#C4312A#C4312A

#C4312A is a mid, vivid red. Relative luminance 0.141; OKLCH L 54.2% C 0.185 H 27.9°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#C4312A
RGB	rgb(196, 49, 42)
HSL	hsl(3, 65%, 47%)
HSV	hsv(3, 79%, 77%)
CMYK	cmyk(0%, 75%, 78.6%, 23.1%)
CIE-LAB	lab(44.38, 57.01, 39.71)
CIE-LCH	lch(44.38, 69.48, 34.86°)
OKLab	oklab(54.25% 0.1634 0.0866)
OKLCH	oklch(54.25% 0.185 27.9)
XYZ	xyz(24.2841, 14.1034, 3.6336)
Luminance	0.1410 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4312A #2ABDC4

analogous

#C42A70 #C4312A #C47E2A

triadic

#C4312A #2AC431 #312AC4

tetradic

#C4312A #70C42A #2ABDC4 #7E2AC4

square

#C4312A #70C42A #2ABDC4 #7E2AC4

split-complementary

#C4312A #2AC47E #2A70C4

monochromatic

#5F1814 #92241F #C4312A #DA5851 #E58884

Accessibility & contrast

On white

5.50

#C4312A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#C4312A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C4312A

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4312A	#FFFFFF	#000000	##FFFFFF
##C4312A	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5427

Deuteranopia (green-blind)

#827524

Tritanopia (blue-blind)

#D80031

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c4312a;
/* rgb */ color: rgb(196, 49, 42);
/* oklch */ color: oklch(54.2% 0.185 27.9);

Tailwind

colors: {
  custom: {
    50: '#df7565',
    500: '#c4312a',
    950: '#000000',
  },
}

SCSS

$custom: #c4312a;
$custom-light: #df7565;
$custom-dark: #000000;

JSON

{
  "hex": "#c4312a",
  "rgb": {
    "r": 196,
    "g": 49,
    "b": 42
  },
  "hsl": {
    "h": 2.727,
    "s": 64.706,
    "l": 46.667
  },
  "oklch": {
    "l": 0.54248,
    "c": 0.1849,
    "h": 27.9
  },
  "luminance": 0.141
}

Semantic roles & 50–950 ramp

primary

#C4312A

secondary

#7CCACE

accent

#E0E840

background

#FFF7F6

surface

#FEEDEB

border

#D6C8C6

text

#170905

muted

#857B7A

Preview Lab

Preview with #C4312A

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

Preview Lab → · Contrast checker → · Palette generator →