#C5312F#C5312F

#C5312F is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.5% C 0.185 H 26.5°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#C5312F
RGB	rgb(197, 49, 47)
HSL	hsl(1, 61%, 48%)
HSV	hsv(1, 76%, 77%)
CMYK	cmyk(0%, 75.1%, 76.1%, 22.7%)
CIE-LAB	lab(44.63, 57.50, 37.24)
CIE-LCH	lch(44.63, 68.50, 32.93°)
OKLab	oklab(54.48% 0.1658 0.0826)
OKLCH	oklch(54.48% 0.185 26.5)
XYZ	xyz(24.6403, 14.2760, 4.1469)
Luminance	0.1427 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5312F #2FC3C5

analogous

#C52F78 #C5312F #C57C2F

triadic

#C5312F #2FC531 #312FC5

tetradic

#C5312F #78C52F #2FC3C5 #7C2FC5

square

#C5312F #78C52F #2FC3C5 #7C2FC5

split-complementary

#C5312F #2FC57C #2F78C5

monochromatic

#621817 #942523 #C5312F #D85B5A #E38C8B

Accessibility & contrast

On white

5.45

#C5312F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#C5312F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C5312F

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5312F	#FFFFFF	#000000	##FFFFFF
##C5312F	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)

#5E552D

Deuteranopia (green-blind)

#827529

Tritanopia (blue-blind)

#D90033

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c5312f;
/* rgb */ color: rgb(197, 49, 47);
/* oklch */ color: oklch(54.5% 0.185 26.5);

Tailwind

colors: {
  custom: {
    50: '#e07568',
    500: '#c5312f',
    950: '#000000',
  },
}

SCSS

$custom: #c5312f;
$custom-light: #e07568;
$custom-dark: #000000;

JSON

{
  "hex": "#c5312f",
  "rgb": {
    "r": 197,
    "g": 49,
    "b": 47
  },
  "hsl": {
    "h": 0.8,
    "s": 61.475,
    "l": 47.843
  },
  "oklch": {
    "l": 0.54482,
    "c": 0.18523,
    "h": 26.5
  },
  "luminance": 0.14272
}

Semantic roles & 50–950 ramp

primary

#C5312F

secondary

#82CCCD

accent

#E2E543

background

#FFF7F6

surface

#FEEDEB

border

#D6C8C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C5312F

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

Preview Lab → · Contrast checker → · Palette generator →