#CF4339#CF4339

#CF4339 is a mid, vivid red. Relative luminance 0.176; OKLCH L 58.1% C 0.178 H 28.0°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#CF4339
RGB	rgb(207, 67, 57)
HSL	hsl(4, 61%, 52%)
HSV	hsv(4, 72%, 81%)
CMYK	cmyk(0%, 67.6%, 72.5%, 18.8%)
CIE-LAB	lab(48.98, 54.49, 36.94)
CIE-LCH	lch(48.98, 65.83, 34.14°)
OKLab	oklab(58.11% 0.1572 0.0837)
OKLCH	oklch(58.11% 0.178 28)
XYZ	xyz(28.4809, 17.5793, 5.7636)
Luminance	0.1757 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF4339 #39C5CF

analogous

#CF397A #CF4339 #CF8E39

triadic

#CF4339 #39CF43 #4339CF

tetradic

#CF4339 #7ACF39 #39C5CF #8E39CF

square

#CF4339 #7ACF39 #39C5CF #8E39CF

split-complementary

#CF4339 #39CF8E #397ACF

monochromatic

#72211C #A33028 #CF4339 #DB726A #E7A19C

Accessibility & contrast

On white

4.65

#CF4339 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#CF4339 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #CF4339

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF4339	#FFFFFF	#000000	##FFFFFF
##CF4339	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B6137

Deuteranopia (green-blind)

#8D8034

Tritanopia (blue-blind)

#E31842

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #cf4339;
/* rgb */ color: rgb(207, 67, 57);
/* oklch */ color: oklch(58.1% 0.178 28.0);

Tailwind

colors: {
  custom: {
    50: '#e67f70',
    500: '#cf4339',
    950: '#000000',
  },
}

SCSS

$custom: #cf4339;
$custom-light: #e67f70;
$custom-dark: #000000;

JSON

{
  "hex": "#cf4339",
  "rgb": {
    "r": 207,
    "g": 67,
    "b": 57
  },
  "hsl": {
    "h": 4,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.58109,
    "c": 0.17811,
    "h": 28
  },
  "luminance": 0.17575
}

Semantic roles & 50–950 ramp

primary

#CF4339

secondary

#91CED3

accent

#D9E444

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CF4339

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

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