#CF3838#CF3838

#CF3838 is a mid, vivid red. Relative luminance 0.164; OKLCH L 57.0% C 0.188 H 25.5°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#CF3838
RGB	rgb(207, 56, 56)
HSL	hsl(0, 61%, 52%)
HSV	hsv(0, 73%, 81%)
CMYK	cmyk(0%, 72.9%, 72.9%, 18.8%)
CIE-LAB	lab(47.47, 58.56, 35.79)
CIE-LCH	lch(47.47, 68.63, 31.44°)
OKLab	oklab(56.98% 0.1698 0.0809)
OKLCH	oklch(56.98% 0.188 25.5)
XYZ	xyz(27.8633, 16.3835, 5.4358)
Luminance	0.1638 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3838 #38CFCF

analogous

#CF3884 #CF3838 #CF8438

triadic

#CF3838 #38CF38 #3838CF

tetradic

#CF3838 #84CF38 #38CFCF #8438CF

square

#CF3838 #84CF38 #38CFCF #8438CF

split-complementary

#CF3838 #38CF84 #3884CF

monochromatic

#711B1B #A32727 #CF3838 #DB6969 #E79B9B

Accessibility & contrast

On white

4.91

#CF3838 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#CF3838 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3838

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3838	#FFFFFF	#000000	##FFFFFF
##CF3838	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C36

Deuteranopia (green-blind)

#8A7C33

Tritanopia (blue-blind)

#E4003A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cf3838;
/* rgb */ color: rgb(207, 56, 56);
/* oklch */ color: oklch(57.0% 0.188 25.5);

Tailwind

colors: {
  custom: {
    50: '#e67a6f',
    500: '#cf3838',
    950: '#000000',
  },
}

SCSS

$custom: #cf3838;
$custom-light: #e67a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3838",
  "rgb": {
    "r": 207,
    "g": 56,
    "b": 56
  },
  "hsl": {
    "h": 0,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56978,
    "c": 0.18814,
    "h": 25.5
  },
  "luminance": 0.16379
}

Semantic roles & 50–950 ramp

primary

#CF3838

secondary

#90D3D3

accent

#E4E444

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #CF3838

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

Preview Lab → · Contrast checker → · Palette generator →