#C13121#C13121

#C13121 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.6% C 0.183 H 30.3°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#C13121
RGB	rgb(193, 49, 33)
HSL	hsl(6, 71%, 44%)
HSV	hsv(6, 83%, 76%)
CMYK	cmyk(0%, 74.6%, 82.9%, 24.3%)
CIE-LAB	lab(43.72, 55.80, 43.64)
CIE-LCH	lch(43.72, 70.84, 38.03°)
OKLab	oklab(53.63% 0.1582 0.0924)
OKLCH	oklch(53.63% 0.183 30.3)
XYZ	xyz(23.3680, 13.6476, 2.8424)
Luminance	0.1364 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C13121 #21B1C1

analogous

#C12161 #C13121 #C18121

triadic

#C13121 #21C131 #3121C1

tetradic

#C13121 #61C121 #21B1C1 #8121C1

square

#C13121 #61C121 #21B1C1 #8121C1

split-complementary

#C13121 #21C181 #2161C1

monochromatic

#58160F #8D2418 #C13121 #DE5141 #E78075

Accessibility & contrast

On white

5.63

#C13121 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#C13121 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C13121

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C13121	#FFFFFF	#000000	##FFFFFF
##C13121	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D531D

Deuteranopia (green-blind)

#817319

Tritanopia (blue-blind)

#D5002F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #c13121;
/* rgb */ color: rgb(193, 49, 33);
/* oklch */ color: oklch(53.6% 0.183 30.3);

Tailwind

colors: {
  custom: {
    50: '#de745e',
    500: '#c13121',
    950: '#000000',
  },
}

SCSS

$custom: #c13121;
$custom-light: #de745e;
$custom-dark: #000000;

JSON

{
  "hex": "#c13121",
  "rgb": {
    "r": 193,
    "g": 49,
    "b": 33
  },
  "hsl": {
    "h": 6,
    "s": 70.796,
    "l": 44.314
  },
  "oklch": {
    "l": 0.53628,
    "c": 0.1832,
    "h": 30.3
  },
  "luminance": 0.13644
}

Semantic roles & 50–950 ramp

primary

#C13121

secondary

#6FC5CF

accent

#DCEE3A

background

#FFF7F5

surface

#FEEDE9

border

#D6C8C5

text

#170904

muted

#857B79

Preview Lab

Preview with #C13121

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

Preview Lab → · Contrast checker → · Palette generator →