#C53333#C53333

#C53333 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.7% C 0.183 H 25.7°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX#C53333
RGBrgb(197, 51, 51)
HSLhsl(0, 59%, 49%)
HSVhsv(0, 74%, 77%)
CMYKcmyk(0%, 74.1%, 74.1%, 22.7%)
CIE-LABlab(44.91, 56.98, 35.27)
CIE-LCHlch(44.91, 67.01, 31.75°)
OKLaboklab(54.71% 0.165 0.0793)
OKLCHoklch(54.71% 0.183 25.7)
XYZxyz(24.8102, 14.4808, 4.6200)
Luminance0.1448 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C53333 #33C5C5
analogous
#C5337C #C53333 #C57C33
triadic
#C53333 #33C533 #3333C5
tetradic
#C53333 #7CC533 #33C5C5 #7C33C5
square
#C53333 #7CC533 #33C5C5 #7C33C5
split-complementary
#C53333 #33C57C #337CC5
monochromatic
#641A1A #942626 #C53333 #D65F5F #E29090

Accessibility & contrast

On white

5.39
#C53333 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.90
#C53333 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53333
5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C53333#FFFFFF#000000##FFFFFF
##C533331.005.393.905.39
#FFFFFF5.391.0021.001.00
#0000003.9021.001.0021.00
##FFFFFF5.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E5631
Deuteranopia (green-blind)
#83762E
Tritanopia (blue-blind)
#D90035
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #c53333;
/* rgb */ color: rgb(197, 51, 51);
/* oklch */ color: oklch(54.7% 0.183 25.7);
Tailwind
colors: {
  custom: {
    50: '#df766b',
    500: '#c53333',
    950: '#000000',
  },
}
SCSS
$custom: #c53333;
$custom-light: #df766b;
$custom-dark: #000000;
JSON
{
  "hex": "#c53333",
  "rgb": {
    "r": 197,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 0,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54712,
    "c": 0.18309,
    "h": 25.7
  },
  "luminance": 0.14477
}

Semantic roles & 50–950 ramp

primary
#C53333
secondary
#87CDCD
accent
#E2E246
background
#FFF7F6
surface
#FEEEEB
border
#D6C9C6
text
#170906
muted
#857B7A

Preview Lab

Preview with #C53333

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

Preview Lab → · Contrast checker → · Palette generator →

#C53333 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva