#C03437#C03437

#C03437 is a mid, vivid red. Relative luminance 0.139; OKLCH L 54.0% C 0.177 H 24.3°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX#C03437
RGBrgb(192, 52, 55)
HSLhsl(359, 57%, 48%)
HSVhsv(359, 73%, 75%)
CMYKcmyk(0%, 72.9%, 71.4%, 24.7%)
CIE-LABlab(44.15, 55.26, 31.81)
CIE-LCHlch(44.15, 63.76, 29.92°)
OKLaboklab(53.99% 0.1611 0.0728)
OKLCHoklch(53.99% 0.177 24.3)
XYZxyz(23.6585, 13.9419, 5.0590)
Luminance0.1394 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C03437 #34C0BD
analogous
#C0347D #C03437 #C07734
triadic
#C03437 #37C034 #3437C0
tetradic
#C03437 #7DC034 #34C0BD #7734C0
square
#C03437 #7DC034 #34C0BD #7734C0
split-complementary
#C03437 #34C077 #347DC0
monochromatic
#601A1B #902729 #C03437 #D35E60 #E08E90

Accessibility & contrast

On white

5.54
#C03437 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.79
#C03437 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03437
5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C03437#FFFFFF#000000##FFFFFF
##C034371.005.543.795.54
#FFFFFF5.541.0021.001.00
#0000003.7921.001.0021.00
##FFFFFF5.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D5536
Deuteranopia (green-blind)
#807332
Tritanopia (blue-blind)
#D30037
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #c03437;
/* rgb */ color: rgb(192, 52, 55);
/* oklch */ color: oklch(54.0% 0.177 24.3);
Tailwind
colors: {
  custom: {
    50: '#db766e',
    500: '#c03437',
    950: '#000000',
  },
}
SCSS
$custom: #c03437;
$custom-light: #db766e;
$custom-dark: #000000;
JSON
{
  "hex": "#c03437",
  "rgb": {
    "r": 192,
    "g": 52,
    "b": 55
  },
  "hsl": {
    "h": 358.714,
    "s": 57.377,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53988,
    "c": 0.17676,
    "h": 24.3
  },
  "luminance": 0.13938
}

Semantic roles & 50–950 ramp

primary
#C03437
secondary
#85CBC9
accent
#E1DD47
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170907
muted
#857B7A

Preview Lab

Preview with #C03437

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

Preview Lab → · Contrast checker → · Palette generator →

#C03437 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva