#C73B28#C73B28

#C73B28 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.7% C 0.180 H 31.0°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX#C73B28
RGBrgb(199, 59, 40)
HSLhsl(7, 67%, 47%)
HSVhsv(7, 80%, 78%)
CMYKcmyk(0%, 70.4%, 79.9%, 22%)
CIE-LABlab(46.21, 54.33, 42.83)
CIE-LCHlch(46.21, 69.18, 38.25°)
OKLaboklab(55.71% 0.1543 0.0925)
OKLCHoklch(55.71% 0.18 31)
XYZxyz(25.5031, 15.4271, 3.6419)
Luminance0.1542 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C73B28 #28B4C7
analogous
#C72865 #C73B28 #C78B28
triadic
#C73B28 #28C73B #3B28C7
tetradic
#C73B28 #65C728 #28B4C7 #8B28C7
square
#C73B28 #65C728 #28B4C7 #8B28C7
split-complementary
#C73B28 #28C78B #2865C7
monochromatic
#611D14 #942C1E #C73B28 #DC6150 #E68F83

Accessibility & contrast

On white

5.14
#C73B28 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.08
#C73B28 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73B28
5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C73B28#FFFFFF#000000##FFFFFF
##C73B281.005.144.085.14
#FFFFFF5.141.0021.001.00
#0000004.0821.001.0021.00
##FFFFFF5.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#645A24
Deuteranopia (green-blind)
#877922
Tritanopia (blue-blind)
#DB0038
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #c73b28;
/* rgb */ color: rgb(199, 59, 40);
/* oklch */ color: oklch(55.7% 0.180 31.0);
Tailwind
colors: {
  custom: {
    50: '#e17a64',
    500: '#c73b28',
    950: '#000000',
  },
}
SCSS
$custom: #c73b28;
$custom-light: #e17a64;
$custom-dark: #000000;
JSON
{
  "hex": "#c73b28",
  "rgb": {
    "r": 199,
    "g": 59,
    "b": 40
  },
  "hsl": {
    "h": 7.17,
    "s": 66.527,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55713,
    "c": 0.17988,
    "h": 31
  },
  "luminance": 0.15423
}

Semantic roles & 50–950 ramp

primary
#C73B28
secondary
#7CC5CF
accent
#D5E93E
background
#FFF7F6
surface
#FEEEEB
border
#D6C9C6
text
#170A05
muted
#857C7A

Preview Lab

Preview with #C73B28

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

Preview Lab → · Contrast checker → · Palette generator →

#C73B28 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva