#CF3930#CF3930

#CF3930 is a mid, vivid red. Relative luminance 0.164; OKLCH L 57.0% C 0.188 H 28.2°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#CF3930
RGB	rgb(207, 57, 48)
HSL	hsl(3, 62%, 50%)
HSV	hsv(3, 77%, 81%)
CMYK	cmyk(0%, 72.5%, 76.8%, 18.8%)
CIE-LAB	lab(47.51, 57.89, 40.33)
CIE-LCH	lch(47.51, 70.56, 34.86°)
OKLab	oklab(56.97% 0.1661 0.0889)
OKLCH	oklch(56.97% 0.188 28.2)
XYZ	xyz(27.7320, 16.4093, 4.5028)
Luminance	0.1641 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3930 #30C6CF

analogous

#CF3077 #CF3930 #CF8830

triadic

#CF3930 #30CF39 #3930CF

tetradic

#CF3930 #77CF30 #30C6CF #8830CF

square

#CF3930 #77CF30 #30C6CF #8830CF

split-complementary

#CF3930 #30CF88 #3077CF

monochromatic

#6C1E19 #9D2B24 #CF3930 #DB6962 #E69893

Accessibility & contrast

On white

4.91

#CF3930 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#CF3930 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3930

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3930	#FFFFFF	#000000	##FFFFFF
##CF3930	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)

#665C2D

Deuteranopia (green-blind)

#8B7D2A

Tritanopia (blue-blind)

#E40038

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cf3930;
/* rgb */ color: rgb(207, 57, 48);
/* oklch */ color: oklch(57.0% 0.188 28.2);

Tailwind

colors: {
  custom: {
    50: '#e77a69',
    500: '#cf3930',
    950: '#000000',
  },
}

SCSS

$custom: #cf3930;
$custom-light: #e77a69;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3930",
  "rgb": {
    "r": 207,
    "g": 57,
    "b": 48
  },
  "hsl": {
    "h": 3.396,
    "s": 62.353,
    "l": 50
  },
  "oklch": {
    "l": 0.56974,
    "c": 0.18836,
    "h": 28.2
  },
  "luminance": 0.16405
}

Semantic roles & 50–950 ramp

primary

#CF3930

secondary

#8ACDD1

accent

#DCE542

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A06

muted

#867C7A

Preview Lab

Preview with #CF3930

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

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