#CF3F40#CF3F40

#CF3F40 is a mid, vivid red. Relative luminance 0.172; OKLCH L 57.8% C 0.181 H 24.5°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#CF3F40
RGB	rgb(207, 63, 64)
HSL	hsl(360, 60%, 53%)
HSV	hsv(360, 70%, 81%)
CMYK	cmyk(0%, 69.6%, 69.1%, 18.8%)
CIE-LAB	lab(48.50, 56.38, 32.37)
CIE-LCH	lch(48.50, 65.01, 29.86°)
OKLab	oklab(57.78% 0.1646 0.0749)
OKLCH	oklch(57.78% 0.181 24.5)
XYZ	xyz(28.4381, 17.1948, 6.6710)
Luminance	0.1719 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3F40 #3FCFCE

analogous

#CF3F88 #CF3F40 #CF863F

triadic

#CF3F40 #40CF3F #3F40CF

tetradic

#CF3F40 #88CF3F #3FCFCE #863FCF

square

#CF3F40 #88CF3F #3FCFCE #863FCF

split-complementary

#CF3F40 #3FCF86 #3F88CF

monochromatic

#761E1E #A72A2B #CF3F40 #DB7071 #E7A1A1

Accessibility & contrast

On white

4.73

#CF3F40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#CF3F40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3F40

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3F40	#FFFFFF	#000000	##FFFFFF
##CF3F40	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675F3F

Deuteranopia (green-blind)

#8C7F3B

Tritanopia (blue-blind)

#E30F41

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cf3f40;
/* rgb */ color: rgb(207, 63, 64);
/* oklch */ color: oklch(57.8% 0.181 24.5);

Tailwind

colors: {
  custom: {
    50: '#e67d75',
    500: '#cf3f40',
    950: '#000000',
  },
}

SCSS

$custom: #cf3f40;
$custom-light: #e67d75;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3f40",
  "rgb": {
    "r": 207,
    "g": 63,
    "b": 64
  },
  "hsl": {
    "h": 359.583,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57782,
    "c": 0.18089,
    "h": 24.5
  },
  "luminance": 0.17191
}

Semantic roles & 50–950 ramp

primary

#CF3F40

secondary

#96D4D4

accent

#E3E245

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CF3F40

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

Preview Lab → · Contrast checker → · Palette generator →