#C0343B#C0343B

#C0343B is a mid, vivid red. Relative luminance 0.140; OKLCH L 54.0% C 0.176 H 22.8°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#C0343B
RGB	rgb(192, 52, 59)
HSL	hsl(357, 57%, 48%)
HSV	hsv(357, 73%, 75%)
CMYK	cmyk(0%, 72.9%, 69.3%, 24.7%)
CIE-LAB	lab(44.21, 55.45, 29.50)
CIE-LCH	lch(44.21, 62.81, 28.01°)
OKLab	oklab(54.05% 0.1625 0.0684)
OKLCH	oklch(54.05% 0.176 22.8)
XYZ	xyz(23.7583, 13.9818, 5.5846)
Luminance	0.1398 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0343B #34C0B9

analogous

#C03481 #C0343B #C07334

triadic

#C0343B #3BC034 #343BC0

tetradic

#C0343B #81C034 #34C0B9 #7334C0

square

#C0343B #81C034 #34C0B9 #7334C0

split-complementary

#C0343B #34C073 #3481C0

monochromatic

#601A1D #90272C #C0343B #D35E64 #E08E92

Accessibility & contrast

On white

5.53

#C0343B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#C0343B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C0343B

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0343B	#FFFFFF	#000000	##FFFFFF
##C0343B	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C553A

Deuteranopia (green-blind)

#7F7337

Tritanopia (blue-blind)

#D30038

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #c0343b;
/* rgb */ color: rgb(192, 52, 59);
/* oklch */ color: oklch(54.0% 0.176 22.8);

Tailwind

colors: {
  custom: {
    50: '#db7671',
    500: '#c0343b',
    950: '#000000',
  },
}

SCSS

$custom: #c0343b;
$custom-light: #db7671;
$custom-dark: #000000;

JSON

{
  "hex": "#c0343b",
  "rgb": {
    "r": 192,
    "g": 52,
    "b": 59
  },
  "hsl": {
    "h": 357,
    "s": 57.377,
    "l": 47.843
  },
  "oklch": {
    "l": 0.54049,
    "c": 0.17635,
    "h": 22.8
  },
  "luminance": 0.13978
}

Semantic roles & 50–950 ramp

primary

#C0343B

secondary

#85CBC7

accent

#E1D947

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #C0343B

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

Preview Lab → · Contrast checker → · Palette generator →