#CC4037#CC4037

#CC4037 is a mid, vivid red. Relative luminance 0.168; OKLCH L 57.3% C 0.178 H 27.8°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#CC4037
RGB	rgb(204, 64, 55)
HSL	hsl(4, 59%, 51%)
HSV	hsv(4, 73%, 80%)
CMYK	cmyk(0%, 68.6%, 73%, 20%)
CIE-LAB	lab(47.99, 54.61, 36.80)
CIE-LCH	lch(47.99, 65.85, 33.98°)
OKLab	oklab(57.26% 0.1575 0.0831)
OKLCH	oklch(57.26% 0.178 27.8)
XYZ	xyz(27.4279, 16.7841, 5.4091)
Luminance	0.1678 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC4037 #37C3CC

analogous

#CC3778 #CC4037 #CC8A37

triadic

#CC4037 #37CC40 #4037CC

tetradic

#CC4037 #78CC37 #37C3CC #8A37CC

square

#CC4037 #78CC37 #37C3CC #8A37CC

split-complementary

#CC4037 #37CC8A #3778CC

monochromatic

#6D211C #9E2F28 #CC4037 #D86F68 #E59D99

Accessibility & contrast

On white

4.82

#CC4037 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#CC4037 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC4037

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC4037	#FFFFFF	#000000	##FFFFFF
##CC4037	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685F35

Deuteranopia (green-blind)

#8B7D32

Tritanopia (blue-blind)

#E0123F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cc4037;
/* rgb */ color: rgb(204, 64, 55);
/* oklch */ color: oklch(57.3% 0.178 27.8);

Tailwind

colors: {
  custom: {
    50: '#e47d6e',
    500: '#cc4037',
    950: '#000000',
  },
}

SCSS

$custom: #cc4037;
$custom-light: #e47d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#cc4037",
  "rgb": {
    "r": 204,
    "g": 64,
    "b": 55
  },
  "hsl": {
    "h": 3.624,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57257,
    "c": 0.17811,
    "h": 27.8
  },
  "luminance": 0.1678
}

Semantic roles & 50–950 ramp

primary

#CC4037

secondary

#8ECCD0

accent

#D9E345

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC4037

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

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