#C13131#C13131

#C13131 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.8% C 0.181 H 25.7°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#C13131
RGB	rgb(193, 49, 49)
HSL	hsl(0, 60%, 47%)
HSV	hsv(0, 75%, 76%)
CMYK	cmyk(0%, 74.6%, 74.6%, 24.3%)
CIE-LAB	lab(43.89, 56.35, 35.06)
CIE-LCH	lch(43.89, 66.36, 31.89°)
OKLab	oklab(53.8% 0.1631 0.0786)
OKLCH	oklch(53.8% 0.181 25.7)
XYZ	xyz(23.6478, 13.7595, 4.3158)
Luminance	0.1376 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C13131 #31C1C1

analogous

#C13179 #C13131 #C17931

triadic

#C13131 #31C131 #3131C1

tetradic

#C13131 #79C131 #31C1C1 #7931C1

square

#C13131 #79C131 #31C1C1 #7931C1

split-complementary

#C13131 #31C179 #3179C1

monochromatic

#5F1818 #902525 #C13131 #D55A5A #E28B8B

Accessibility & contrast

On white

5.60

#C13131 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#C13131 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C13131

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C13131	#FFFFFF	#000000	##FFFFFF
##C13131	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C542F

Deuteranopia (green-blind)

#80732C

Tritanopia (blue-blind)

#D40033

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #c13131;
/* rgb */ color: rgb(193, 49, 49);
/* oklch */ color: oklch(53.8% 0.181 25.7);

Tailwind

colors: {
  custom: {
    50: '#dd7469',
    500: '#c13131',
    950: '#000000',
  },
}

SCSS

$custom: #c13131;
$custom-light: #dd7469;
$custom-dark: #000000;

JSON

{
  "hex": "#c13131",
  "rgb": {
    "r": 193,
    "g": 49,
    "b": 49
  },
  "hsl": {
    "h": 0,
    "s": 59.504,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53801,
    "c": 0.18104,
    "h": 25.7
  },
  "luminance": 0.13756
}

Semantic roles & 50–950 ramp

primary

#C13131

secondary

#82CCCC

accent

#E3E345

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C13131

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

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