#C03343#C03343

#C03343 is a mid, vivid red. Relative luminance 0.140; OKLCH L 54.1% C 0.177 H 19.4°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#C03343
RGB	rgb(192, 51, 67)
HSL	hsl(353, 58%, 48%)
HSV	hsv(353, 73%, 75%)
CMYK	cmyk(0%, 73.4%, 65.1%, 24.7%)
CIE-LAB	lab(44.21, 56.24, 24.66)
CIE-LCH	lch(44.21, 61.41, 23.68°)
OKLab	oklab(54.09% 0.1667 0.0587)
OKLCH	oklch(54.09% 0.177 19.4)
XYZ	xyz(23.9377, 13.9829, 6.7476)
Luminance	0.1398 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03343 #33C0B0

analogous

#C0338A #C03343 #C06933

triadic

#C03343 #43C033 #3343C0

tetradic

#C03343 #8AC033 #33C0B0 #6933C0

square

#C03343 #8AC033 #33C0B0 #6933C0

split-complementary

#C03343 #33C069 #338AC0

monochromatic

#5F1921 #902632 #C03343 #D45C6A #E18D96

Accessibility & contrast

On white

5.53

#C03343 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#C03343 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03343

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03343	#FFFFFF	#000000	##FFFFFF
##C03343	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)

#5B5643

Deuteranopia (green-blind)

#7E733F

Tritanopia (blue-blind)

#D3003A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #c03343;
/* rgb */ color: rgb(192, 51, 67);
/* oklch */ color: oklch(54.1% 0.177 19.4);

Tailwind

colors: {
  custom: {
    50: '#db7677',
    500: '#c03343',
    950: '#000000',
  },
}

SCSS

$custom: #c03343;
$custom-light: #db7677;
$custom-dark: #000000;

JSON

{
  "hex": "#c03343",
  "rgb": {
    "r": 192,
    "g": 51,
    "b": 67
  },
  "hsl": {
    "h": 353.191,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.54092,
    "c": 0.17674,
    "h": 19.4
  },
  "luminance": 0.13979
}

Semantic roles & 50–950 ramp

primary

#C03343

secondary

#84CBC3

accent

#E1D047

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #C03343

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

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