#C42C31#C42C31

#C42C31 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.9% C 0.188 H 24.8°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX#C42C31
RGBrgb(196, 44, 49)
HSLhsl(358, 63%, 47%)
HSVhsv(358, 78%, 77%)
CMYKcmyk(0%, 77.6%, 75%, 23.1%)
CIE-LABlab(43.89, 58.86, 35.22)
CIE-LCHlch(43.89, 68.59, 30.90°)
OKLaboklab(53.91% 0.1707 0.0788)
OKLCHoklch(53.91% 0.188 24.8)
XYZxyz(24.2229, 13.7627, 4.2862)
Luminance0.1376 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C42C31 #2CC4BF
analogous
#C42C7D #C42C31 #C4732C
triadic
#C42C31 #31C42C #2C31C4
tetradic
#C42C31 #7DC42C #2CC4BF #732CC4
square
#C42C31 #7DC42C #2CC4BF #732CC4
split-complementary
#C42C31 #2CC473 #2C7DC4
monochromatic
#601618 #922125 #C42C31 #D95459 #E4868A

Accessibility & contrast

On white

5.60
#C42C31 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.75
#C42C31 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42C31
5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C42C31#FFFFFF#000000##FFFFFF
##C42C311.005.603.755.60
#FFFFFF5.601.0021.001.00
#0000003.7521.001.0021.00
##FFFFFF5.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B532F
Deuteranopia (green-blind)
#80732B
Tritanopia (blue-blind)
#D80030
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #c42c31;
/* rgb */ color: rgb(196, 44, 49);
/* oklch */ color: oklch(53.9% 0.188 24.8);
Tailwind
colors: {
  custom: {
    50: '#df7369',
    500: '#c42c31',
    950: '#000000',
  },
}
SCSS
$custom: #c42c31;
$custom-light: #df7369;
$custom-dark: #000000;
JSON
{
  "hex": "#c42c31",
  "rgb": {
    "r": 196,
    "g": 44,
    "b": 49
  },
  "hsl": {
    "h": 358.026,
    "s": 63.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53908,
    "c": 0.18796,
    "h": 24.8
  },
  "luminance": 0.13759
}

Semantic roles & 50–950 ramp

primary
#C42C31
secondary
#7ECDCB
accent
#E6E141
background
#FFF7F6
surface
#FEEDEB
border
#D6C8C6
text
#170906
muted
#857B7A

Preview Lab

Preview with #C42C31

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

Preview Lab → · Contrast checker → · Palette generator →

#C42C31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva