#C13A31#C13A31

#C13A31 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.7% C 0.173 H 28.1°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#C13A31
RGB	rgb(193, 58, 49)
HSL	hsl(4, 60%, 47%)
HSV	hsv(4, 75%, 76%)
CMYK	cmyk(0%, 69.9%, 74.6%, 24.3%)
CIE-LAB	lab(45.07, 53.09, 36.37)
CIE-LCH	lch(45.07, 64.35, 34.42°)
OKLab	oklab(54.68% 0.1528 0.0815)
OKLCH	oklch(54.68% 0.173 28.1)
XYZ	xyz(24.0625, 14.5889, 4.4541)
Luminance	0.1459 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C13A31 #31B8C1

analogous

#C13170 #C13A31 #C18231

triadic

#C13A31 #31C13A #3A31C1

tetradic

#C13A31 #70C131 #31B8C1 #8231C1

square

#C13A31 #70C131 #31B8C1 #8231C1

split-complementary

#C13A31 #31C182 #3170C1

monochromatic

#5F1D18 #902B25 #C13A31 #D5625A #E2908B

Accessibility & contrast

On white

5.36

#C13A31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#C13A31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C13A31

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C13A31	#FFFFFF	#000000	##FFFFFF
##C13A31	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61582F

Deuteranopia (green-blind)

#83752C

Tritanopia (blue-blind)

#D40739

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c13a31;
/* rgb */ color: rgb(193, 58, 49);
/* oklch */ color: oklch(54.7% 0.173 28.1);

Tailwind

colors: {
  custom: {
    50: '#dc796a',
    500: '#c13a31',
    950: '#000000',
  },
}

SCSS

$custom: #c13a31;
$custom-light: #dc796a;
$custom-dark: #000000;

JSON

{
  "hex": "#c13a31",
  "rgb": {
    "r": 193,
    "g": 58,
    "b": 49
  },
  "hsl": {
    "h": 3.75,
    "s": 59.504,
    "l": 47.451
  },
  "oklch": {
    "l": 0.54682,
    "c": 0.17318,
    "h": 28.1
  },
  "luminance": 0.14585
}

Semantic roles & 50–950 ramp

primary

#C13A31

secondary

#82C7CC

accent

#D9E345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C13A31

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

Preview Lab → · Contrast checker → · Palette generator →