#CC4237#CC4237

#CC4237 is a mid, vivid red. Relative luminance 0.170; OKLCH L 57.5% C 0.176 H 28.4°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#CC4237
RGB	rgb(204, 66, 55)
HSL	hsl(4, 59%, 51%)
HSV	hsv(4, 73%, 80%)
CMYK	cmyk(0%, 67.6%, 73%, 20%)
CIE-LAB	lab(48.28, 53.81, 37.13)
CIE-LCH	lch(48.28, 65.38, 34.60°)
OKLab	oklab(57.48% 0.1551 0.0838)
OKLCH	oklch(57.48% 0.176 28.4)
XYZ	xyz(27.5427, 17.0137, 5.4474)
Luminance	0.1701 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC4237 #37C1CC

analogous

#CC3776 #CC4237 #CC8D37

triadic

#CC4237 #37CC42 #4237CC

tetradic

#CC4237 #76CC37 #37C1CC #8D37CC

square

#CC4237 #76CC37 #37C1CC #8D37CC

split-complementary

#CC4237 #37CC8D #3776CC

monochromatic

#6D221C #9E3128 #CC4237 #D87068 #E59E99

Accessibility & contrast

On white

4.77

#CC4237 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#CC4237 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC4237

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC4237	#FFFFFF	#000000	##FFFFFF
##CC4237	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696035

Deuteranopia (green-blind)

#8B7E32

Tritanopia (blue-blind)

#E01841

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cc4237;
/* rgb */ color: rgb(204, 66, 55);
/* oklch */ color: oklch(57.5% 0.176 28.4);

Tailwind

colors: {
  custom: {
    50: '#e47e6e',
    500: '#cc4237',
    950: '#000000',
  },
}

SCSS

$custom: #cc4237;
$custom-light: #e47e6e;
$custom-dark: #000000;

JSON

{
  "hex": "#cc4237",
  "rgb": {
    "r": 204,
    "g": 66,
    "b": 55
  },
  "hsl": {
    "h": 4.43,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57475,
    "c": 0.17625,
    "h": 28.4
  },
  "luminance": 0.1701
}

Semantic roles & 50–950 ramp

primary

#CC4237

secondary

#8ECCD0

accent

#D7E345

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC4237

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

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