#C43734#C43734

#C43734 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.9% C 0.178 H 26.3°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#C43734
RGB	rgb(196, 55, 52)
HSL	hsl(1, 58%, 49%)
HSV	hsv(1, 73%, 77%)
CMYK	cmyk(0%, 71.9%, 73.5%, 23.1%)
CIE-LAB	lab(45.25, 55.30, 35.02)
CIE-LCH	lch(45.25, 65.46, 32.34°)
OKLab	oklab(54.93% 0.1601 0.079)
OKLCH	oklch(54.93% 0.179 26.3)
XYZ	xyz(24.7538, 14.7198, 4.7859)
Luminance	0.1472 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43734 #34C1C4

analogous

#C43479 #C43734 #C47F34

triadic

#C43734 #34C437 #3734C4

tetradic

#C43734 #79C434 #34C1C4 #7F34C4

square

#C43734 #79C434 #34C1C4 #7F34C4

split-complementary

#C43734 #34C47F #3479C4

monochromatic

#631C1A #942927 #C43734 #D56360 #E29291

Accessibility & contrast

On white

5.33

#C43734 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#C43734 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43734

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43734	#FFFFFF	#000000	##FFFFFF
##C43734	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)

#605832

Deuteranopia (green-blind)

#83762F

Tritanopia (blue-blind)

#D80038

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c43734;
/* rgb */ color: rgb(196, 55, 52);
/* oklch */ color: oklch(54.9% 0.178 26.3);

Tailwind

colors: {
  custom: {
    50: '#de786c',
    500: '#c43734',
    950: '#000000',
  },
}

SCSS

$custom: #c43734;
$custom-light: #de786c;
$custom-dark: #000000;

JSON

{
  "hex": "#c43734",
  "rgb": {
    "r": 196,
    "g": 55,
    "b": 52
  },
  "hsl": {
    "h": 1.25,
    "s": 58.065,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54931,
    "c": 0.1785,
    "h": 26.3
  },
  "luminance": 0.14716
}

Semantic roles & 50–950 ramp

primary

#C43734

secondary

#87CBCC

accent

#DEE147

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170907

muted

#857B7A

Preview Lab

Preview with #C43734

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

Preview Lab → · Contrast checker → · Palette generator →