#C03733#C03733

#C03733 is a mid, vivid red. Relative luminance 0.142; OKLCH L 54.2% C 0.175 H 26.5°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#C03733
RGB	rgb(192, 55, 51)
HSL	hsl(2, 58%, 48%)
HSV	hsv(2, 73%, 75%)
CMYK	cmyk(0%, 71.4%, 73.4%, 24.7%)
CIE-LAB	lab(44.49, 53.99, 34.54)
CIE-LCH	lch(44.49, 64.09, 32.61°)
OKLab	oklab(54.23% 0.1562 0.078)
OKLCH	oklch(54.23% 0.175 26.5)
XYZ	xyz(23.7046, 14.1814, 4.6204)
Luminance	0.1418 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03733 #33BCC0

analogous

#C03376 #C03733 #C07D33

triadic

#C03733 #33C037 #3733C0

tetradic

#C03733 #76C033 #33BCC0 #7D33C0

square

#C03733 #76C033 #33BCC0 #7D33C0

split-complementary

#C03733 #33C07D #3376C0

monochromatic

#5F1B19 #902926 #C03733 #D4605C #E18F8D

Accessibility & contrast

On white

5.48

#C03733 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#C03733 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03733

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03733	#FFFFFF	#000000	##FFFFFF
##C03733	1.00	5.48	3.84	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5631

Deuteranopia (green-blind)

#81742E

Tritanopia (blue-blind)

#D30038

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c03733;
/* rgb */ color: rgb(192, 55, 51);
/* oklch */ color: oklch(54.2% 0.175 26.5);

Tailwind

colors: {
  custom: {
    50: '#db776b',
    500: '#c03733',
    950: '#000000',
  },
}

SCSS

$custom: #c03733;
$custom-light: #db776b;
$custom-dark: #000000;

JSON

{
  "hex": "#c03733",
  "rgb": {
    "r": 192,
    "g": 55,
    "b": 51
  },
  "hsl": {
    "h": 1.702,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.54227,
    "c": 0.17457,
    "h": 26.5
  },
  "luminance": 0.14178
}

Semantic roles & 50–950 ramp

primary

#C03733

secondary

#84C9CB

accent

#DDE147

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C03733

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

Preview Lab → · Contrast checker → · Palette generator →