#CC403A#CC403A

#CC403A is a mid, vivid red. Relative luminance 0.168; OKLCH L 57.3% C 0.178 H 26.8°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#CC403A
RGB	rgb(204, 64, 58)
HSL	hsl(2, 59%, 51%)
HSV	hsv(2, 72%, 80%)
CMYK	cmyk(0%, 68.6%, 71.6%, 20%)
CIE-LAB	lab(48.02, 54.74, 35.14)
CIE-LCH	lch(48.02, 65.05, 32.70°)
OKLab	oklab(57.3% 0.1586 0.0801)
OKLCH	oklch(57.3% 0.178 26.8)
XYZ	xyz(27.5020, 16.8137, 5.7994)
Luminance	0.1681 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC403A #3AC6CC

analogous

#CC3A7D #CC403A #CC893A

triadic

#CC403A #3ACC40 #403ACC

tetradic

#CC403A #7DCC3A #3AC6CC #893ACC

square

#CC403A #7DCC3A #3AC6CC #893ACC

split-complementary

#CC403A #3ACC89 #3A7DCC

monochromatic

#6F201D #A02E29 #CC403A #D96F6B #E59E9B

Accessibility & contrast

On white

4.81

#CC403A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#CC403A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC403A

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC403A	#FFFFFF	#000000	##FFFFFF
##CC403A	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685F38

Deuteranopia (green-blind)

#8B7D35

Tritanopia (blue-blind)

#E01340

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cc403a;
/* rgb */ color: rgb(204, 64, 58);
/* oklch */ color: oklch(57.3% 0.178 26.8);

Tailwind

colors: {
  custom: {
    50: '#e47d70',
    500: '#cc403a',
    950: '#000000',
  },
}

SCSS

$custom: #cc403a;
$custom-light: #e47d70;
$custom-dark: #000000;

JSON

{
  "hex": "#cc403a",
  "rgb": {
    "r": 204,
    "g": 64,
    "b": 58
  },
  "hsl": {
    "h": 2.466,
    "s": 58.871,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57298,
    "c": 0.17766,
    "h": 26.8
  },
  "luminance": 0.1681
}

Semantic roles & 50–950 ramp

primary

#CC403A

secondary

#91CED1

accent

#DCE246

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC403A

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

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