#661F2D#661F2D

#661F2D is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.5% C 0.102 H 12.3°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX#661F2D
RGBrgb(102, 31, 45)
HSLhsl(348, 53%, 26%)
HSVhsv(348, 70%, 40%)
CMYKcmyk(0%, 69.6%, 55.9%, 60%)
CIE-LABlab(23.66, 32.95, 8.55)
CIE-LCHlch(23.66, 34.04, 14.54°)
OKLaboklab(35.48% 0.0996 0.0216)
OKLCHoklch(35.48% 0.102 12.3)
XYZxyz(6.4437, 3.9951, 2.9139)
Luminance0.0399 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#661F2D #1F6658
analogous
#661F50 #661F2D #66341F
triadic
#661F2D #2D661F #1F2D66
tetradic
#661F2D #50661F #1F6658 #341F66
square
#661F2D #50661F #1F6658 #341F66
split-complementary
#661F2D #1F6634 #1F5066
monochromatic
#17070A #371118 #661F2D #952D42 #C43C57

Accessibility & contrast

On white

11.67
#661F2D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.80
#661F2D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F2D
11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##661F2D#FFFFFF#000000##FFFFFF
##661F2D1.0011.671.8011.67
#FFFFFF11.671.0021.001.00
#0000001.8021.001.0021.00
##FFFFFF11.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#302F2D
Deuteranopia (green-blind)
#423E2B
Tritanopia (blue-blind)
#701225
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #661f2d;
/* rgb */ color: rgb(102, 31, 45);
/* oklch */ color: oklch(35.5% 0.102 12.3);
Tailwind
colors: {
  custom: {
    50: '#965f65',
    500: '#661f2d',
    950: '#000000',
  },
}
SCSS
$custom: #661f2d;
$custom-light: #965f65;
$custom-dark: #000000;
JSON
{
  "hex": "#661f2d",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 45
  },
  "hsl": {
    "h": 348.169,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35475,
    "c": 0.10193,
    "h": 12.3
  },
  "luminance": 0.03994
}

Semantic roles & 50–950 ramp

primary
#661F2D
secondary
#469A8A
accent
#DDC04B
background
#F9F5F6
surface
#F2EAEB
border
#CCC6C6
text
#0E0505
muted
#7E797A

Preview Lab

Preview with #661F2D

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

Preview Lab → · Contrast checker → · Palette generator →

#661F2D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva