#C03933#C03933

#C03933 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.4% C 0.173 H 27.1°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#C03933
RGB	rgb(192, 57, 51)
HSL	hsl(3, 58%, 48%)
HSV	hsv(3, 73%, 75%)
CMYK	cmyk(0%, 70.3%, 73.4%, 24.7%)
CIE-LAB	lab(44.77, 53.23, 34.85)
CIE-LCH	lch(44.77, 63.62, 33.21°)
OKLab	oklab(54.43% 0.1538 0.0787)
OKLCH	oklch(54.43% 0.173 27.1)
XYZ	xyz(23.8016, 14.3753, 4.6528)
Luminance	0.1437 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03933 #33BAC0

analogous

#C03374 #C03933 #C07F33

triadic

#C03933 #33C039 #3933C0

tetradic

#C03933 #74C033 #33BAC0 #7F33C0

square

#C03933 #74C033 #33BAC0 #7F33C0

split-complementary

#C03933 #33C07F #3374C0

monochromatic

#5F1C19 #902B26 #C03933 #D4615C #E1908D

Accessibility & contrast

On white

5.42

#C03933 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#C03933 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03933

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03933	#FFFFFF	#000000	##FFFFFF
##C03933	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605731

Deuteranopia (green-blind)

#81752E

Tritanopia (blue-blind)

#D30539

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c03933;
/* rgb */ color: rgb(192, 57, 51);
/* oklch */ color: oklch(54.4% 0.173 27.1);

Tailwind

colors: {
  custom: {
    50: '#db786b',
    500: '#c03933',
    950: '#000000',
  },
}

SCSS

$custom: #c03933;
$custom-light: #db786b;
$custom-dark: #000000;

JSON

{
  "hex": "#c03933",
  "rgb": {
    "r": 192,
    "g": 57,
    "b": 51
  },
  "hsl": {
    "h": 2.553,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.54432,
    "c": 0.17275,
    "h": 27.1
  },
  "luminance": 0.14372
}

Semantic roles & 50–950 ramp

primary

#C03933

secondary

#84C8CB

accent

#DBE147

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C03933

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

Preview Lab → · Contrast checker → · Palette generator →