#C43730#C43730

#C43730 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.9% C 0.179 H 27.6°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#C43730
RGB	rgb(196, 55, 48)
HSL	hsl(3, 61%, 48%)
HSV	hsv(3, 76%, 77%)
CMYK	cmyk(0%, 71.9%, 75.5%, 23.1%)
CIE-LAB	lab(45.20, 55.14, 37.24)
CIE-LCH	lch(45.20, 66.54, 34.04°)
OKLab	oklab(54.88% 0.1587 0.0829)
OKLCH	oklch(54.88% 0.179 27.6)
XYZ	xyz(24.6675, 14.6853, 4.3314)
Luminance	0.1468 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43730 #30BDC4

analogous

#C43073 #C43730 #C48130

triadic

#C43730 #30C437 #3730C4

tetradic

#C43730 #73C430 #30BDC4 #8130C4

square

#C43730 #73C430 #30BDC4 #8130C4

split-complementary

#C43730 #30C481 #3073C4

monochromatic

#621B18 #932924 #C43730 #D7605A #E3908C

Accessibility & contrast

On white

5.33

#C43730 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#C43730 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43730

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43730	#FFFFFF	#000000	##FFFFFF
##C43730	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60572E

Deuteranopia (green-blind)

#84762B

Tritanopia (blue-blind)

#D80037

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c43730;
/* rgb */ color: rgb(196, 55, 48);
/* oklch */ color: oklch(54.9% 0.179 27.6);

Tailwind

colors: {
  custom: {
    50: '#df7869',
    500: '#c43730',
    950: '#000000',
  },
}

SCSS

$custom: #c43730;
$custom-light: #df7869;
$custom-dark: #000000;

JSON

{
  "hex": "#c43730",
  "rgb": {
    "r": 196,
    "g": 55,
    "b": 48
  },
  "hsl": {
    "h": 2.838,
    "s": 60.656,
    "l": 47.843
  },
  "oklch": {
    "l": 0.5488,
    "c": 0.17906,
    "h": 27.6
  },
  "luminance": 0.14682
}

Semantic roles & 50–950 ramp

primary

#C43730

secondary

#83C9CD

accent

#DCE444

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C43730

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

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