#CC4138#CC4138

#CC4138 is a mid, vivid red. Relative luminance 0.169; OKLCH L 57.4% C 0.177 H 27.8°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#CC4138
RGB	rgb(204, 65, 56)
HSL	hsl(4, 59%, 51%)
HSV	hsv(4, 73%, 80%)
CMYK	cmyk(0%, 68.1%, 72.5%, 20%)
CIE-LAB	lab(48.14, 54.26, 36.41)
CIE-LCH	lch(48.14, 65.34, 33.87°)
OKLab	oklab(57.38% 0.1566 0.0825)
OKLCH	oklch(57.38% 0.177 27.8)
XYZ	xyz(27.5090, 16.9075, 5.5556)
Luminance	0.1690 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC4138 #38C3CC

analogous

#CC3879 #CC4138 #CC8B38

triadic

#CC4138 #38CC41 #4138CC

tetradic

#CC4138 #79CC38 #38C3CC #8B38CC

square

#CC4138 #79CC38 #38C3CC #8B38CC

split-complementary

#CC4138 #38CC8B #3879CC

monochromatic

#6E211C #9E3029 #CC4138 #D87069 #E59E99

Accessibility & contrast

On white

4.79

#CC4138 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#CC4138 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC4138

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC4138	#FFFFFF	#000000	##FFFFFF
##CC4138	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685F36

Deuteranopia (green-blind)

#8B7D33

Tritanopia (blue-blind)

#E01540

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cc4138;
/* rgb */ color: rgb(204, 65, 56);
/* oklch */ color: oklch(57.4% 0.177 27.8);

Tailwind

colors: {
  custom: {
    50: '#e47e6f',
    500: '#cc4138',
    950: '#000000',
  },
}

SCSS

$custom: #cc4138;
$custom-light: #e47e6f;
$custom-dark: #000000;

JSON

{
  "hex": "#cc4138",
  "rgb": {
    "r": 204,
    "g": 65,
    "b": 56
  },
  "hsl": {
    "h": 3.649,
    "s": 59.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.57379,
    "c": 0.17702,
    "h": 27.8
  },
  "luminance": 0.16903
}

Semantic roles & 50–950 ramp

primary

#CC4138

secondary

#8FCDD1

accent

#D9E245

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC4138

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

Preview Lab → · Contrast checker → · Palette generator →