#C03143#C03143

#C03143 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.9% C 0.179 H 19.0°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#C03143
RGB	rgb(192, 49, 67)
HSL	hsl(352, 59%, 47%)
HSV	hsv(352, 74%, 75%)
CMYK	cmyk(0%, 74.5%, 65.1%, 24.7%)
CIE-LAB	lab(43.96, 56.92, 24.35)
CIE-LCH	lch(43.96, 61.91, 23.16°)
OKLab	oklab(53.91% 0.1689 0.058)
OKLCH	oklch(53.91% 0.179 19)
XYZ	xyz(23.8522, 13.8119, 6.7191)
Luminance	0.1381 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03143 #31C0AE

analogous

#C0318A #C03143 #C06731

triadic

#C03143 #43C031 #3143C0

tetradic

#C03143 #8AC031 #31C0AE #6731C0

square

#C03143 #8AC031 #31C0AE #6731C0

split-complementary

#C03143 #31C067 #318AC0

monochromatic

#5E1821 #8F2532 #C03143 #D55969 #E18A95

Accessibility & contrast

On white

5.58

#C03143 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#C03143 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03143

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03143	#FFFFFF	#000000	##FFFFFF
##C03143	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5543

Deuteranopia (green-blind)

#7E733F

Tritanopia (blue-blind)

#D30039

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #c03143;
/* rgb */ color: rgb(192, 49, 67);
/* oklch */ color: oklch(53.9% 0.179 19.0);

Tailwind

colors: {
  custom: {
    50: '#db7577',
    500: '#c03143',
    950: '#000000',
  },
}

SCSS

$custom: #c03143;
$custom-light: #db7577;
$custom-dark: #000000;

JSON

{
  "hex": "#c03143",
  "rgb": {
    "r": 192,
    "g": 49,
    "b": 67
  },
  "hsl": {
    "h": 352.448,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53908,
    "c": 0.17857,
    "h": 19
  },
  "luminance": 0.13808
}

Semantic roles & 50–950 ramp

primary

#C03143

secondary

#82CBC2

accent

#E3CF45

background

#FEF7F7

surface

#FDEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #C03143

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

Preview Lab → · Contrast checker → · Palette generator →