#C03E37#C03E37

#C03E37 is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.0% C 0.167 H 27.1°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#C03E37
RGB	rgb(192, 62, 55)
HSL	hsl(3, 55%, 48%)
HSV	hsv(3, 71%, 75%)
CMYK	cmyk(0%, 67.7%, 71.4%, 24.7%)
CIE-LAB	lab(45.54, 51.44, 33.43)
CIE-LCH	lch(45.54, 61.35, 33.02°)
OKLab	oklab(55.03% 0.149 0.0764)
OKLCH	oklch(55.03% 0.167 27.1)
XYZ	xyz(24.1531, 14.9311, 5.2239)
Luminance	0.1493 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03E37 #37B9C0

analogous

#C03774 #C03E37 #C08237

triadic

#C03E37 #37C03E #3E37C0

tetradic

#C03E37 #74C037 #37B9C0 #8237C0

square

#C03E37 #74C037 #37B9C0 #8237C0

split-complementary

#C03E37 #37C082 #3774C0

monochromatic

#611F1C #902F29 #C03E37 #D26862 #E09692

Accessibility & contrast

On white

5.27

#C03E37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#C03E37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03E37

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03E37	#FFFFFF	#000000	##FFFFFF
##C03E37	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A35

Deuteranopia (green-blind)

#837633

Tritanopia (blue-blind)

#D3183D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c03e37;
/* rgb */ color: rgb(192, 62, 55);
/* oklch */ color: oklch(55.0% 0.167 27.1);

Tailwind

colors: {
  custom: {
    50: '#db7b6e',
    500: '#c03e37',
    950: '#000000',
  },
}

SCSS

$custom: #c03e37;
$custom-light: #db7b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#c03e37",
  "rgb": {
    "r": 192,
    "g": 62,
    "b": 55
  },
  "hsl": {
    "h": 3.066,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.55027,
    "c": 0.16744,
    "h": 27.1
  },
  "luminance": 0.14928
}

Semantic roles & 50–950 ramp

primary

#C03E37

secondary

#88C7CB

accent

#D7DF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #C03E37

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

Preview Lab → · Contrast checker → · Palette generator →