#673B30#673B30

#673B30 is a dark, moderate red. Relative luminance 0.062; OKLCH L 40.3% C 0.065 H 34.9°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX#673B30
RGBrgb(103, 59, 48)
HSLhsl(12, 36%, 30%)
HSVhsv(12, 53%, 40%)
CMYKcmyk(0%, 42.7%, 53.4%, 59.6%)
CIE-LABlab(29.97, 18.10, 15.12)
CIE-LCHlch(29.97, 23.59, 39.87°)
OKLaboklab(40.32% 0.0536 0.0374)
OKLCHoklch(40.32% 0.065 34.9)
XYZxyz(7.6915, 6.2256, 3.5923)
Luminance0.0622 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#673B30 #305C67
analogous
#673041 #673B30 #675730
triadic
#673B30 #30673B #3B3067
tetradic
#673B30 #416730 #305C67 #573067
square
#673B30 #416730 #305C67 #573067
split-complementary
#673B30 #306757 #304167
monochromatic
#150C0A #3D231D #673B30 #915343 #B46F5E

Accessibility & contrast

On white

9.35
#673B30 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.25
#673B30 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673B30
9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##673B30#FFFFFF#000000##FFFFFF
##673B301.009.352.259.35
#FFFFFF9.351.0021.001.00
#0000002.2521.001.0021.00
##FFFFFF9.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#46412F
Deuteranopia (green-blind)
#504A2F
Tritanopia (blue-blind)
#703438
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #673b30;
/* rgb */ color: rgb(103, 59, 48);
/* oklch */ color: oklch(40.3% 0.065 34.9);
Tailwind
colors: {
  custom: {
    50: '#957168',
    500: '#673b30',
    950: '#000000',
  },
}
SCSS
$custom: #673b30;
$custom-light: #957168;
$custom-dark: #000000;
JSON
{
  "hex": "#673b30",
  "rgb": {
    "r": 103,
    "g": 59,
    "b": 48
  },
  "hsl": {
    "h": 12,
    "s": 36.424,
    "l": 29.608
  },
  "oklch": {
    "l": 0.40316,
    "c": 0.06534,
    "h": 34.9
  },
  "luminance": 0.06225
}

Semantic roles & 50–950 ramp

primary
#673B30
secondary
#5A8C98
accent
#B6CC5B
background
#F9F6F6
surface
#F2ECEB
border
#CCC7C6
text
#0E0806
muted
#7E7B7A

Preview Lab

Preview with #673B30

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

Preview Lab → · Contrast checker → · Palette generator →

#673B30 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva