#CF303A#CF303A

#CF303A is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.3% C 0.195 H 23.2°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#CF303A
RGB	rgb(207, 48, 58)
HSL	hsl(356, 62%, 50%)
HSV	hsv(356, 77%, 81%)
CMYK	cmyk(0%, 76.8%, 72%, 18.8%)
CIE-LAB	lab(46.56, 61.25, 33.58)
CIE-LCH	lch(46.56, 69.85, 28.73°)
OKLab	oklab(56.31% 0.1788 0.0765)
OKLCH	oklch(56.31% 0.195 23.2)
XYZ	xyz(27.5560, 15.6891, 5.5795)
Luminance	0.1568 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF303A #30CFC5

analogous

#CF308A #CF303A #CF7530

triadic

#CF303A #3ACF30 #303ACF

tetradic

#CF303A #8ACF30 #30CFC5 #7530CF

square

#CF303A #8ACF30 #30CFC5 #7530CF

split-complementary

#CF303A #30CF75 #308ACF

monochromatic

#6C191E #9D242C #CF303A #DB6269 #E69399

Accessibility & contrast

On white

5.08

#CF303A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#CF303A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF303A

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF303A	#FFFFFF	#000000	##FFFFFF
##CF303A	1.00	5.08	4.14	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605939

Deuteranopia (green-blind)

#887B34

Tritanopia (blue-blind)

#E40036

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cf303a;
/* rgb */ color: rgb(207, 48, 58);
/* oklch */ color: oklch(56.3% 0.195 23.2);

Tailwind

colors: {
  custom: {
    50: '#e77670',
    500: '#cf303a',
    950: '#000000',
  },
}

SCSS

$custom: #cf303a;
$custom-light: #e77670;
$custom-dark: #000000;

JSON

{
  "hex": "#cf303a",
  "rgb": {
    "r": 207,
    "g": 48,
    "b": 58
  },
  "hsl": {
    "h": 356.226,
    "s": 62.353,
    "l": 50
  },
  "oklch": {
    "l": 0.5631,
    "c": 0.1945,
    "h": 23.2
  },
  "luminance": 0.15685
}

Semantic roles & 50–950 ramp

primary

#CF303A

secondary

#8AD1CD

accent

#E5DB42

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #CF303A

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

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