#671F1A#671F1A

#671F1A is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.104 H 27.7°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX#671F1A
RGBrgb(103, 31, 26)
HSLhsl(4, 60%, 25%)
HSVhsv(4, 75%, 40%)
CMYKcmyk(0%, 69.9%, 74.8%, 59.6%)
CIE-LABlab(23.47, 31.91, 21.11)
CIE-LCHlch(23.47, 38.26, 33.49°)
OKLaboklab(35.25% 0.0924 0.0484)
OKLCHoklch(35.25% 0.104 27.7)
XYZxyz(6.2706, 3.9390, 1.4072)
Luminance0.0394 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#671F1A #1A6267
analogous
#671A3B #671F1A #67451A
triadic
#671F1A #1A671F #1F1A67
tetradic
#671F1A #3B671A #1A6267 #451A67
square
#671F1A #3B671A #1A6267 #451A67
split-complementary
#671F1A #1A6745 #1A3B67
monochromatic
#180706 #36100E #671F1A #982E26 #C93C33

Accessibility & contrast

On white

11.75
#671F1A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.79
#671F1A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671F1A
11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##671F1A#FFFFFF#000000##FFFFFF
##671F1A1.0011.751.7911.75
#FFFFFF11.751.0021.001.00
#0000001.7921.001.0021.00
##FFFFFF11.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#332E19
Deuteranopia (green-blind)
#453E18
Tritanopia (blue-blind)
#720C1E
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #671f1a;
/* rgb */ color: rgb(103, 31, 26);
/* oklch */ color: oklch(35.2% 0.104 27.7);
Tailwind
colors: {
  custom: {
    50: '#985f56',
    500: '#671f1a',
    950: '#000000',
  },
}
SCSS
$custom: #671f1a;
$custom-light: #985f56;
$custom-dark: #000000;
JSON
{
  "hex": "#671f1a",
  "rgb": {
    "r": 103,
    "g": 31,
    "b": 26
  },
  "hsl": {
    "h": 3.896,
    "s": 59.69,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35248,
    "c": 0.10435,
    "h": 27.7
  },
  "luminance": 0.03938
}

Semantic roles & 50–950 ramp

primary
#671F1A
secondary
#40979D
accent
#D9E345
background
#FAF5F5
surface
#F3E9E9
border
#CDC5C5
text
#0F0503
muted
#7F7978

Preview Lab

Preview with #671F1A

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

Preview Lab → · Contrast checker → · Palette generator →

#671F1A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva