#CF3636#CF3636

#CF3636 is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.8% C 0.190 H 25.7°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#CF3636
RGB	rgb(207, 54, 54)
HSL	hsl(0, 61%, 51%)
HSV	hsv(0, 74%, 81%)
CMYK	cmyk(0%, 73.9%, 73.9%, 18.8%)
CIE-LAB	lab(47.20, 59.16, 36.63)
CIE-LCH	lch(47.20, 69.58, 31.77°)
OKLab	oklab(56.77% 0.1713 0.0823)
OKLCH	oklch(56.77% 0.19 25.7)
XYZ	xyz(27.7203, 16.1744, 5.1517)
Luminance	0.1617 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3636 #36CFCF

analogous

#CF3682 #CF3636 #CF8236

triadic

#CF3636 #36CF36 #3636CF

tetradic

#CF3636 #82CF36 #36CFCF #8236CF

square

#CF3636 #82CF36 #36CFCF #8236CF

split-complementary

#CF3636 #36CF82 #3682CF

monochromatic

#701B1B #A12727 #CF3636 #DB6767 #E79999

Accessibility & contrast

On white

4.96

#CF3636 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#CF3636 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3636

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3636	#FFFFFF	#000000	##FFFFFF
##CF3636	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B34

Deuteranopia (green-blind)

#8A7C30

Tritanopia (blue-blind)

#E40038

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cf3636;
/* rgb */ color: rgb(207, 54, 54);
/* oklch */ color: oklch(56.8% 0.190 25.7);

Tailwind

colors: {
  custom: {
    50: '#e7796d',
    500: '#cf3636',
    950: '#000000',
  },
}

SCSS

$custom: #cf3636;
$custom-light: #e7796d;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3636",
  "rgb": {
    "r": 207,
    "g": 54,
    "b": 54
  },
  "hsl": {
    "h": 0,
    "s": 61.446,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56768,
    "c": 0.19008,
    "h": 25.7
  },
  "luminance": 0.1617
}

Semantic roles & 50–950 ramp

primary

#CF3636

secondary

#8FD2D2

accent

#E5E543

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A07

muted

#867C7A

Preview Lab

Preview with #CF3636

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

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