#CF3131#CF3131

#CF3131 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.3% C 0.195 H 26.1°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#CF3131
RGB	rgb(207, 49, 49)
HSL	hsl(0, 62%, 50%)
HSV	hsv(0, 76%, 81%)
CMYK	cmyk(0%, 76.3%, 76.3%, 18.8%)
CIE-LAB	lab(46.56, 60.58, 38.76)
CIE-LCH	lch(46.56, 71.92, 32.61°)
OKLab	oklab(56.27% 0.1748 0.0857)
OKLCH	oklch(56.27% 0.195 26.1)
XYZ	xyz(27.3881, 15.6881, 4.4911)
Luminance	0.1568 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3131 #31CFCF

analogous

#CF3180 #CF3131 #CF8031

triadic

#CF3131 #31CF31 #3131CF

tetradic

#CF3131 #80CF31 #31CFCF #8031CF

square

#CF3131 #80CF31 #31CFCF #8031CF

split-complementary

#CF3131 #31CF80 #3180CF

monochromatic

#6C1919 #9E2525 #CF3131 #DB6363 #E69494

Accessibility & contrast

On white

5.08

#CF3131 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#CF3131 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3131

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3131	#FFFFFF	#000000	##FFFFFF
##CF3131	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)

#62582F

Deuteranopia (green-blind)

#897B2B

Tritanopia (blue-blind)

#E40033

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cf3131;
/* rgb */ color: rgb(207, 49, 49);
/* oklch */ color: oklch(56.3% 0.195 26.1);

Tailwind

colors: {
  custom: {
    50: '#e7766a',
    500: '#cf3131',
    950: '#000000',
  },
}

SCSS

$custom: #cf3131;
$custom-light: #e7766a;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3131",
  "rgb": {
    "r": 207,
    "g": 49,
    "b": 49
  },
  "hsl": {
    "h": 0,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56273,
    "c": 0.19467,
    "h": 26.1
  },
  "luminance": 0.15684
}

Semantic roles & 50–950 ramp

primary

#CF3131

secondary

#8BD1D1

accent

#E5E543

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A06

muted

#867C7A

Preview Lab

Preview with #CF3131

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

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