#C03543#C03543

#C03543 is a mid, vivid red. Relative luminance 0.142; OKLCH L 54.3% C 0.175 H 19.9°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#C03543
RGB	rgb(192, 53, 67)
HSL	hsl(354, 57%, 48%)
HSV	hsv(354, 72%, 75%)
CMYK	cmyk(0%, 72.4%, 65.1%, 24.7%)
CIE-LAB	lab(44.46, 55.53, 24.99)
CIE-LCH	lch(44.46, 60.89, 24.23°)
OKLab	oklab(54.28% 0.1644 0.0594)
OKLCH	oklch(54.28% 0.175 19.9)
XYZ	xyz(24.0270, 14.1615, 6.7774)
Luminance	0.1416 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03543 #35C0B2

analogous

#C03588 #C03543 #C06C35

triadic

#C03543 #43C035 #3543C0

tetradic

#C03543 #88C035 #35C0B2 #6C35C0

square

#C03543 #88C035 #35C0B2 #6C35C0

split-complementary

#C03543 #35C06C #3588C0

monochromatic

#601B22 #902832 #C03543 #D35F6B #E08F97

Accessibility & contrast

On white

5.48

#C03543 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#C03543 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03543

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03543	#FFFFFF	#000000	##FFFFFF
##C03543	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5642

Deuteranopia (green-blind)

#7F743F

Tritanopia (blue-blind)

#D3003B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c03543;
/* rgb */ color: rgb(192, 53, 67);
/* oklch */ color: oklch(54.3% 0.175 19.9);

Tailwind

colors: {
  custom: {
    50: '#db7677',
    500: '#c03543',
    950: '#000000',
  },
}

SCSS

$custom: #c03543;
$custom-light: #db7677;
$custom-dark: #000000;

JSON

{
  "hex": "#c03543",
  "rgb": {
    "r": 192,
    "g": 53,
    "b": 67
  },
  "hsl": {
    "h": 353.957,
    "s": 56.735,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54281,
    "c": 0.17485,
    "h": 19.9
  },
  "luminance": 0.14158
}

Semantic roles & 50–950 ramp

primary

#C03543

secondary

#86CBC4

accent

#E0D148

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #C03543

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

Preview Lab → · Contrast checker → · Palette generator →