#CC312B#CC312B

#CC312B is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.7% C 0.193 H 27.7°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#CC312B
RGB	rgb(204, 49, 43)
HSL	hsl(2, 65%, 48%)
HSV	hsv(2, 79%, 80%)
CMYK	cmyk(0%, 76%, 78.9%, 20%)
CIE-LAB	lab(45.92, 59.48, 41.24)
CIE-LCH	lch(45.92, 72.38, 34.74°)
OKLab	oklab(55.68% 0.1704 0.0896)
OKLCH	oklch(55.68% 0.193 27.7)
XYZ	xyz(26.4394, 15.2126, 3.8292)
Luminance	0.1521 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC312B #2BC6CC

analogous

#CC2B75 #CC312B #CC812B

triadic

#CC312B #2BCC31 #312BCC

tetradic

#CC312B #75CC2B #2BC6CC #812BCC

square

#CC312B #75CC2B #2BC6CC #812BCC

split-complementary

#CC312B #2BCC81 #2B75CC

monochromatic

#671916 #992520 #CC312B #DC5D58 #E78E8B

Accessibility & contrast

On white

5.20

#CC312B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#CC312B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC312B

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC312B	#FFFFFF	#000000	##FFFFFF
##CC312B	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615728

Deuteranopia (green-blind)

#877924

Tritanopia (blue-blind)

#E10032

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #cc312b;
/* rgb */ color: rgb(204, 49, 43);
/* oklch */ color: oklch(55.7% 0.193 27.7);

Tailwind

colors: {
  custom: {
    50: '#e57665',
    500: '#cc312b',
    950: '#000000',
  },
}

SCSS

$custom: #cc312b;
$custom-light: #e57665;
$custom-dark: #000000;

JSON

{
  "hex": "#cc312b",
  "rgb": {
    "r": 204,
    "g": 49,
    "b": 43
  },
  "hsl": {
    "h": 2.236,
    "s": 65.182,
    "l": 48.431
  },
  "oklch": {
    "l": 0.55675,
    "c": 0.19253,
    "h": 27.7
  },
  "luminance": 0.15208
}

Semantic roles & 50–950 ramp

primary

#CC312B

secondary

#82CED0

accent

#E2E840

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180906

muted

#867B7A

Preview Lab

Preview with #CC312B

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

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