#C13333#C13333

#C13333 is a mid, vivid red. Relative luminance 0.139; OKLCH L 54.0% C 0.179 H 25.5°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#C13333
RGB	rgb(193, 51, 51)
HSL	hsl(0, 58%, 48%)
HSV	hsv(0, 74%, 76%)
CMYK	cmyk(0%, 73.6%, 73.6%, 24.3%)
CIE-LAB	lab(44.16, 55.74, 34.21)
CIE-LCH	lch(44.16, 65.40, 31.54°)
OKLab	oklab(54.01% 0.1616 0.0772)
OKLCH	oklch(54.01% 0.179 25.5)
XYZ	xyz(23.7764, 13.9478, 4.5716)
Luminance	0.1394 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C13333 #33C1C1

analogous

#C1337A #C13333 #C17A33

triadic

#C13333 #33C133 #3333C1

tetradic

#C13333 #7AC133 #33C1C1 #7A33C1

square

#C13333 #7AC133 #33C1C1 #7A33C1

split-complementary

#C13333 #33C17A #337AC1

monochromatic

#601919 #912626 #C13333 #D45D5D #E18D8D

Accessibility & contrast

On white

5.54

#C13333 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#C13333 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C13333

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C13333	#FFFFFF	#000000	##FFFFFF
##C13333	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5531

Deuteranopia (green-blind)

#80742E

Tritanopia (blue-blind)

#D40035

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #c13333;
/* rgb */ color: rgb(193, 51, 51);
/* oklch */ color: oklch(54.0% 0.179 25.5);

Tailwind

colors: {
  custom: {
    50: '#dc756b',
    500: '#c13333',
    950: '#000000',
  },
}

SCSS

$custom: #c13333;
$custom-light: #dc756b;
$custom-dark: #000000;

JSON

{
  "hex": "#c13333",
  "rgb": {
    "r": 193,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 0,
    "s": 58.197,
    "l": 47.843
  },
  "oklch": {
    "l": 0.54012,
    "c": 0.17911,
    "h": 25.5
  },
  "luminance": 0.13944
}

Semantic roles & 50–950 ramp

primary

#C13333

secondary

#84CBCB

accent

#E1E146

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C13333

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

Preview Lab → · Contrast checker → · Palette generator →