#C03D37#C03D37

#C03D37 is a mid, vivid red. Relative luminance 0.148; OKLCH L 54.9% C 0.168 H 26.8°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#C03D37
RGB	rgb(192, 61, 55)
HSL	hsl(3, 55%, 48%)
HSV	hsv(3, 71%, 75%)
CMYK	cmyk(0%, 68.2%, 71.4%, 24.7%)
CIE-LAB	lab(45.39, 51.85, 33.26)
CIE-LCH	lch(45.39, 61.60, 32.68°)
OKLab	oklab(54.92% 0.1503 0.076)
OKLCH	oklch(54.92% 0.168 26.8)
XYZ	xyz(24.0992, 14.8233, 5.2059)
Luminance	0.1482 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03D37 #37BAC0

analogous

#C03775 #C03D37 #C08137

triadic

#C03D37 #37C03D #3D37C0

tetradic

#C03D37 #75C037 #37BAC0 #8137C0

square

#C03D37 #75C037 #37BAC0 #8137C0

split-complementary

#C03D37 #37C081 #3775C0

monochromatic

#611F1C #902E29 #C03D37 #D26762 #E09592

Accessibility & contrast

On white

5.30

#C03D37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C03D37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03D37

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03D37	#FFFFFF	#000000	##FFFFFF
##C03D37	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625935

Deuteranopia (green-blind)

#827633

Tritanopia (blue-blind)

#D3153D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c03d37;
/* rgb */ color: rgb(192, 61, 55);
/* oklch */ color: oklch(54.9% 0.168 26.8);

Tailwind

colors: {
  custom: {
    50: '#db7a6e',
    500: '#c03d37',
    950: '#000000',
  },
}

SCSS

$custom: #c03d37;
$custom-light: #db7a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#c03d37",
  "rgb": {
    "r": 192,
    "g": 61,
    "b": 55
  },
  "hsl": {
    "h": 2.628,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54916,
    "c": 0.1684,
    "h": 26.8
  },
  "luminance": 0.1482
}

Semantic roles & 50–950 ramp

primary

#C03D37

secondary

#88C8CB

accent

#D8DF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #C03D37

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

Preview Lab → · Contrast checker → · Palette generator →