#C33F37#C33F37

#C33F37 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.6% C 0.170 H 27.5°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX#C33F37
RGBrgb(195, 63, 55)
HSLhsl(3, 56%, 49%)
HSVhsv(3, 72%, 76%)
CMYKcmyk(0%, 67.7%, 71.8%, 23.5%)
CIE-LABlab(46.23, 52.04, 34.36)
CIE-LCHlch(46.23, 62.36, 33.44°)
OKLaboklab(55.64% 0.1505 0.0783)
OKLCHoklch(55.64% 0.17 27.5)
XYZxyz(24.9755, 15.4366, 5.2781)
Luminance0.1543 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C33F37 #37BBC3
analogous
#C33775 #C33F37 #C38537
triadic
#C33F37 #37C33F #3F37C3
tetradic
#C33F37 #75C337 #37BBC3 #8537C3
square
#C33F37 #75C337 #37BBC3 #8537C3
split-complementary
#C33F37 #37C385 #3775C3
monochromatic
#64201C #93302A #C33F37 #D36A64 #E19894

Accessibility & contrast

On white

5.14
#C33F37 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.09
#C33F37 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33F37
5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C33F37#FFFFFF#000000##FFFFFF
##C33F371.005.144.095.14
#FFFFFF5.141.0021.001.00
#0000004.0921.001.0021.00
##FFFFFF5.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#645B35
Deuteranopia (green-blind)
#857833
Tritanopia (blue-blind)
#D6183E
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #c33f37;
/* rgb */ color: rgb(195, 63, 55);
/* oklch */ color: oklch(55.6% 0.170 27.5);
Tailwind
colors: {
  custom: {
    50: '#dd7c6e',
    500: '#c33f37',
    950: '#000000',
  },
}
SCSS
$custom: #c33f37;
$custom-light: #dd7c6e;
$custom-dark: #000000;
JSON
{
  "hex": "#c33f37",
  "rgb": {
    "r": 195,
    "g": 63,
    "b": 55
  },
  "hsl": {
    "h": 3.429,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55641,
    "c": 0.16965,
    "h": 27.5
  },
  "luminance": 0.15433
}

Semantic roles & 50–950 ramp

primary
#C33F37
secondary
#8AC8CC
accent
#D7DF49
background
#FEF7F6
surface
#FDEEEC
border
#D5C9C7
text
#170A07
muted
#857C7A

Preview Lab

Preview with #C33F37

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

Preview Lab → · Contrast checker → · Palette generator →

#C33F37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva