#671F23#671F23

#671F23 is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.4% C 0.103 H 21.0°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX#671F23
RGBrgb(103, 31, 35)
HSLhsl(357, 54%, 26%)
HSVhsv(357, 70%, 40%)
CMYKcmyk(0%, 69.9%, 66%, 59.6%)
CIE-LABlab(23.62, 32.49, 15.35)
CIE-LCHlch(23.62, 35.93, 25.29°)
OKLaboklab(35.42% 0.0962 0.0369)
OKLCHoklch(35.42% 0.103 21)
XYZxyz(6.3875, 3.9858, 2.0228)
Luminance0.0398 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#671F23 #1F6763
analogous
#671F47 #671F23 #673F1F
triadic
#671F23 #23671F #1F2367
tetradic
#671F23 #47671F #1F6763 #3F1F67
square
#671F23 #47671F #1F6763 #3F1F67
split-complementary
#671F23 #1F673F #1F4767
monochromatic
#180708 #381113 #671F23 #962D33 #C43C44

Accessibility & contrast

On white

11.69
#671F23 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.80
#671F23 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671F23
11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##671F23#FFFFFF#000000##FFFFFF
##671F231.0011.691.8011.69
#FFFFFF11.691.0021.001.00
#0000001.8021.001.0021.00
##FFFFFF11.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#322F23
Deuteranopia (green-blind)
#443E21
Tritanopia (blue-blind)
#710F21
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #671f23;
/* rgb */ color: rgb(103, 31, 35);
/* oklch */ color: oklch(35.4% 0.103 21.0);
Tailwind
colors: {
  custom: {
    50: '#985f5d',
    500: '#671f23',
    950: '#000000',
  },
}
SCSS
$custom: #671f23;
$custom-light: #985f5d;
$custom-dark: #000000;
JSON
{
  "hex": "#671f23",
  "rgb": {
    "r": 103,
    "g": 31,
    "b": 35
  },
  "hsl": {
    "h": 356.667,
    "s": 53.731,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35415,
    "c": 0.10308,
    "h": 21
  },
  "luminance": 0.03985
}

Semantic roles & 50–950 ramp

primary
#671F23
secondary
#469B97
accent
#DDD54B
background
#F9F5F5
surface
#F2E9E9
border
#CCC5C5
text
#0E0504
muted
#7E7979

Preview Lab

Preview with #671F23

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

Preview Lab → · Contrast checker → · Palette generator →

#671F23 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva