#CF3437#CF3437

#CF3437 is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.6% C 0.192 H 24.9°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#CF3437
RGB	rgb(207, 52, 55)
HSL	hsl(359, 62%, 51%)
HSV	hsv(359, 75%, 81%)
CMYK	cmyk(0%, 74.9%, 73.4%, 18.8%)
CIE-LAB	lab(46.98, 59.86, 35.80)
CIE-LCH	lch(46.98, 69.75, 30.88°)
OKLab	oklab(56.6% 0.1738 0.0808)
OKLCH	oklch(56.6% 0.192 24.9)
XYZ	xyz(27.6529, 16.0015, 5.2462)
Luminance	0.1600 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3437 #34CFCC

analogous

#CF3484 #CF3437 #CF7E34

triadic

#CF3437 #37CF34 #3437CF

tetradic

#CF3437 #84CF34 #34CFCC #7E34CF

square

#CF3437 #84CF34 #34CFCC #7E34CF

split-complementary

#CF3437 #34CF7E #3484CF

monochromatic

#6E1A1C #A02628 #CF3437 #DB6568 #E69799

Accessibility & contrast

On white

5.00

#CF3437 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#CF3437 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3437

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3437	#FFFFFF	#000000	##FFFFFF
##CF3437	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A35

Deuteranopia (green-blind)

#897B31

Tritanopia (blue-blind)

#E40037

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #cf3437;
/* rgb */ color: rgb(207, 52, 55);
/* oklch */ color: oklch(56.6% 0.192 24.9);

Tailwind

colors: {
  custom: {
    50: '#e7786e',
    500: '#cf3437',
    950: '#000000',
  },
}

SCSS

$custom: #cf3437;
$custom-light: #e7786e;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3437",
  "rgb": {
    "r": 207,
    "g": 52,
    "b": 55
  },
  "hsl": {
    "h": 358.839,
    "s": 61.753,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56604,
    "c": 0.19161,
    "h": 24.9
  },
  "luminance": 0.15997
}

Semantic roles & 50–950 ramp

primary

#CF3437

secondary

#8DD2D0

accent

#E5E243

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #CF3437

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

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