#C03729#C03729

#C03729 is a mid, vivid red. Relative luminance 0.141; OKLCH L 54.1% C 0.176 H 29.7°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#C03729
RGB	rgb(192, 55, 41)
HSL	hsl(6, 65%, 46%)
HSV	hsv(6, 79%, 75%)
CMYK	cmyk(0%, 71.4%, 78.6%, 24.7%)
CIE-LAB	lab(44.38, 53.60, 40.02)
CIE-LCH	lch(44.38, 66.89, 36.75°)
OKLab	oklab(54.11% 0.1529 0.0873)
OKLCH	oklch(54.11% 0.176 29.7)
XYZ	xyz(23.5074, 14.1025, 3.5817)
Luminance	0.1410 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03729 #29B2C0

analogous

#C02966 #C03729 #C08229

triadic

#C03729 #29C037 #3729C0

tetradic

#C03729 #66C029 #29B2C0 #8229C0

square

#C03729 #66C029 #29B2C0 #8229C0

split-complementary

#C03729 #29C082 #2966C0

monochromatic

#5B1A13 #8E291E #C03729 #D95A4D #E48980

Accessibility & contrast

On white

5.50

#C03729 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#C03729 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03729

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03729	#FFFFFF	#000000	##FFFFFF
##C03729	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605626

Deuteranopia (green-blind)

#827423

Tritanopia (blue-blind)

#D40035

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c03729;
/* rgb */ color: rgb(192, 55, 41);
/* oklch */ color: oklch(54.1% 0.176 29.7);

Tailwind

colors: {
  custom: {
    50: '#dc7764',
    500: '#c03729',
    950: '#000000',
  },
}

SCSS

$custom: #c03729;
$custom-light: #dc7764;
$custom-dark: #000000;

JSON

{
  "hex": "#c03729",
  "rgb": {
    "r": 192,
    "g": 55,
    "b": 41
  },
  "hsl": {
    "h": 5.563,
    "s": 64.807,
    "l": 45.686
  },
  "oklch": {
    "l": 0.54107,
    "c": 0.17608,
    "h": 29.7
  },
  "luminance": 0.14099
}

Semantic roles & 50–950 ramp

primary

#C03729

secondary

#78C5CC

accent

#D8E840

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170905

muted

#857B7A

Preview Lab

Preview with #C03729

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

Preview Lab → · Contrast checker → · Palette generator →