#CF3F3B#CF3F3B

#CF3F3B is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.7% C 0.182 H 26.2°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#CF3F3B
RGB	rgb(207, 63, 59)
HSL	hsl(2, 61%, 52%)
HSV	hsv(2, 71%, 81%)
CMYK	cmyk(0%, 69.6%, 71.5%, 18.8%)
CIE-LAB	lab(48.44, 56.14, 35.18)
CIE-LCH	lch(48.44, 66.25, 32.07°)
OKLab	oklab(57.71% 0.1628 0.0802)
OKLCH	oklch(57.71% 0.182 26.2)
XYZ	xyz(28.3022, 17.1404, 5.9550)
Luminance	0.1714 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3F3B #3BCBCF

analogous

#CF3B81 #CF3F3B #CF893B

triadic

#CF3F3B #3BCF3F #3F3BCF

tetradic

#CF3F3B #81CF3B #3BCBCF #893BCF

square

#CF3F3B #81CF3B #3BCBCF #893BCF

split-complementary

#CF3F3B #3BCF89 #3B81CF

monochromatic

#731F1C #A52C28 #CF3F3B #DB6F6C #E79F9D

Accessibility & contrast

On white

4.74

#CF3F3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#CF3F3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3F3B

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3F3B	#FFFFFF	#000000	##FFFFFF
##CF3F3B	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685F39

Deuteranopia (green-blind)

#8C7E36

Tritanopia (blue-blind)

#E30C40

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cf3f3b;
/* rgb */ color: rgb(207, 63, 59);
/* oklch */ color: oklch(57.7% 0.182 26.2);

Tailwind

colors: {
  custom: {
    50: '#e67d71',
    500: '#cf3f3b',
    950: '#000000',
  },
}

SCSS

$custom: #cf3f3b;
$custom-light: #e67d71;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3f3b",
  "rgb": {
    "r": 207,
    "g": 63,
    "b": 59
  },
  "hsl": {
    "h": 1.622,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57709,
    "c": 0.18153,
    "h": 26.2
  },
  "luminance": 0.17136
}

Semantic roles & 50–950 ramp

primary

#CF3F3B

secondary

#93D1D3

accent

#DFE444

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CF3F3B

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

Preview Lab → · Contrast checker → · Palette generator →