#C03837#C03837

#C03837 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.4% C 0.173 H 25.4°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX#C03837
RGBrgb(192, 56, 55)
HSLhsl(0, 55%, 48%)
HSVhsv(0, 71%, 75%)
CMYKcmyk(0%, 70.8%, 71.4%, 24.7%)
CIE-LABlab(44.68, 53.79, 32.43)
CIE-LCHlch(44.68, 62.81, 31.08°)
OKLaboklab(54.38% 0.1564 0.0742)
OKLCHoklch(54.38% 0.173 25.4)
XYZxyz(23.8446, 14.3142, 5.1211)
Luminance0.1431 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C03837 #37BFC0
analogous
#C0377A #C03837 #C07C37
triadic
#C03837 #37C038 #3837C0
tetradic
#C03837 #7AC037 #37BFC0 #7C37C0
square
#C03837 #7AC037 #37BFC0 #7C37C0
split-complementary
#C03837 #37C07C #377AC0
monochromatic
#611C1C #902A29 #C03837 #D26362 #E09292

Accessibility & contrast

On white

5.44
#C03837 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.86
#C03837 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03837
5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C03837#FFFFFF#000000##FFFFFF
##C038371.005.443.865.44
#FFFFFF5.441.0021.001.00
#0000003.8621.001.0021.00
##FFFFFF5.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F5735
Deuteranopia (green-blind)
#817432
Tritanopia (blue-blind)
#D30439
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #c03837;
/* rgb */ color: rgb(192, 56, 55);
/* oklch */ color: oklch(54.4% 0.173 25.4);
Tailwind
colors: {
  custom: {
    50: '#db786e',
    500: '#c03837',
    950: '#000000',
  },
}
SCSS
$custom: #c03837;
$custom-light: #db786e;
$custom-dark: #000000;
JSON
{
  "hex": "#c03837",
  "rgb": {
    "r": 192,
    "g": 56,
    "b": 55
  },
  "hsl": {
    "h": 0.438,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54384,
    "c": 0.17313,
    "h": 25.4
  },
  "luminance": 0.14311
}

Semantic roles & 50–950 ramp

primary
#C03837
secondary
#88CACB
accent
#DEDF49
background
#FEF7F6
surface
#FDEEEC
border
#D5C9C7
text
#160907
muted
#847B7A

Preview Lab

Preview with #C03837

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

Preview Lab → · Contrast checker → · Palette generator →

#C03837 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva