#671A1C#671A1C

#671A1C is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.109 H 23.6°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX#671A1C
RGBrgb(103, 26, 28)
HSLhsl(358, 60%, 25%)
HSVhsv(358, 75%, 40%)
CMYKcmyk(0%, 74.8%, 72.8%, 59.6%)
CIE-LABlab(22.68, 34.27, 18.86)
CIE-LCHlch(22.68, 39.11, 28.83°)
OKLaboklab(34.67% 0.1003 0.0439)
OKLCHoklch(34.67% 0.109 23.6)
XYZxyz(6.1732, 3.7071, 1.4889)
Luminance0.0371 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#671A1C #1A6765
analogous
#671A42 #671A1C #673F1A
triadic
#671A1C #1C671A #1A1C67
tetradic
#671A1C #42671A #1A6765 #3F1A67
square
#671A1C #42671A #1A6765 #3F1A67
split-complementary
#671A1C #1A673F #1A4267
monochromatic
#180607 #360E0F #671A1C #982629 #C93337

Accessibility & contrast

On white

12.06
#671A1C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.74
#671A1C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671A1C
12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##671A1C#FFFFFF#000000##FFFFFF
##671A1C1.0012.061.7412.06
#FFFFFF12.061.0021.001.00
#0000001.7421.001.0021.00
##FFFFFF12.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#302C1B
Deuteranopia (green-blind)
#433C1A
Tritanopia (blue-blind)
#72021C
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #671a1c;
/* rgb */ color: rgb(103, 26, 28);
/* oklch */ color: oklch(34.7% 0.109 23.6);
Tailwind
colors: {
  custom: {
    50: '#995d58',
    500: '#671a1c',
    950: '#000000',
  },
}
SCSS
$custom: #671a1c;
$custom-light: #995d58;
$custom-dark: #000000;
JSON
{
  "hex": "#671a1c",
  "rgb": {
    "r": 103,
    "g": 26,
    "b": 28
  },
  "hsl": {
    "h": 358.442,
    "s": 59.69,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34667,
    "c": 0.10948,
    "h": 23.6
  },
  "luminance": 0.03706
}

Semantic roles & 50–950 ramp

primary
#671A1C
secondary
#409D9A
accent
#E3DF45
background
#FAF5F5
surface
#F3E9E9
border
#CDC5C5
text
#0F0403
muted
#7F7978

Preview Lab

Preview with #671A1C

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

Preview Lab → · Contrast checker → · Palette generator →

#671A1C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva