tetradic
#661F2C #4F661F #1F6659 #351F66
square
#661F2C #4F661F #1F6659 #351F66
split-complementary
#661F2C #1F6635 #1F4F66
monochromatic
#17070A #371118 #661F2C #952D40 #C43C55

Accessibility & contrast

On white

11.68
#661F2C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.80
#661F2C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F2C
11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##661F2C#FFFFFF#000000##FFFFFF
##661F2C1.0011.681.8011.68
#FFFFFF11.681.0021.001.00
#0000001.8021.001.0021.00
##FFFFFF11.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#302F2C
Deuteranopia (green-blind)
#423E2A
Tritanopia (blue-blind)
#701224
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #661f2c;
/* rgb */ color: rgb(102, 31, 44);
/* oklch */ color: oklch(35.4% 0.102 13.2);
Tailwind
colors: {
  custom: {
    50: '#965f64',
    500: '#661f2c',
    950: '#000000',
  },
}
SCSS
$custom: #661f2c;
$custom-light: #965f64;
$custom-dark: #000000;
JSON
{
  "hex": "#661f2c",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 44
  },
  "hsl": {
    "h": 349.014,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35448,
    "c": 0.10184,
    "h": 13.2
  },
  "luminance": 0.03987
}

Semantic roles & 50–950 ramp

primary
#661F2C
secondary
#469A8B
accent
#DDC24B
background
#F9F5F6
surface
#F2E9EB
border
#CCC5C6
text
#0E0505
muted
#7E797A

Preview Lab

Preview with #661F2C

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

Preview Lab → · Contrast checker → · Palette generator →

#661F2C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva