#C03C37#C03C37

#C03C37 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.8% C 0.169 H 26.5°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#C03C37
RGB	rgb(192, 60, 55)
HSL	hsl(2, 55%, 48%)
HSV	hsv(2, 71%, 75%)
CMYK	cmyk(0%, 68.7%, 71.4%, 24.7%)
CIE-LAB	lab(45.24, 52.25, 33.09)
CIE-LCH	lch(45.24, 61.84, 32.35°)
OKLab	oklab(54.81% 0.1515 0.0756)
OKLCH	oklch(54.81% 0.169 26.5)
XYZ	xyz(24.0463, 14.7176, 5.1883)
Luminance	0.1471 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03C37 #37BBC0

analogous

#C03776 #C03C37 #C08037

triadic

#C03C37 #37C03C #3C37C0

tetradic

#C03C37 #76C037 #37BBC0 #8037C0

square

#C03C37 #76C037 #37BBC0 #8037C0

split-complementary

#C03C37 #37C080 #3776C0

monochromatic

#611E1C #902D29 #C03C37 #D26662 #E09592

Accessibility & contrast

On white

5.33

#C03C37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#C03C37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03C37

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03C37	#FFFFFF	#000000	##FFFFFF
##C03C37	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615935

Deuteranopia (green-blind)

#827633

Tritanopia (blue-blind)

#D3133C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c03c37;
/* rgb */ color: rgb(192, 60, 55);
/* oklch */ color: oklch(54.8% 0.169 26.5);

Tailwind

colors: {
  custom: {
    50: '#db7a6e',
    500: '#c03c37',
    950: '#000000',
  },
}

SCSS

$custom: #c03c37;
$custom-light: #db7a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#c03c37",
  "rgb": {
    "r": 192,
    "g": 60,
    "b": 55
  },
  "hsl": {
    "h": 2.19,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54806,
    "c": 0.16936,
    "h": 26.5
  },
  "luminance": 0.14714
}

Semantic roles & 50–950 ramp

primary

#C03C37

secondary

#88C8CB

accent

#D9DF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #C03C37

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

Preview Lab → · Contrast checker → · Palette generator →