#C53039#C53039

#C53039 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.5% C 0.185 H 23.0°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#C53039
RGB	rgb(197, 48, 57)
HSL	hsl(356, 61%, 48%)
HSV	hsv(356, 76%, 77%)
CMYK	cmyk(0%, 75.6%, 71.1%, 22.7%)
CIE-LAB	lab(44.64, 58.24, 31.43)
CIE-LCH	lch(44.64, 66.18, 28.35°)
OKLab	oklab(54.53% 0.1703 0.0721)
OKLCH	oklch(54.53% 0.185 23)
XYZ	xyz(24.8243, 14.2835, 5.3200)
Luminance	0.1428 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53039 #30C5BC

analogous

#C53083 #C53039 #C57130

triadic

#C53039 #39C530 #3039C5

tetradic

#C53039 #83C530 #30C5BC #7130C5

square

#C53039 #83C530 #30C5BC #7130C5

split-complementary

#C53039 #30C571 #3083C5

monochromatic

#63181D #94242B #C53039 #D75B63 #E38C92

Accessibility & contrast

On white

5.45

#C53039 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#C53039 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53039

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53039	#FFFFFF	#000000	##FFFFFF
##C53039	1.00	5.45	3.86	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5538

Deuteranopia (green-blind)

#817534

Tritanopia (blue-blind)

#D90035

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c53039;
/* rgb */ color: rgb(197, 48, 57);
/* oklch */ color: oklch(54.5% 0.185 23.0);

Tailwind

colors: {
  custom: {
    50: '#df756f',
    500: '#c53039',
    950: '#000000',
  },
}

SCSS

$custom: #c53039;
$custom-light: #df756f;
$custom-dark: #000000;

JSON

{
  "hex": "#c53039",
  "rgb": {
    "r": 197,
    "g": 48,
    "b": 57
  },
  "hsl": {
    "h": 356.376,
    "s": 60.816,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54531,
    "c": 0.18496,
    "h": 23
  },
  "luminance": 0.1428
}

Semantic roles & 50–950 ramp

primary

#C53039

secondary

#84CDC9

accent

#E4DA44

background

#FEF7F6

surface

#FDEDEC

border

#D5C8C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C53039

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

Preview Lab → · Contrast checker → · Palette generator →