#C5303C#C5303C

#C5303C is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.6% C 0.185 H 21.9°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#C5303C
RGB	rgb(197, 48, 60)
HSL	hsl(355, 61%, 48%)
HSV	hsv(355, 76%, 77%)
CMYK	cmyk(0%, 75.6%, 69.5%, 22.7%)
CIE-LAB	lab(44.68, 58.38, 29.69)
CIE-LCH	lch(44.68, 65.50, 26.96°)
OKLab	oklab(54.58% 0.1714 0.0688)
OKLCH	oklch(54.58% 0.185 21.9)
XYZ	xyz(24.9013, 14.3143, 5.7258)
Luminance	0.1431 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5303C #30C5B9

analogous

#C53086 #C5303C #C56F30

triadic

#C5303C #3CC530 #303CC5

tetradic

#C5303C #86C530 #30C5B9 #6F30C5

square

#C5303C #86C530 #30C5B9 #6F30C5

split-complementary

#C5303C #30C56F #3086C5

monochromatic

#63181E #94242D #C5303C #D75B65 #E38C93

Accessibility & contrast

On white

5.44

#C5303C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#C5303C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C5303C

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5303C	#FFFFFF	#000000	##FFFFFF
##C5303C	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)

#5C553B

Deuteranopia (green-blind)

#817537

Tritanopia (blue-blind)

#D90036

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c5303c;
/* rgb */ color: rgb(197, 48, 60);
/* oklch */ color: oklch(54.6% 0.185 21.9);

Tailwind

colors: {
  custom: {
    50: '#df7571',
    500: '#c5303c',
    950: '#000000',
  },
}

SCSS

$custom: #c5303c;
$custom-light: #df7571;
$custom-dark: #000000;

JSON

{
  "hex": "#c5303c",
  "rgb": {
    "r": 197,
    "g": 48,
    "b": 60
  },
  "hsl": {
    "h": 355.168,
    "s": 60.816,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54577,
    "c": 0.18472,
    "h": 21.9
  },
  "luminance": 0.1431
}

Semantic roles & 50–950 ramp

primary

#C5303C

secondary

#84CDC7

accent

#E4D744

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C5303C

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

Preview Lab → · Contrast checker → · Palette generator →