#C43B36#C43B36

#C43B36 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.4% C 0.175 H 26.7°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#C43B36
RGB	rgb(196, 59, 54)
HSL	hsl(2, 57%, 49%)
HSV	hsv(2, 72%, 77%)
CMYK	cmyk(0%, 69.9%, 72.4%, 23.1%)
CIE-LAB	lab(45.82, 53.90, 34.51)
CIE-LCH	lch(45.82, 64.00, 32.63°)
OKLab	oklab(55.36% 0.156 0.0784)
OKLCH	oklch(55.36% 0.175 26.7)
XYZ	xyz(24.9975, 15.1338, 5.0942)
Luminance	0.1513 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43B36 #36BFC4

analogous

#C43678 #C43B36 #C48236

triadic

#C43B36 #36C43B #3B36C4

tetradic

#C43B36 #78C436 #36BFC4 #8236C4

square

#C43B36 #78C436 #36BFC4 #8236C4

split-complementary

#C43B36 #36C482 #3678C4

monochromatic

#641E1C #942D29 #C43B36 #D46763 #E19693

Accessibility & contrast

On white

5.22

#C43B36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#C43B36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43B36

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43B36	#FFFFFF	#000000	##FFFFFF
##C43B36	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A34

Deuteranopia (green-blind)

#847731

Tritanopia (blue-blind)

#D8093B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43b36;
/* rgb */ color: rgb(196, 59, 54);
/* oklch */ color: oklch(55.4% 0.175 26.7);

Tailwind

colors: {
  custom: {
    50: '#de7a6d',
    500: '#c43b36',
    950: '#000000',
  },
}

SCSS

$custom: #c43b36;
$custom-light: #de7a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#c43b36",
  "rgb": {
    "r": 196,
    "g": 59,
    "b": 54
  },
  "hsl": {
    "h": 2.113,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55364,
    "c": 0.17461,
    "h": 26.7
  },
  "luminance": 0.1513
}

Semantic roles & 50–950 ramp

primary

#C43B36

secondary

#89CACC

accent

#DBE048

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C43B36

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

Preview Lab → · Contrast checker → · Palette generator →