#CF3F3A#CF3F3A

#CF3F3A is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.7% C 0.182 H 26.6°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#CF3F3A
RGB	rgb(207, 63, 58)
HSL	hsl(2, 61%, 52%)
HSV	hsv(2, 72%, 81%)
CMYK	cmyk(0%, 69.6%, 72%, 18.8%)
CIE-LAB	lab(48.42, 56.10, 35.74)
CIE-LCH	lch(48.42, 66.51, 32.50°)
OKLab	oklab(57.7% 0.1625 0.0812)
OKLCH	oklch(57.7% 0.182 26.6)
XYZ	xyz(28.2765, 17.1301, 5.8197)
Luminance	0.1713 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3F3A #3ACACF

analogous

#CF3A80 #CF3F3A #CF893A

triadic

#CF3F3A #3ACF3F #3F3ACF

tetradic

#CF3F3A #80CF3A #3ACACF #893ACF

square

#CF3F3A #80CF3A #3ACACF #893ACF

split-complementary

#CF3F3A #3ACF89 #3A80CF

monochromatic

#731F1C #A42C28 #CF3F3A #DB6F6B #E79F9C

Accessibility & contrast

On white

4.75

#CF3F3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#CF3F3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3F3A

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3F3A	#FFFFFF	#000000	##FFFFFF
##CF3F3A	1.00	4.75	4.43	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685F38

Deuteranopia (green-blind)

#8C7E35

Tritanopia (blue-blind)

#E40C3F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cf3f3a;
/* rgb */ color: rgb(207, 63, 58);
/* oklch */ color: oklch(57.7% 0.182 26.6);

Tailwind

colors: {
  custom: {
    50: '#e67d70',
    500: '#cf3f3a',
    950: '#000000',
  },
}

SCSS

$custom: #cf3f3a;
$custom-light: #e67d70;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3f3a",
  "rgb": {
    "r": 207,
    "g": 63,
    "b": 58
  },
  "hsl": {
    "h": 2.013,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57696,
    "c": 0.18167,
    "h": 26.6
  },
  "luminance": 0.17126
}

Semantic roles & 50–950 ramp

primary

#CF3F3A

secondary

#92D1D3

accent

#DFE444

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CF3F3A

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

Preview Lab → · Contrast checker → · Palette generator →