#CF3F3F#CF3F3F

#CF3F3F is a mid, vivid red. Relative luminance 0.172; OKLCH L 57.8% C 0.181 H 24.8°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#CF3F3F
RGB	rgb(207, 63, 63)
HSL	hsl(0, 60%, 53%)
HSV	hsv(0, 70%, 81%)
CMYK	cmyk(0%, 69.6%, 69.6%, 18.8%)
CIE-LAB	lab(48.49, 56.33, 32.93)
CIE-LCH	lch(48.49, 65.25, 30.31°)
OKLab	oklab(57.77% 0.1643 0.076)
OKLCH	oklch(57.77% 0.181 24.8)
XYZ	xyz(28.4099, 17.1835, 6.5225)
Luminance	0.1718 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3F3F #3FCFCF

analogous

#CF3F87 #CF3F3F #CF873F

triadic

#CF3F3F #3FCF3F #3F3FCF

tetradic

#CF3F3F #87CF3F #3FCFCF #873FCF

square

#CF3F3F #87CF3F #3FCFCF #873FCF

split-complementary

#CF3F3F #3FCF87 #3F87CF

monochromatic

#761E1E #A72A2A #CF3F3F #DB7070 #E7A1A1

Accessibility & contrast

On white

4.73

#CF3F3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#CF3F3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3F3F

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3F3F	#FFFFFF	#000000	##FFFFFF
##CF3F3F	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)

#685F3E

Deuteranopia (green-blind)

#8C7F3A

Tritanopia (blue-blind)

#E30F41

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cf3f3f;
/* rgb */ color: rgb(207, 63, 63);
/* oklch */ color: oklch(57.8% 0.181 24.8);

Tailwind

colors: {
  custom: {
    50: '#e67d74',
    500: '#cf3f3f',
    950: '#000000',
  },
}

SCSS

$custom: #cf3f3f;
$custom-light: #e67d74;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3f3f",
  "rgb": {
    "r": 207,
    "g": 63,
    "b": 63
  },
  "hsl": {
    "h": 0,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57767,
    "c": 0.181,
    "h": 24.8
  },
  "luminance": 0.17179
}

Semantic roles & 50–950 ramp

primary

#CF3F3F

secondary

#96D4D4

accent

#E3E345

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CF3F3F

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

Preview Lab → · Contrast checker → · Palette generator →