#671C17#671C17

#671C17 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.8% C 0.108 H 27.9°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX#671C17
RGBrgb(103, 28, 23)
HSLhsl(4, 63%, 25%)
HSVhsv(4, 78%, 40%)
CMYKcmyk(0%, 72.8%, 77.7%, 59.6%)
CIE-LABlab(22.92, 33.13, 22.41)
CIE-LCHlch(22.92, 40.00, 34.08°)
OKLaboklab(34.82% 0.0956 0.0506)
OKLCHoklch(34.82% 0.108 27.9)
XYZxyz(6.1641, 3.7768, 1.2149)
Luminance0.0378 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#671C17 #176267
analogous
#67173A #671C17 #674417
triadic
#671C17 #17671C #1C1767
tetradic
#671C17 #3A6717 #176267 #441767
square
#671C17 #3A6717 #176267 #441767
split-complementary
#671C17 #176744 #173A67
monochromatic
#190706 #350E0C #671C17 #992A22 #CB372D

Accessibility & contrast

On white

11.96
#671C17 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.76
#671C17 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671C17
11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##671C17#FFFFFF#000000##FFFFFF
##671C171.0011.961.7611.96
#FFFFFF11.961.0021.001.00
#0000001.7621.001.0021.00
##FFFFFF11.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#312C16
Deuteranopia (green-blind)
#443D14
Tritanopia (blue-blind)
#72051B
Achromatopsia (no color)
#373737

Design tokens & code

CSS
--color: #671c17;
/* rgb */ color: rgb(103, 28, 23);
/* oklch */ color: oklch(34.8% 0.108 27.9);
Tailwind
colors: {
  custom: {
    50: '#995d54',
    500: '#671c17',
    950: '#000000',
  },
}
SCSS
$custom: #671c17;
$custom-light: #995d54;
$custom-dark: #000000;
JSON
{
  "hex": "#671c17",
  "rgb": {
    "r": 103,
    "g": 28,
    "b": 23
  },
  "hsl": {
    "h": 3.75,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34823,
    "c": 0.10812,
    "h": 27.9
  },
  "luminance": 0.03776
}

Semantic roles & 50–950 ramp

primary
#671C17
secondary
#3D979D
accent
#DCE741
background
#FAF5F4
surface
#F3E9E7
border
#CDC5C3
text
#0F0402
muted
#7F7978

Preview Lab

Preview with #671C17

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

Preview Lab → · Contrast checker → · Palette generator →

#671C17 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva