#C03742#C03742

#C03742 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.5% C 0.173 H 20.8°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#C03742
RGB	rgb(192, 55, 66)
HSL	hsl(355, 55%, 48%)
HSV	hsv(355, 71%, 75%)
CMYK	cmyk(0%, 71.4%, 65.6%, 24.7%)
CIE-LAB	lab(44.71, 54.74, 25.90)
CIE-LCH	lch(44.71, 60.56, 25.32°)
OKLab	oklab(54.46% 0.1617 0.0614)
OKLCH	oklch(54.46% 0.173 20.8)
XYZ	xyz(24.0903, 14.3357, 6.6518)
Luminance	0.1433 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03742 #37C0B5

analogous

#C03787 #C03742 #C07037

triadic

#C03742 #42C037 #3742C0

tetradic

#C03742 #87C037 #37C0B5 #7037C0

square

#C03742 #87C037 #37C0B5 #7037C0

split-complementary

#C03742 #37C070 #3787C0

monochromatic

#611C21 #902932 #C03742 #D2626B #E09298

Accessibility & contrast

On white

5.43

#C03742 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#C03742 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03742

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03742	#FFFFFF	#000000	##FFFFFF
##C03742	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5741

Deuteranopia (green-blind)

#80743E

Tritanopia (blue-blind)

#D3073C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c03742;
/* rgb */ color: rgb(192, 55, 66);
/* oklch */ color: oklch(54.5% 0.173 20.8);

Tailwind

colors: {
  custom: {
    50: '#db7776',
    500: '#c03742',
    950: '#000000',
  },
}

SCSS

$custom: #c03742;
$custom-light: #db7776;
$custom-dark: #000000;

JSON

{
  "hex": "#c03742",
  "rgb": {
    "r": 192,
    "g": 55,
    "b": 66
  },
  "hsl": {
    "h": 355.182,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.5446,
    "c": 0.17299,
    "h": 20.8
  },
  "luminance": 0.14332
}

Semantic roles & 50–950 ramp

primary

#C03742

secondary

#88CBC5

accent

#DFD349

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #C03742

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

Preview Lab → · Contrast checker → · Palette generator →