#CF3531#CF3531

#CF3531 is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.6% C 0.192 H 27.0°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#CF3531
RGB	rgb(207, 53, 49)
HSL	hsl(2, 62%, 50%)
HSV	hsv(2, 76%, 81%)
CMYK	cmyk(0%, 74.4%, 76.3%, 18.8%)
CIE-LAB	lab(47.02, 59.30, 39.26)
CIE-LCH	lch(47.02, 71.12, 33.51°)
OKLab	oklab(56.62% 0.1707 0.0868)
OKLCH	oklch(56.62% 0.192 27)
XYZ	xyz(27.5628, 16.0377, 4.5494)
Luminance	0.1603 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3531 #31CBCF

analogous

#CF317C #CF3531 #CF8431

triadic

#CF3531 #31CF35 #3531CF

tetradic

#CF3531 #7CCF31 #31CBCF #8431CF

square

#CF3531 #7CCF31 #31CBCF #8431CF

split-complementary

#CF3531 #31CF84 #317CCF

monochromatic

#6C1B19 #9E2825 #CF3531 #DB6663 #E69694

Accessibility & contrast

On white

4.99

#CF3531 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#CF3531 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3531

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3531	#FFFFFF	#000000	##FFFFFF
##CF3531	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645A2F

Deuteranopia (green-blind)

#8A7C2B

Tritanopia (blue-blind)

#E40036

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #cf3531;
/* rgb */ color: rgb(207, 53, 49);
/* oklch */ color: oklch(56.6% 0.192 27.0);

Tailwind

colors: {
  custom: {
    50: '#e7786a',
    500: '#cf3531',
    950: '#000000',
  },
}

SCSS

$custom: #cf3531;
$custom-light: #e7786a;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3531",
  "rgb": {
    "r": 207,
    "g": 53,
    "b": 49
  },
  "hsl": {
    "h": 1.519,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56617,
    "c": 0.19151,
    "h": 27
  },
  "luminance": 0.16033
}

Semantic roles & 50–950 ramp

primary

#CF3531

secondary

#8BCFD1

accent

#E1E543

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A06

muted

#867C7A

Preview Lab

Preview with #CF3531

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

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