#C5303A#C5303A

#C5303A is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.5% C 0.185 H 22.6°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#C5303A
RGB	rgb(197, 48, 58)
HSL	hsl(356, 61%, 48%)
HSV	hsv(356, 76%, 77%)
CMYK	cmyk(0%, 75.6%, 70.6%, 22.7%)
CIE-LAB	lab(44.65, 58.29, 30.85)
CIE-LCH	lch(44.65, 65.95, 27.89°)
OKLab	oklab(54.55% 0.1707 0.071)
OKLCH	oklch(54.55% 0.185 22.6)
XYZ	xyz(24.8494, 14.2935, 5.4527)
Luminance	0.1429 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5303A #30C5BB

analogous

#C53084 #C5303A #C57030

triadic

#C5303A #3AC530 #303AC5

tetradic

#C5303A #84C530 #30C5BB #7030C5

square

#C5303A #84C530 #30C5BB #7030C5

split-complementary

#C5303A #30C570 #3084C5

monochromatic

#63181D #94242C #C5303A #D75B63 #E38C92

Accessibility & contrast

On white

5.44

#C5303A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#C5303A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C5303A

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5303A	#FFFFFF	#000000	##FFFFFF
##C5303A	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5539

Deuteranopia (green-blind)

#817535

Tritanopia (blue-blind)

#D90035

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c5303a;
/* rgb */ color: rgb(197, 48, 58);
/* oklch */ color: oklch(54.5% 0.185 22.6);

Tailwind

colors: {
  custom: {
    50: '#df7570',
    500: '#c5303a',
    950: '#000000',
  },
}

SCSS

$custom: #c5303a;
$custom-light: #df7570;
$custom-dark: #000000;

JSON

{
  "hex": "#c5303a",
  "rgb": {
    "r": 197,
    "g": 48,
    "b": 58
  },
  "hsl": {
    "h": 355.973,
    "s": 60.816,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54546,
    "c": 0.18487,
    "h": 22.6
  },
  "luminance": 0.1429
}

Semantic roles & 50–950 ramp

primary

#C5303A

secondary

#84CDC8

accent

#E4D944

background

#FEF7F6

surface

#FDEDEC

border

#D5C8C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C5303A

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

Preview Lab → · Contrast checker → · Palette generator →