#CF4040#CF4040

#CF4040 is a mid, vivid red. Relative luminance 0.173; OKLCH L 57.9% C 0.180 H 24.7°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#CF4040
RGB	rgb(207, 64, 64)
HSL	hsl(0, 60%, 53%)
HSV	hsv(0, 69%, 81%)
CMYK	cmyk(0%, 69.1%, 69.1%, 18.8%)
CIE-LAB	lab(48.64, 56.00, 32.54)
CIE-LCH	lch(48.64, 64.77, 30.16°)
OKLab	oklab(57.89% 0.1634 0.0753)
OKLCH	oklch(57.89% 0.18 24.7)
XYZ	xyz(28.4940, 17.3065, 6.6896)
Luminance	0.1730 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF4040 #40CFCF

analogous

#CF4087 #CF4040 #CF8740

triadic

#CF4040 #40CF40 #4040CF

tetradic

#CF4040 #87CF40 #40CFCF #8740CF

square

#CF4040 #87CF40 #40CFCF #8740CF

split-complementary

#CF4040 #40CF87 #4087CF

monochromatic

#771E1E #A82A2A #CF4040 #DB7171 #E8A2A2

Accessibility & contrast

On white

4.71

#CF4040 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#CF4040 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF4040

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF4040	#FFFFFF	#000000	##FFFFFF
##CF4040	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68603F

Deuteranopia (green-blind)

#8C7F3C

Tritanopia (blue-blind)

#E31342

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cf4040;
/* rgb */ color: rgb(207, 64, 64);
/* oklch */ color: oklch(57.9% 0.180 24.7);

Tailwind

colors: {
  custom: {
    50: '#e67e75',
    500: '#cf4040',
    950: '#000000',
  },
}

SCSS

$custom: #cf4040;
$custom-light: #e67e75;
$custom-dark: #000000;

JSON

{
  "hex": "#cf4040",
  "rgb": {
    "r": 207,
    "g": 64,
    "b": 64
  },
  "hsl": {
    "h": 0,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.57886,
    "c": 0.17994,
    "h": 24.7
  },
  "luminance": 0.17302
}

Semantic roles & 50–950 ramp

primary

#CF4040

secondary

#97D4D4

accent

#E3E345

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CF4040

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

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