#CC4637#CC4637

#CC4637 is a mid, vivid red. Relative luminance 0.175; OKLCH L 57.9% C 0.172 H 29.6°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#CC4637
RGB	rgb(204, 70, 55)
HSL	hsl(6, 59%, 51%)
HSV	hsv(6, 73%, 80%)
CMYK	cmyk(0%, 65.7%, 73%, 20%)
CIE-LAB	lab(48.88, 52.18, 37.81)
CIE-LCH	lch(48.88, 64.44, 35.93°)
OKLab	oklab(57.93% 0.1499 0.0853)
OKLCH	oklch(57.93% 0.172 29.6)
XYZ	xyz(27.7846, 17.4975, 5.5280)
Luminance	0.1749 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC4637 #37BDCC

analogous

#CC3772 #CC4637 #CC9037

triadic

#CC4637 #37CC46 #4637CC

tetradic

#CC4637 #72CC37 #37BDCC #9037CC

square

#CC4637 #72CC37 #37BDCC #9037CC

split-complementary

#CC4637 #37CC90 #3772CC

monochromatic

#6D241C #9E3428 #CC4637 #D87368 #E5A099

Accessibility & contrast

On white

4.67

#CC4637 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#CC4637 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #CC4637

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC4637	#FFFFFF	#000000	##FFFFFF
##CC4637	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6234

Deuteranopia (green-blind)

#8D7F33

Tritanopia (blue-blind)

#E02143

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #cc4637;
/* rgb */ color: rgb(204, 70, 55);
/* oklch */ color: oklch(57.9% 0.172 29.6);

Tailwind

colors: {
  custom: {
    50: '#e4806f',
    500: '#cc4637',
    950: '#000000',
  },
}

SCSS

$custom: #cc4637;
$custom-light: #e4806f;
$custom-dark: #000000;

JSON

{
  "hex": "#cc4637",
  "rgb": {
    "r": 204,
    "g": 70,
    "b": 55
  },
  "hsl": {
    "h": 6.04,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57928,
    "c": 0.17248,
    "h": 29.6
  },
  "luminance": 0.17494
}

Semantic roles & 50–950 ramp

primary

#CC4637

secondary

#8ECAD0

accent

#D3E345

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CC4637

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

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