#C03937#C03937

#C03937 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.5% C 0.172 H 25.7°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX#C03937
RGBrgb(192, 57, 55)
HSLhsl(1, 55%, 48%)
HSVhsv(1, 71%, 75%)
CMYKcmyk(0%, 70.3%, 71.4%, 24.7%)
CIE-LABlab(44.82, 53.41, 32.59)
CIE-LCHlch(44.82, 62.57, 31.39°)
OKLaboklab(54.49% 0.1552 0.0746)
OKLCHoklch(54.49% 0.172 25.7)
XYZxyz(23.8936, 14.4121, 5.1374)
Luminance0.1441 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C03937 #37BEC0
analogous
#C03779 #C03937 #C07D37
triadic
#C03937 #37C039 #3937C0
tetradic
#C03937 #79C037 #37BEC0 #7D37C0
square
#C03937 #79C037 #37BEC0 #7D37C0
split-complementary
#C03937 #37C07D #3779C0
monochromatic
#611D1C #902B29 #C03937 #D26462 #E09392

Accessibility & contrast

On white

5.41
#C03937 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.88
#C03937 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03937
5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C03937#FFFFFF#000000##FFFFFF
##C039371.005.413.885.41
#FFFFFF5.411.0021.001.00
#0000003.8821.001.0021.00
##FFFFFF5.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F5735
Deuteranopia (green-blind)
#817533
Tritanopia (blue-blind)
#D3083A
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #c03937;
/* rgb */ color: rgb(192, 57, 55);
/* oklch */ color: oklch(54.5% 0.172 25.7);
Tailwind
colors: {
  custom: {
    50: '#db786e',
    500: '#c03937',
    950: '#000000',
  },
}
SCSS
$custom: #c03937;
$custom-light: #db786e;
$custom-dark: #000000;
JSON
{
  "hex": "#c03937",
  "rgb": {
    "r": 192,
    "g": 57,
    "b": 55
  },
  "hsl": {
    "h": 0.876,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54487,
    "c": 0.17219,
    "h": 25.7
  },
  "luminance": 0.14409
}

Semantic roles & 50–950 ramp

primary
#C03937
secondary
#88CACB
accent
#DDDF49
background
#FEF7F6
surface
#FDEEEC
border
#D5C9C7
text
#160907
muted
#847B7A

Preview Lab

Preview with #C03937

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

Preview Lab → · Contrast checker → · Palette generator →

#C03937 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva