#CF3757#CF3757

#CF3757 is a mid, vivid red. Relative luminance 0.167; OKLCH L 57.4% C 0.188 H 13.6°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#CF3757
RGB	rgb(207, 55, 87)
HSL	hsl(347, 61%, 51%)
HSV	hsv(347, 73%, 81%)
CMYK	cmyk(0%, 73.4%, 58%, 18.8%)
CIE-LAB	lab(47.87, 60.63, 17.77)
CIE-LCH	lch(47.87, 63.18, 16.33°)
OKLab	oklab(57.44% 0.1826 0.044)
OKLCH	oklch(57.44% 0.188 13.6)
XYZ	xyz(28.8214, 16.6900, 10.7188)
Luminance	0.1669 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF3757 #37CFAF

analogous

#CF37A3 #CF3757 #CF6337

triadic

#CF3757 #57CF37 #3757CF

tetradic

#CF3757 #A3CF37 #37CFAF #6337CF

square

#CF3757 #A3CF37 #37CFAF #6337CF

split-complementary

#CF3757 #37CF63 #37A3CF

monochromatic

#711B2D #A22741 #CF3757 #DB6880 #E79AAA

Accessibility & contrast

On white

4.84

#CF3757 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#CF3757 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF3757

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF3757	#FFFFFF	#000000	##FFFFFF
##CF3757	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605E57

Deuteranopia (green-blind)

#877D53

Tritanopia (blue-blind)

#E20244

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cf3757;
/* rgb */ color: rgb(207, 55, 87);
/* oklch */ color: oklch(57.4% 0.188 13.6);

Tailwind

colors: {
  custom: {
    50: '#e57a86',
    500: '#cf3757',
    950: '#000000',
  },
}

SCSS

$custom: #cf3757;
$custom-light: #e57a86;
$custom-dark: #000000;

JSON

{
  "hex": "#cf3757",
  "rgb": {
    "r": 207,
    "g": 55,
    "b": 87
  },
  "hsl": {
    "h": 347.368,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57437,
    "c": 0.18781,
    "h": 13.6
  },
  "luminance": 0.16686
}

Semantic roles & 50–950 ramp

primary

#CF3757

secondary

#8FD2C4

accent

#E4C343

background

#FFF7F8

surface

#FEEEEF

border

#D6C9CA

text

#170A0B

muted

#857C7C

Preview Lab

Preview with #CF3757

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

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