#CC403F#CC403F

#CC403F is a mid, vivid red. Relative luminance 0.169; OKLCH L 57.4% C 0.177 H 25.0°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#CC403F
RGB	rgb(204, 64, 63)
HSL	hsl(0, 58%, 52%)
HSV	hsv(0, 69%, 80%)
CMYK	cmyk(0%, 68.6%, 69.1%, 20%)
CIE-LAB	lab(48.09, 54.98, 32.33)
CIE-LCH	lch(48.09, 63.78, 30.46°)
OKLab	oklab(57.37% 0.1604 0.0748)
OKLCH	oklch(57.37% 0.177 25)
XYZ	xyz(27.6354, 16.8671, 6.5022)
Luminance	0.1686 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC403F #3FCBCC

analogous

#CC3F84 #CC403F #CC873F

triadic

#CC403F #3FCC40 #403FCC

tetradic

#CC403F #84CC3F #3FCBCC #873FCC

square

#CC403F #84CC3F #3FCBCC #873FCC

split-complementary

#CC403F #3FCC87 #3F84CC

monochromatic

#721F1E #A32C2B #CC403F #D9706F #E6A0A0

Accessibility & contrast

On white

4.80

#CC403F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#CC403F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC403F

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC403F	#FFFFFF	#000000	##FFFFFF
##CC403F	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675F3E

Deuteranopia (green-blind)

#8A7D3B

Tritanopia (blue-blind)

#E01541

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cc403f;
/* rgb */ color: rgb(204, 64, 63);
/* oklch */ color: oklch(57.4% 0.177 25.0);

Tailwind

colors: {
  custom: {
    50: '#e37d74',
    500: '#cc403f',
    950: '#000000',
  },
}

SCSS

$custom: #cc403f;
$custom-light: #e37d74;
$custom-dark: #000000;

JSON

{
  "hex": "#cc403f",
  "rgb": {
    "r": 204,
    "g": 64,
    "b": 63
  },
  "hsl": {
    "h": 0.426,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.5737,
    "c": 0.17696,
    "h": 25
  },
  "luminance": 0.16863
}

Semantic roles & 50–950 ramp

primary

#CC403F

secondary

#95D2D2

accent

#E0E147

background

#FFF8F7

surface

#FEEFED

border

#D6CAC8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CC403F

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

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