#CF3431#CF3431

#CF3431 is a mid, vivid red. Relative luminance 0.159; OKLCH L 56.5% C 0.192 H 26.7°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#CF3431
RGB	rgb(207, 52, 49)
HSL	hsl(1, 62%, 50%)
HSV	hsv(1, 76%, 81%)
CMYK	cmyk(0%, 74.9%, 76.3%, 18.8%)
CIE-LAB	lab(46.91, 59.63, 39.13)
CIE-LCH	lch(46.91, 71.32, 33.28°)
OKLab	oklab(56.53% 0.1718 0.0865)
OKLCH	oklch(56.53% 0.192 26.7)
XYZ	xyz(27.5177, 15.9474, 4.5344)
Luminance	0.1594 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3431 #31CCCF

analogous

#CF317D #CF3431 #CF8331

triadic

#CF3431 #31CF34 #3431CF

tetradic

#CF3431 #7DCF31 #31CCCF #8331CF

square

#CF3431 #7DCF31 #31CCCF #8331CF

split-complementary

#CF3431 #31CF83 #317DCF

monochromatic

#6C1B19 #9E2725 #CF3431 #DB6563 #E69694

Accessibility & contrast

On white

5.01

#CF3431 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#CF3431 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3431

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3431	#FFFFFF	#000000	##FFFFFF
##CF3431	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A2F

Deuteranopia (green-blind)

#897B2B

Tritanopia (blue-blind)

#E40035

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #cf3431;
/* rgb */ color: rgb(207, 52, 49);
/* oklch */ color: oklch(56.5% 0.192 26.7);

Tailwind

colors: {
  custom: {
    50: '#e7786a',
    500: '#cf3431',
    950: '#000000',
  },
}

SCSS

$custom: #cf3431;
$custom-light: #e7786a;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3431",
  "rgb": {
    "r": 207,
    "g": 52,
    "b": 49
  },
  "hsl": {
    "h": 1.139,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56528,
    "c": 0.19232,
    "h": 26.7
  },
  "luminance": 0.15943
}

Semantic roles & 50–950 ramp

primary

#CF3431

secondary

#8BD0D1

accent

#E2E543

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A06

muted

#867C7A

Preview Lab

Preview with #CF3431

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

Preview Lab → · Contrast checker → · Palette generator →