#C33E37#C33E37

#C33E37 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.5% C 0.171 H 27.2°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX#C33E37
RGBrgb(195, 62, 55)
HSLhsl(3, 56%, 49%)
HSVhsv(3, 72%, 76%)
CMYKcmyk(0%, 68.2%, 71.8%, 23.5%)
CIE-LABlab(46.08, 52.44, 34.19)
CIE-LCHlch(46.08, 62.60, 33.11°)
OKLaboklab(55.53% 0.1518 0.0779)
OKLCHoklch(55.53% 0.171 27.2)
XYZxyz(24.9206, 15.3268, 5.2598)
Luminance0.1532 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C33E37 #37BCC3
analogous
#C33776 #C33E37 #C38437
triadic
#C33E37 #37C33E #3E37C3
tetradic
#C33E37 #76C337 #37BCC3 #8437C3
square
#C33E37 #76C337 #37BCC3 #8437C3
split-complementary
#C33E37 #37C384 #3776C3
monochromatic
#64201C #932F2A #C33E37 #D36A64 #E19894

Accessibility & contrast

On white

5.17
#C33E37 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.06
#C33E37 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33E37
5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C33E37#FFFFFF#000000##FFFFFF
##C33E371.005.174.065.17
#FFFFFF5.171.0021.001.00
#0000004.0621.001.0021.00
##FFFFFF5.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#635B35
Deuteranopia (green-blind)
#857833
Tritanopia (blue-blind)
#D6153E
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #c33e37;
/* rgb */ color: rgb(195, 62, 55);
/* oklch */ color: oklch(55.5% 0.171 27.2);
Tailwind
colors: {
  custom: {
    50: '#dd7b6e',
    500: '#c33e37',
    950: '#000000',
  },
}
SCSS
$custom: #c33e37;
$custom-light: #dd7b6e;
$custom-dark: #000000;
JSON
{
  "hex": "#c33e37",
  "rgb": {
    "r": 195,
    "g": 62,
    "b": 55
  },
  "hsl": {
    "h": 3,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.5553,
    "c": 0.17061,
    "h": 27.2
  },
  "luminance": 0.15323
}

Semantic roles & 50–950 ramp

primary
#C33E37
secondary
#8AC9CC
accent
#D8DF49
background
#FEF7F6
surface
#FDEEEC
border
#D5C9C7
text
#170A07
muted
#857C7A

Preview Lab

Preview with #C33E37

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

Preview Lab → · Contrast checker → · Palette generator →

#C33E37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva