#CF4539#CF4539

#CF4539 is a mid, vivid red. Relative luminance 0.178; OKLCH L 58.3% C 0.176 H 28.6°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#CF4539
RGB	rgb(207, 69, 57)
HSL	hsl(5, 61%, 52%)
HSV	hsv(5, 72%, 81%)
CMYK	cmyk(0%, 66.7%, 72.5%, 18.8%)
CIE-LAB	lab(49.28, 53.69, 37.28)
CIE-LCH	lch(49.28, 65.36, 34.78°)
OKLab	oklab(58.33% 0.1547 0.0844)
OKLCH	oklch(58.33% 0.176 28.6)
XYZ	xyz(28.6019, 17.8212, 5.8039)
Luminance	0.1782 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF4539 #39C3CF

analogous

#CF3978 #CF4539 #CF9039

triadic

#CF4539 #39CF45 #4539CF

tetradic

#CF4539 #78CF39 #39C3CF #9039CF

square

#CF4539 #78CF39 #39C3CF #9039CF

split-complementary

#CF4539 #39CF90 #3978CF

monochromatic

#72231C #A33128 #CF4539 #DB736A #E7A29C

Accessibility & contrast

On white

4.60

#CF4539 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#CF4539 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #CF4539

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF4539	#FFFFFF	#000000	##FFFFFF
##CF4539	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6237

Deuteranopia (green-blind)

#8E8034

Tritanopia (blue-blind)

#E31D43

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #cf4539;
/* rgb */ color: rgb(207, 69, 57);
/* oklch */ color: oklch(58.3% 0.176 28.6);

Tailwind

colors: {
  custom: {
    50: '#e68070',
    500: '#cf4539',
    950: '#000000',
  },
}

SCSS

$custom: #cf4539;
$custom-light: #e68070;
$custom-dark: #000000;

JSON

{
  "hex": "#cf4539",
  "rgb": {
    "r": 207,
    "g": 69,
    "b": 57
  },
  "hsl": {
    "h": 4.8,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.58332,
    "c": 0.17623,
    "h": 28.6
  },
  "luminance": 0.17817
}

Semantic roles & 50–950 ramp

primary

#CF4539

secondary

#91CED3

accent

#D7E444

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CF4539

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

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