#CF3839#CF3839

#CF3839 is a mid, vivid red. Relative luminance 0.164; OKLCH L 57.0% C 0.188 H 25.2°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#CF3839
RGB	rgb(207, 56, 57)
HSL	hsl(360, 61%, 52%)
HSV	hsv(360, 73%, 81%)
CMYK	cmyk(0%, 72.9%, 72.5%, 18.8%)
CIE-LAB	lab(47.49, 58.60, 35.23)
CIE-LCH	lch(47.49, 68.38, 31.02°)
OKLab	oklab(56.99% 0.1702 0.0799)
OKLCH	oklch(56.99% 0.188 25.2)
XYZ	xyz(27.8880, 16.3934, 5.5659)
Luminance	0.1639 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3839 #38CFCE

analogous

#CF3885 #CF3839 #CF8338

triadic

#CF3839 #39CF38 #3839CF

tetradic

#CF3839 #85CF38 #38CFCE #8338CF

square

#CF3839 #85CF38 #38CFCE #8338CF

split-complementary

#CF3839 #38CF83 #3885CF

monochromatic

#711B1C #A32728 #CF3839 #DB696A #E79B9B

Accessibility & contrast

On white

4.91

#CF3839 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#CF3839 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3839

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3839	#FFFFFF	#000000	##FFFFFF
##CF3839	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)

#645C37

Deuteranopia (green-blind)

#8A7C34

Tritanopia (blue-blind)

#E4003A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cf3839;
/* rgb */ color: rgb(207, 56, 57);
/* oklch */ color: oklch(57.0% 0.188 25.2);

Tailwind

colors: {
  custom: {
    50: '#e67a70',
    500: '#cf3839',
    950: '#000000',
  },
}

SCSS

$custom: #cf3839;
$custom-light: #e67a70;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3839",
  "rgb": {
    "r": 207,
    "g": 56,
    "b": 57
  },
  "hsl": {
    "h": 359.603,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56992,
    "c": 0.18803,
    "h": 25.2
  },
  "luminance": 0.16389
}

Semantic roles & 50–950 ramp

primary

#CF3839

secondary

#90D3D2

accent

#E4E344

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #CF3839

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

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