#C03937#C03937

#C03937 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.5% C 0.172 H 25.7°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#C03937
RGB	rgb(192, 57, 55)
HSL	hsl(1, 55%, 48%)
HSV	hsv(1, 71%, 75%)
CMYK	cmyk(0%, 70.3%, 71.4%, 24.7%)
CIE-LAB	lab(44.82, 53.41, 32.59)
CIE-LCH	lch(44.82, 62.57, 31.39°)
OKLab	oklab(54.49% 0.1552 0.0746)
OKLCH	oklch(54.49% 0.172 25.7)
XYZ	xyz(23.8936, 14.4121, 5.1374)
Luminance	0.1441 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03937 #37BEC0

analogous

#C03779 #C03937 #C07D37

triadic

#C03937 #37C039 #3937C0

tetradic

#C03937 #79C037 #37BEC0 #7D37C0

square

#C03937 #79C037 #37BEC0 #7D37C0

split-complementary

#C03937 #37C07D #3779C0

monochromatic

#611D1C #902B29 #C03937 #D26462 #E09392

Accessibility & contrast

On white

5.41

#C03937 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#C03937 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03937

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03937	#FFFFFF	#000000	##FFFFFF
##C03937	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5735

Deuteranopia (green-blind)

#817533

Tritanopia (blue-blind)

#D3083A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c03937;
/* rgb */ color: rgb(192, 57, 55);
/* oklch */ color: oklch(54.5% 0.172 25.7);

Tailwind

colors: {
  custom: {
    50: '#db786e',
    500: '#c03937',
    950: '#000000',
  },
}

SCSS

$custom: #c03937;
$custom-light: #db786e;
$custom-dark: #000000;

JSON

{
  "hex": "#c03937",
  "rgb": {
    "r": 192,
    "g": 57,
    "b": 55
  },
  "hsl": {
    "h": 0.876,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54487,
    "c": 0.17219,
    "h": 25.7
  },
  "luminance": 0.14409
}

Semantic roles & 50–950 ramp

primary

#C03937

secondary

#88CACB

accent

#DDDF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #C03937

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

Preview Lab → · Contrast checker → · Palette generator →