#C5303D#C5303D

#C5303D is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.6% C 0.185 H 21.5°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#C5303D
RGB	rgb(197, 48, 61)
HSL	hsl(355, 61%, 48%)
HSV	hsv(355, 76%, 77%)
CMYK	cmyk(0%, 75.6%, 69%, 22.7%)
CIE-LAB	lab(44.70, 58.43, 29.11)
CIE-LCH	lch(44.70, 65.28, 26.48°)
OKLab	oklab(54.59% 0.1718 0.0677)
OKLCH	oklch(54.59% 0.185 21.5)
XYZ	xyz(24.9280, 14.3250, 5.8664)
Luminance	0.1432 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5303D #30C5B8

analogous

#C53087 #C5303D #C56D30

triadic

#C5303D #3DC530 #303DC5

tetradic

#C5303D #87C530 #30C5B8 #6D30C5

square

#C5303D #87C530 #30C5B8 #6D30C5

split-complementary

#C5303D #30C56D #3087C5

monochromatic

#63181F #94242E #C5303D #D75B66 #E38C94

Accessibility & contrast

On white

5.43

#C5303D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#C5303D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C5303D

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5303D	#FFFFFF	#000000	##FFFFFF
##C5303D	1.00	5.43	3.86	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C553C

Deuteranopia (green-blind)

#817538

Tritanopia (blue-blind)

#D90036

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c5303d;
/* rgb */ color: rgb(197, 48, 61);
/* oklch */ color: oklch(54.6% 0.185 21.5);

Tailwind

colors: {
  custom: {
    50: '#df7572',
    500: '#c5303d',
    950: '#000000',
  },
}

SCSS

$custom: #c5303d;
$custom-light: #df7572;
$custom-dark: #000000;

JSON

{
  "hex": "#c5303d",
  "rgb": {
    "r": 197,
    "g": 48,
    "b": 61
  },
  "hsl": {
    "h": 354.765,
    "s": 60.816,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54593,
    "c": 0.18464,
    "h": 21.5
  },
  "luminance": 0.14321
}

Semantic roles & 50–950 ramp

primary

#C5303D

secondary

#84CDC7

accent

#E4D644

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170908

muted

#857B7B

Preview Lab

Preview with #C5303D

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

Preview Lab → · Contrast checker → · Palette generator →