#CF4B37#CF4B37

#CF4B37 is a mid, vivid red. Relative luminance 0.186; OKLCH L 59.0% C 0.171 H 31.2°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#CF4B37
RGB	rgb(207, 75, 55)
HSL	hsl(8, 61%, 51%)
HSV	hsv(8, 73%, 81%)
CMYK	cmyk(0%, 63.8%, 73.4%, 18.8%)
CIE-LAB	lab(50.19, 51.08, 39.41)
CIE-LCH	lch(50.19, 64.52, 37.65°)
OKLab	oklab(59.01% 0.1462 0.0886)
OKLCH	oklch(59.01% 0.171 31.2)
XYZ	xyz(28.9409, 18.5775, 5.6756)
Luminance	0.1857 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF4B37 #37BBCF

analogous

#CF376F #CF4B37 #CF9737

triadic

#CF4B37 #37CF4B #4B37CF

tetradic

#CF4B37 #6FCF37 #37BBCF #9737CF

square

#CF4B37 #6FCF37 #37BBCF #9737CF

split-complementary

#CF4B37 #37CF97 #376FCF

monochromatic

#71261B #A23727 #CF4B37 #DB7768 #E7A49A

Accessibility & contrast

On white

4.45

#CF4B37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#CF4B37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CF4B37

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF4B37	#FFFFFF	#000000	##000000
##CF4B37	1.00	4.45	4.71	4.71
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#706534

Deuteranopia (green-blind)

#918233

Tritanopia (blue-blind)

#E32947

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #cf4b37;
/* rgb */ color: rgb(207, 75, 55);
/* oklch */ color: oklch(59.0% 0.171 31.2);

Tailwind

colors: {
  custom: {
    50: '#e6836f',
    500: '#cf4b37',
    950: '#000000',
  },
}

SCSS

$custom: #cf4b37;
$custom-light: #e6836f;
$custom-dark: #000000;

JSON

{
  "hex": "#cf4b37",
  "rgb": {
    "r": 207,
    "g": 75,
    "b": 55
  },
  "hsl": {
    "h": 7.895,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.59008,
    "c": 0.17091,
    "h": 31.2
  },
  "luminance": 0.18573
}

Semantic roles & 50–950 ramp

primary

#CF4B37

secondary

#8FCAD2

accent

#CFE443

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CF4B37

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

Preview Lab → · Contrast checker → · Palette generator →