#C13B33#C13B33

#C13B33 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.8% C 0.172 H 27.7°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#C13B33
RGB	rgb(193, 59, 51)
HSL	hsl(3, 58%, 48%)
HSV	hsv(3, 74%, 76%)
CMYK	cmyk(0%, 69.4%, 73.6%, 24.3%)
CIE-LAB	lab(45.23, 52.79, 35.42)
CIE-LCH	lch(45.23, 63.57, 33.86°)
OKLab	oklab(54.81% 0.1523 0.0799)
OKLCH	oklch(54.81% 0.172 27.7)
XYZ	xyz(24.1565, 14.7080, 4.6983)
Luminance	0.1470 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C13B33 #33B9C1

analogous

#C13372 #C13B33 #C18233

triadic

#C13B33 #33C13B #3B33C1

tetradic

#C13B33 #72C133 #33B9C1 #8233C1

square

#C13B33 #72C133 #33B9C1 #8233C1

split-complementary

#C13B33 #33C182 #3372C1

monochromatic

#601D19 #912C26 #C13B33 #D4645D #E1928D

Accessibility & contrast

On white

5.33

#C13B33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#C13B33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C13B33

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C13B33	#FFFFFF	#000000	##FFFFFF
##C13B33	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615831

Deuteranopia (green-blind)

#83762E

Tritanopia (blue-blind)

#D40C3A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c13b33;
/* rgb */ color: rgb(193, 59, 51);
/* oklch */ color: oklch(54.8% 0.172 27.7);

Tailwind

colors: {
  custom: {
    50: '#dc796b',
    500: '#c13b33',
    950: '#000000',
  },
}

SCSS

$custom: #c13b33;
$custom-light: #dc796b;
$custom-dark: #000000;

JSON

{
  "hex": "#c13b33",
  "rgb": {
    "r": 193,
    "g": 59,
    "b": 51
  },
  "hsl": {
    "h": 3.38,
    "s": 58.197,
    "l": 47.843
  },
  "oklch": {
    "l": 0.54813,
    "c": 0.17195,
    "h": 27.7
  },
  "luminance": 0.14704
}

Semantic roles & 50–950 ramp

primary

#C13B33

secondary

#84C7CB

accent

#D9E146

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C13B33

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

Preview Lab → · Contrast checker → · Palette generator →