#CA312F#CA312F

#CA312F is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.4% C 0.190 H 26.6°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#CA312F
RGB	rgb(202, 49, 47)
HSL	hsl(1, 62%, 49%)
HSV	hsv(1, 77%, 79%)
CMYK	cmyk(0%, 75.7%, 76.7%, 20.8%)
CIE-LAB	lab(45.58, 59.01, 38.55)
CIE-LCH	lch(45.58, 70.49, 33.16°)
OKLab	oklab(55.37% 0.17 0.0851)
OKLCH	oklch(55.37% 0.19 26.6)
XYZ	xyz(25.9716, 14.9625, 4.2093)
Luminance	0.1496 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA312F #2FC8CA

analogous

#CA2F7B #CA312F #CA7F2F

triadic

#CA312F #2FCA31 #312FCA

tetradic

#CA312F #7BCA2F #2FC8CA #7F2FCA

square

#CA312F #7BCA2F #2FC8CA #7F2FCA

split-complementary

#CA312F #2FCA7F #2F7BCA

monochromatic

#671918 #982523 #CA312F #D95F5D #E5908F

Accessibility & contrast

On white

5.26

#CA312F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#CA312F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA312F

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA312F	#FFFFFF	#000000	##FFFFFF
##CA312F	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60572D

Deuteranopia (green-blind)

#867829

Tritanopia (blue-blind)

#DE0033

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #ca312f;
/* rgb */ color: rgb(202, 49, 47);
/* oklch */ color: oklch(55.4% 0.190 26.6);

Tailwind

colors: {
  custom: {
    50: '#e37668',
    500: '#ca312f',
    950: '#000000',
  },
}

SCSS

$custom: #ca312f;
$custom-light: #e37668;
$custom-dark: #000000;

JSON

{
  "hex": "#ca312f",
  "rgb": {
    "r": 202,
    "g": 49,
    "b": 47
  },
  "hsl": {
    "h": 0.774,
    "s": 62.249,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55366,
    "c": 0.19009,
    "h": 26.6
  },
  "luminance": 0.14958
}

Semantic roles & 50–950 ramp

primary

#CA312F

secondary

#86CECF

accent

#E3E542

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #CA312F

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

Preview Lab → · Contrast checker → · Palette generator →