#C5312D#C5312D

#C5312D is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.5% C 0.185 H 27.1°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#C5312D
RGB	rgb(197, 49, 45)
HSL	hsl(2, 63%, 47%)
HSV	hsv(2, 77%, 77%)
CMYK	cmyk(0%, 75.1%, 77.2%, 22.7%)
CIE-LAB	lab(44.60, 57.42, 38.34)
CIE-LCH	lch(44.60, 69.05, 33.73°)
OKLab	oklab(54.46% 0.1652 0.0844)
OKLCH	oklch(54.46% 0.185 27.1)
XYZ	xyz(24.6008, 14.2603, 3.9393)
Luminance	0.1426 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5312D #2DC1C5

analogous

#C52D75 #C5312D #C57D2D

triadic

#C5312D #2DC531 #312DC5

tetradic

#C5312D #75C52D #2DC1C5 #7D2DC5

square

#C5312D #75C52D #2DC1C5 #7D2DC5

split-complementary

#C5312D #2DC57D #2D75C5

monochromatic

#611816 #932522 #C5312D #D95A57 #E48B88

Accessibility & contrast

On white

5.45

#C5312D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#C5312D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C5312D

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5312D	#FFFFFF	#000000	##FFFFFF
##C5312D	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)

#5E552B

Deuteranopia (green-blind)

#837527

Tritanopia (blue-blind)

#D90032

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c5312d;
/* rgb */ color: rgb(197, 49, 45);
/* oklch */ color: oklch(54.5% 0.185 27.1);

Tailwind

colors: {
  custom: {
    50: '#e07567',
    500: '#c5312d',
    950: '#000000',
  },
}

SCSS

$custom: #c5312d;
$custom-light: #e07567;
$custom-dark: #000000;

JSON

{
  "hex": "#c5312d",
  "rgb": {
    "r": 197,
    "g": 49,
    "b": 45
  },
  "hsl": {
    "h": 1.579,
    "s": 62.81,
    "l": 47.451
  },
  "oklch": {
    "l": 0.54458,
    "c": 0.18548,
    "h": 27.1
  },
  "luminance": 0.14256
}

Semantic roles & 50–950 ramp

primary

#C5312D

secondary

#80CCCE

accent

#E2E642

background

#FFF7F6

surface

#FEEDEB

border

#D6C8C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C5312D

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

Preview Lab → · Contrast checker → · Palette generator →