#681C2A#681C2A

#681C2A is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.4% C 0.108 H 13.9°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX#681C2A
RGBrgb(104, 28, 42)
HSLhsl(349, 58%, 26%)
HSVhsv(349, 73%, 41%)
CMYKcmyk(0%, 73.1%, 59.6%, 59.2%)
CIE-LABlab(23.48, 34.75, 10.43)
CIE-LCHlch(23.48, 36.28, 16.70°)
OKLaboklab(35.39% 0.1047 0.026)
OKLCHoklch(35.39% 0.108 13.9)
XYZxyz(6.5427, 3.9416, 2.6063)
Luminance0.0394 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#681C2A #1C685A
analogous
#681C50 #681C2A #68341C
triadic
#681C2A #2A681C #1C2A68
tetradic
#681C2A #50681C #1C685A #341C68
square
#681C2A #50681C #1C685A #341C68
split-complementary
#681C2A #1C6834 #1C5068
monochromatic
#18060A #380F17 #681C2A #98293D #C83651

Accessibility & contrast

On white

11.74
#681C2A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.79
#681C2A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681C2A
11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##681C2A#FFFFFF#000000##FFFFFF
##681C2A1.0011.741.7911.74
#FFFFFF11.741.0021.001.00
#0000001.7921.001.0021.00
##FFFFFF11.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F2E2A
Deuteranopia (green-blind)
#433E28
Tritanopia (blue-blind)
#720B22
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #681c2a;
/* rgb */ color: rgb(104, 28, 42);
/* oklch */ color: oklch(35.4% 0.108 13.9);
Tailwind
colors: {
  custom: {
    50: '#985e63',
    500: '#681c2a',
    950: '#000000',
  },
}
SCSS
$custom: #681c2a;
$custom-light: #985e63;
$custom-dark: #000000;
JSON
{
  "hex": "#681c2a",
  "rgb": {
    "r": 104,
    "g": 28,
    "b": 42
  },
  "hsl": {
    "h": 348.947,
    "s": 57.576,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35392,
    "c": 0.10784,
    "h": 13.9
  },
  "luminance": 0.03941
}

Semantic roles & 50–950 ramp

primary
#681C2A
secondary
#439D8C
accent
#E1C447
background
#F9F5F5
surface
#F2E9EA
border
#CCC5C6
text
#0E0505
muted
#7E7979

Preview Lab

Preview with #681C2A

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

Preview Lab → · Contrast checker → · Palette generator →

#681C2A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva