#C13F3F#C13F3F

#C13F3F is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.4% C 0.166 H 24.4°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#C13F3F
RGB	rgb(193, 63, 63)
HSL	hsl(0, 51%, 50%)
HSV	hsv(0, 67%, 76%)
CMYK	cmyk(0%, 67.4%, 67.4%, 24.3%)
CIE-LAB	lab(45.98, 51.78, 29.32)
CIE-LCH	lch(45.98, 59.50, 29.52°)
OKLab	oklab(55.43% 0.1516 0.0686)
OKLCH	oklch(55.43% 0.166 24.4)
XYZ	xyz(24.6696, 15.2549, 6.3471)
Luminance	0.1525 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C13F3F #3FC1C1

analogous

#C13F80 #C13F3F #C1803F

triadic

#C13F3F #3FC13F #3F3FC1

tetradic

#C13F3F #80C13F #3FC1C1 #803FC1

square

#C13F3F #80C13F #3FC1C1 #803FC1

split-complementary

#C13F3F #3FC180 #3F80C1

monochromatic

#652121 #933030 #C13F3F #D06D6D #DF9C9C

Accessibility & contrast

On white

5.18

#C13F3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#C13F3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C13F3F

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C13F3F	#FFFFFF	#000000	##FFFFFF
##C13F3F	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625B3E

Deuteranopia (green-blind)

#83773B

Tritanopia (blue-blind)

#D41C40

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c13f3f;
/* rgb */ color: rgb(193, 63, 63);
/* oklch */ color: oklch(55.4% 0.166 24.4);

Tailwind

colors: {
  custom: {
    50: '#db7b74',
    500: '#c13f3f',
    950: '#000000',
  },
}

SCSS

$custom: #c13f3f;
$custom-light: #db7b74;
$custom-dark: #000000;

JSON

{
  "hex": "#c13f3f",
  "rgb": {
    "r": 193,
    "g": 63,
    "b": 63
  },
  "hsl": {
    "h": 0,
    "s": 51.181,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55427,
    "c": 0.16639,
    "h": 24.4
  },
  "luminance": 0.15251
}

Semantic roles & 50–950 ramp

primary

#C13F3F

secondary

#91CBCB

accent

#DBDB4D

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#160A08

muted

#847C7B

Preview Lab

Preview with #C13F3F

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

Preview Lab → · Contrast checker → · Palette generator →