#C43636#C43636

#C43636 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.9% C 0.179 H 25.3°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#C43636
RGB	rgb(196, 54, 54)
HSL	hsl(0, 57%, 49%)
HSV	hsv(0, 72%, 77%)
CMYK	cmyk(0%, 72.4%, 72.4%, 23.1%)
CIE-LAB	lab(45.14, 55.75, 33.74)
CIE-LCH	lch(45.14, 65.17, 31.18°)
OKLab	oklab(54.86% 0.1619 0.0767)
OKLCH	oklch(54.86% 0.179 25.3)
XYZ	xyz(24.7528, 14.6442, 5.0126)
Luminance	0.1464 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43636 #36C4C4

analogous

#C4367D #C43636 #C47D36

triadic

#C43636 #36C436 #3636C4

tetradic

#C43636 #7DC436 #36C4C4 #7D36C4

square

#C43636 #7DC436 #36C4C4 #7D36C4

split-complementary

#C43636 #36C47D #367DC4

monochromatic

#641C1C #942929 #C43636 #D46363 #E19393

Accessibility & contrast

On white

5.35

#C43636 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#C43636 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43636

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43636	#FFFFFF	#000000	##FFFFFF
##C43636	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5734

Deuteranopia (green-blind)

#837631

Tritanopia (blue-blind)

#D80038

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c43636;
/* rgb */ color: rgb(196, 54, 54);
/* oklch */ color: oklch(54.9% 0.179 25.3);

Tailwind

colors: {
  custom: {
    50: '#de776d',
    500: '#c43636',
    950: '#000000',
  },
}

SCSS

$custom: #c43636;
$custom-light: #de776d;
$custom-dark: #000000;

JSON

{
  "hex": "#c43636",
  "rgb": {
    "r": 196,
    "g": 54,
    "b": 54
  },
  "hsl": {
    "h": 0,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.5486,
    "c": 0.17913,
    "h": 25.3
  },
  "luminance": 0.1464
}

Semantic roles & 50–950 ramp

primary

#C43636

secondary

#89CCCC

accent

#E0E048

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170907

muted

#857B7A

Preview Lab

Preview with #C43636

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

Preview Lab → · Contrast checker → · Palette generator →