#C5312C#C5312C

#C5312C is a mid, vivid red. Relative luminance 0.142; OKLCH L 54.4% C 0.186 H 27.4°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#C5312C
RGB	rgb(197, 49, 44)
HSL	hsl(2, 63%, 47%)
HSV	hsv(2, 78%, 77%)
CMYK	cmyk(0%, 75.1%, 77.7%, 22.7%)
CIE-LAB	lab(44.59, 57.39, 38.89)
CIE-LCH	lch(44.59, 69.32, 34.12°)
OKLab	oklab(54.45% 0.1648 0.0853)
OKLCH	oklch(54.45% 0.186 27.4)
XYZ	xyz(24.5818, 14.2527, 3.8391)
Luminance	0.1425 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5312C #2CC0C5

analogous

#C52C73 #C5312C #C57E2C

triadic

#C5312C #2CC531 #312CC5

tetradic

#C5312C #73C52C #2CC0C5 #7E2CC5

square

#C5312C #73C52C #2CC0C5 #7E2CC5

split-complementary

#C5312C #2CC57E #2C73C5

monochromatic

#611816 #932521 #C5312C #D95955 #E48A87

Accessibility & contrast

On white

5.45

#C5312C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#C5312C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C5312C

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5312C	#FFFFFF	#000000	##FFFFFF
##C5312C	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552A

Deuteranopia (green-blind)

#837526

Tritanopia (blue-blind)

#D90032

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c5312c;
/* rgb */ color: rgb(197, 49, 44);
/* oklch */ color: oklch(54.4% 0.186 27.4);

Tailwind

colors: {
  custom: {
    50: '#e07566',
    500: '#c5312c',
    950: '#000000',
  },
}

SCSS

$custom: #c5312c;
$custom-light: #e07566;
$custom-dark: #000000;

JSON

{
  "hex": "#c5312c",
  "rgb": {
    "r": 197,
    "g": 49,
    "b": 44
  },
  "hsl": {
    "h": 1.961,
    "s": 63.485,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54447,
    "c": 0.18561,
    "h": 27.4
  },
  "luminance": 0.14249
}

Semantic roles & 50–950 ramp

primary

#C5312C

secondary

#7FCBCE

accent

#E1E741

background

#FFF7F6

surface

#FEEDEB

border

#D6C8C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C5312C

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

Preview Lab → · Contrast checker → · Palette generator →