#C5303E#C5303E

#C5303E is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.6% C 0.185 H 21.1°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#C5303E
RGB	rgb(197, 48, 62)
HSL	hsl(354, 61%, 48%)
HSV	hsv(354, 76%, 77%)
CMYK	cmyk(0%, 75.6%, 68.5%, 22.7%)
CIE-LAB	lab(44.71, 58.48, 28.53)
CIE-LCH	lch(44.71, 65.07, 26.00°)
OKLab	oklab(54.61% 0.1722 0.0665)
OKLCH	oklch(54.61% 0.185 21.1)
XYZ	xyz(24.9552, 14.3358, 6.0096)
Luminance	0.1433 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5303E #30C5B7

analogous

#C53089 #C5303E #C56C30

triadic

#C5303E #3EC530 #303EC5

tetradic

#C5303E #89C530 #30C5B7 #6C30C5

square

#C5303E #89C530 #30C5B7 #6C30C5

split-complementary

#C5303E #30C56C #3089C5

monochromatic

#63181F #94242F #C5303E #D75B67 #E38C94

Accessibility & contrast

On white

5.43

#C5303E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#C5303E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C5303E

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5303E	#FFFFFF	#000000	##FFFFFF
##C5303E	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C563D

Deuteranopia (green-blind)

#817539

Tritanopia (blue-blind)

#D80037

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c5303e;
/* rgb */ color: rgb(197, 48, 62);
/* oklch */ color: oklch(54.6% 0.185 21.1);

Tailwind

colors: {
  custom: {
    50: '#df7573',
    500: '#c5303e',
    950: '#000000',
  },
}

SCSS

$custom: #c5303e;
$custom-light: #df7573;
$custom-dark: #000000;

JSON

{
  "hex": "#c5303e",
  "rgb": {
    "r": 197,
    "g": 48,
    "b": 62
  },
  "hsl": {
    "h": 354.362,
    "s": 60.816,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54609,
    "c": 0.18458,
    "h": 21.1
  },
  "luminance": 0.14332
}

Semantic roles & 50–950 ramp

primary

#C5303E

secondary

#84CDC6

accent

#E4D544

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170908

muted

#857B7B

Preview Lab

Preview with #C5303E

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

Preview Lab → · Contrast checker → · Palette generator →