#681E2B#681E2B

#681E2B is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.7% C 0.105 H 14.0°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX#681E2B
RGBrgb(104, 30, 43)
HSLhsl(349, 55%, 26%)
HSVhsv(349, 71%, 41%)
CMYKcmyk(0%, 71.2%, 58.7%, 59.2%)
CIE-LABlab(23.83, 33.95, 10.21)
CIE-LCHlch(23.83, 35.45, 16.74°)
OKLaboklab(35.66% 0.1023 0.0255)
OKLCHoklch(35.66% 0.105 14)
XYZxyz(6.6098, 4.0469, 2.7181)
Luminance0.0405 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#681E2B #1E685B
analogous
#681E50 #681E2B #68361E
triadic
#681E2B #2B681E #1E2B68
tetradic
#681E2B #50681E #1E685B #361E68
square
#681E2B #50681E #1E685B #361E68
split-complementary
#681E2B #1E6836 #1E5068
monochromatic
#18070A #391017 #681E2B #982C3F #C63A53

Accessibility & contrast

On white

11.61
#681E2B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.81
#681E2B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681E2B
11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##681E2B#FFFFFF#000000##FFFFFF
##681E2B1.0011.611.8111.61
#FFFFFF11.611.0021.001.00
#0000001.8121.001.0021.00
##FFFFFF11.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#302F2B
Deuteranopia (green-blind)
#433E29
Tritanopia (blue-blind)
#720F23
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #681e2b;
/* rgb */ color: rgb(104, 30, 43);
/* oklch */ color: oklch(35.7% 0.105 14.0);
Tailwind
colors: {
  custom: {
    50: '#985f64',
    500: '#681e2b',
    950: '#000000',
  },
}
SCSS
$custom: #681e2b;
$custom-light: #985f64;
$custom-dark: #000000;
JSON
{
  "hex": "#681e2b",
  "rgb": {
    "r": 104,
    "g": 30,
    "b": 43
  },
  "hsl": {
    "h": 349.459,
    "s": 55.224,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35659,
    "c": 0.10541,
    "h": 14
  },
  "luminance": 0.04046
}

Semantic roles & 50–950 ramp

primary
#681E2B
secondary
#459D8D
accent
#DFC449
background
#F9F5F5
surface
#F2E9EA
border
#CCC5C6
text
#0E0505
muted
#7E7979

Preview Lab

Preview with #681E2B

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

Preview Lab → · Contrast checker → · Palette generator →

#681E2B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva