#661D2A#661D2A

#661D2A is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.1% C 0.104 H 13.9°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX#661D2A
RGBrgb(102, 29, 42)
HSLhsl(349, 56%, 26%)
HSVhsv(349, 72%, 40%)
CMYKcmyk(0%, 71.6%, 58.8%, 60%)
CIE-LABlab(23.24, 33.60, 10.04)
CIE-LCHlch(23.24, 35.07, 16.63°)
OKLaboklab(35.14% 0.1012 0.0251)
OKLCHoklch(35.14% 0.104 13.9)
XYZxyz(6.3373, 3.8715, 2.6036)
Luminance0.0387 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#661D2A #1D6659
analogous
#661D4E #661D2A #66341D
triadic
#661D2A #2A661D #1D2A66
tetradic
#661D2A #4E661D #1D6659 #341D66
square
#661D2A #4E661D #1D6659 #341D66
split-complementary
#661D2A #1D6634 #1D4E66
monochromatic
#18070A #360F16 #661D2A #962B3E #C53851

Accessibility & contrast

On white

11.84
#661D2A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.77
#661D2A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D2A
11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##661D2A#FFFFFF#000000##FFFFFF
##661D2A1.0011.841.7711.84
#FFFFFF11.841.0021.001.00
#0000001.7721.001.0021.00
##FFFFFF11.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F2E2A
Deuteranopia (green-blind)
#423D28
Tritanopia (blue-blind)
#700E22
Achromatopsia (no color)
#373737

Design tokens & code

CSS
--color: #661d2a;
/* rgb */ color: rgb(102, 29, 42);
/* oklch */ color: oklch(35.1% 0.104 13.9);
Tailwind
colors: {
  custom: {
    50: '#965e63',
    500: '#661d2a',
    950: '#000000',
  },
}
SCSS
$custom: #661d2a;
$custom-light: #965e63;
$custom-dark: #000000;
JSON
{
  "hex": "#661d2a",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 42
  },
  "hsl": {
    "h": 349.315,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35142,
    "c": 0.10429,
    "h": 13.9
  },
  "luminance": 0.03871
}

Semantic roles & 50–950 ramp

primary
#661D2A
secondary
#449B8B
accent
#DFC449
background
#F9F5F5
surface
#F2E9EA
border
#CCC5C6
text
#0E0505
muted
#7E7979

Preview Lab

Preview with #661D2A

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

Preview Lab → · Contrast checker → · Palette generator →

#661D2A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva