#C43B38#C43B38

#C43B38 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.4% C 0.174 H 26.0°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX#C43B38
RGBrgb(196, 59, 56)
HSLhsl(1, 56%, 49%)
HSVhsv(1, 71%, 77%)
CMYKcmyk(0%, 69.9%, 71.4%, 23.1%)
CIE-LABlab(45.84, 53.99, 33.39)
CIE-LCHlch(45.84, 63.48, 31.73°)
OKLaboklab(55.39% 0.1568 0.0763)
OKLCHoklch(55.39% 0.174 26)
XYZxyz(25.0455, 15.1529, 5.3466)
Luminance0.1515 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C43B38 #38C1C4
analogous
#C4387B #C43B38 #C48138
triadic
#C43B38 #38C43B #3B38C4
tetradic
#C43B38 #7BC438 #38C1C4 #8138C4
square
#C43B38 #7BC438 #38C1C4 #8138C4
split-complementary
#C43B38 #38C481 #387BC4
monochromatic
#651E1D #942D2A #C43B38 #D36866 #E19796

Accessibility & contrast

On white

5.21
#C43B38 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.03
#C43B38 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43B38
5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C43B38#FFFFFF#000000##FFFFFF
##C43B381.005.214.035.21
#FFFFFF5.211.0021.001.00
#0000004.0321.001.0021.00
##FFFFFF5.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#625A36
Deuteranopia (green-blind)
#847733
Tritanopia (blue-blind)
#D70B3C
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #c43b38;
/* rgb */ color: rgb(196, 59, 56);
/* oklch */ color: oklch(55.4% 0.174 26.0);
Tailwind
colors: {
  custom: {
    50: '#de7a6f',
    500: '#c43b38',
    950: '#000000',
  },
}
SCSS
$custom: #c43b38;
$custom-light: #de7a6f;
$custom-dark: #000000;
JSON
{
  "hex": "#c43b38",
  "rgb": {
    "r": 196,
    "g": 59,
    "b": 56
  },
  "hsl": {
    "h": 1.286,
    "s": 55.556,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55391,
    "c": 0.17433,
    "h": 26
  },
  "luminance": 0.15149
}

Semantic roles & 50–950 ramp

primary
#C43B38
secondary
#8CCBCC
accent
#DCDF49
background
#FEF7F6
surface
#FDEEEC
border
#D5C9C7
text
#170A07
muted
#857C7A

Preview Lab

Preview with #C43B38

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

Preview Lab → · Contrast checker → · Palette generator →

#C43B38 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva