#C13939#C13939

#C13939 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.7% C 0.173 H 24.9°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#C13939
RGB	rgb(193, 57, 57)
HSL	hsl(0, 54%, 49%)
HSV	hsv(0, 70%, 76%)
CMYK	cmyk(0%, 70.5%, 70.5%, 24.3%)
CIE-LAB	lab(45.03, 53.83, 31.71)
CIE-LCH	lch(45.03, 62.48, 30.50°)
OKLab	oklab(54.69% 0.1568 0.0729)
OKLCH	oklch(54.69% 0.173 24.9)
XYZ	xyz(24.1966, 14.5627, 5.4069)
Luminance	0.1456 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C13939 #39C1C1

analogous

#C1397D #C13939 #C17D39

triadic

#C13939 #39C139 #3939C1

tetradic

#C13939 #7DC139 #39C1C1 #7D39C1

square

#C13939 #7DC139 #39C1C1 #7D39C1

split-complementary

#C13939 #39C17D #397DC1

monochromatic

#631D1D #922B2B #C13939 #D26666 #E09595

Accessibility & contrast

On white

5.37

#C13939 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#C13939 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C13939

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C13939	#FFFFFF	#000000	##FFFFFF
##C13939	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605838

Deuteranopia (green-blind)

#827535

Tritanopia (blue-blind)

#D4083B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c13939;
/* rgb */ color: rgb(193, 57, 57);
/* oklch */ color: oklch(54.7% 0.173 24.9);

Tailwind

colors: {
  custom: {
    50: '#dc786f',
    500: '#c13939',
    950: '#000000',
  },
}

SCSS

$custom: #c13939;
$custom-light: #dc786f;
$custom-dark: #000000;

JSON

{
  "hex": "#c13939",
  "rgb": {
    "r": 193,
    "g": 57,
    "b": 57
  },
  "hsl": {
    "h": 0,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54687,
    "c": 0.17297,
    "h": 24.9
  },
  "luminance": 0.14559
}

Semantic roles & 50–950 ramp

primary

#C13939

secondary

#8BCBCB

accent

#DEDE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #C13939

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

Preview Lab → · Contrast checker → · Palette generator →