#C53939#C53939

#C53939 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.4% C 0.177 H 25.1°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#C53939
RGB	rgb(197, 57, 57)
HSL	hsl(0, 55%, 50%)
HSV	hsv(0, 71%, 77%)
CMYK	cmyk(0%, 71.1%, 71.1%, 22.7%)
CIE-LAB	lab(45.77, 55.11, 32.76)
CIE-LCH	lch(45.77, 64.11, 30.73°)
OKLab	oklab(55.37% 0.1604 0.0751)
OKLCH	oklch(55.37% 0.177 25.1)
XYZ	xyz(25.2304, 15.0958, 5.4554)
Luminance	0.1509 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53939 #39C5C5

analogous

#C5397F #C53939 #C57F39

triadic

#C53939 #39C539 #3939C5

tetradic

#C53939 #7FC539 #39C5C5 #7F39C5

square

#C53939 #7FC539 #39C5C5 #7F39C5

split-complementary

#C53939 #39C57F #397FC5

monochromatic

#661E1E #962B2B #C53939 #D36868 #E19797

Accessibility & contrast

On white

5.23

#C53939 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#C53939 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53939

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53939	#FFFFFF	#000000	##FFFFFF
##C53939	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615938

Deuteranopia (green-blind)

#847734

Tritanopia (blue-blind)

#D9013B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c53939;
/* rgb */ color: rgb(197, 57, 57);
/* oklch */ color: oklch(55.4% 0.177 25.1);

Tailwind

colors: {
  custom: {
    50: '#df796f',
    500: '#c53939',
    950: '#000000',
  },
}

SCSS

$custom: #c53939;
$custom-light: #df796f;
$custom-dark: #000000;

JSON

{
  "hex": "#c53939",
  "rgb": {
    "r": 197,
    "g": 57,
    "b": 57
  },
  "hsl": {
    "h": 0,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55371,
    "c": 0.17708,
    "h": 25.1
  },
  "luminance": 0.15092
}

Semantic roles & 50–950 ramp

primary

#C53939

secondary

#8DCDCD

accent

#DEDE49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C53939

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

Preview Lab → · Contrast checker → · Palette generator →