#CF4239#CF4239

#CF4239 is a mid, vivid red. Relative luminance 0.175; OKLCH L 58.0% C 0.179 H 27.7°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#CF4239
RGB	rgb(207, 66, 57)
HSL	hsl(4, 61%, 52%)
HSV	hsv(4, 72%, 81%)
CMYK	cmyk(0%, 68.1%, 72.5%, 18.8%)
CIE-LAB	lab(48.84, 54.89, 36.78)
CIE-LCH	lch(48.84, 66.07, 33.82°)
OKLab	oklab(58% 0.1585 0.0833)
OKLCH	oklch(58% 0.179 27.7)
XYZ	xyz(28.4220, 17.4614, 5.7439)
Luminance	0.1746 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF4239 #39C6CF

analogous

#CF397B #CF4239 #CF8D39

triadic

#CF4239 #39CF42 #4239CF

tetradic

#CF4239 #7BCF39 #39C6CF #8D39CF

square

#CF4239 #7BCF39 #39C6CF #8D39CF

split-complementary

#CF4239 #39CF8D #397BCF

monochromatic

#72211C #A32F28 #CF4239 #DB716A #E7A09C

Accessibility & contrast

On white

4.68

#CF4239 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#CF4239 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF4239

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF4239	#FFFFFF	#000000	##FFFFFF
##CF4239	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6137

Deuteranopia (green-blind)

#8D7F34

Tritanopia (blue-blind)

#E31641

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #cf4239;
/* rgb */ color: rgb(207, 66, 57);
/* oklch */ color: oklch(58.0% 0.179 27.7);

Tailwind

colors: {
  custom: {
    50: '#e67e70',
    500: '#cf4239',
    950: '#000000',
  },
}

SCSS

$custom: #cf4239;
$custom-light: #e67e70;
$custom-dark: #000000;

JSON

{
  "hex": "#cf4239",
  "rgb": {
    "r": 207,
    "g": 66,
    "b": 57
  },
  "hsl": {
    "h": 3.6,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.58,
    "c": 0.17904,
    "h": 27.7
  },
  "luminance": 0.17457
}

Semantic roles & 50–950 ramp

primary

#CF4239

secondary

#91CFD3

accent

#DAE444

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CF4239

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

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