#CF3631#CF3631

#CF3631 is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.7% C 0.191 H 27.2°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#CF3631
RGB	rgb(207, 54, 49)
HSL	hsl(2, 62%, 50%)
HSV	hsv(2, 76%, 81%)
CMYK	cmyk(0%, 73.9%, 76.3%, 18.8%)
CIE-LAB	lab(47.14, 58.96, 39.39)
CIE-LCH	lch(47.14, 70.91, 33.75°)
OKLab	oklab(56.71% 0.1697 0.0871)
OKLCH	oklch(56.71% 0.191 27.2)
XYZ	xyz(27.6089, 16.1298, 4.5648)
Luminance	0.1613 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3631 #31CACF

analogous

#CF317B #CF3631 #CF8531

triadic

#CF3631 #31CF36 #3631CF

tetradic

#CF3631 #7BCF31 #31CACF #8531CF

square

#CF3631 #7BCF31 #31CACF #8531CF

split-complementary

#CF3631 #31CF85 #317BCF

monochromatic

#6C1C19 #9E2925 #CF3631 #DB6663 #E69794

Accessibility & contrast

On white

4.97

#CF3631 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#CF3631 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3631

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3631	#FFFFFF	#000000	##FFFFFF
##CF3631	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B2F

Deuteranopia (green-blind)

#8A7C2B

Tritanopia (blue-blind)

#E40037

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cf3631;
/* rgb */ color: rgb(207, 54, 49);
/* oklch */ color: oklch(56.7% 0.191 27.2);

Tailwind

colors: {
  custom: {
    50: '#e7796a',
    500: '#cf3631',
    950: '#000000',
  },
}

SCSS

$custom: #cf3631;
$custom-light: #e7796a;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3631",
  "rgb": {
    "r": 207,
    "g": 54,
    "b": 49
  },
  "hsl": {
    "h": 1.899,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56706,
    "c": 0.19071,
    "h": 27.2
  },
  "luminance": 0.16125
}

Semantic roles & 50–950 ramp

primary

#CF3631

secondary

#8BCFD1

accent

#E0E543

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A06

muted

#867C7A

Preview Lab

Preview with #CF3631

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

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