#CA3B15#CA3B15

#CA3B15 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.1% C 0.186 H 34.7°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#CA3B15
RGB	rgb(202, 59, 21)
HSL	hsl(13, 81%, 44%)
HSV	hsv(13, 90%, 79%)
CMYK	cmyk(0%, 70.8%, 89.6%, 20.8%)
CIE-LAB	lab(46.64, 54.84, 52.10)
CIE-LCH	lch(46.64, 75.65, 43.53°)
OKLab	oklab(56.09% 0.1526 0.1058)
OKLCH	oklch(56.09% 0.186 34.7)
XYZ	xyz(26.0596, 15.7427, 2.3758)
Luminance	0.1574 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3B15 #15A4CA

analogous

#CA1549 #CA3B15 #CA9515

triadic

#CA3B15 #15CA3B #3B15CA

tetradic

#CA3B15 #49CA15 #15A4CA #9515CA

square

#CA3B15 #49CA15 #15A4CA #9515CA

split-complementary

#CA3B15 #15CA95 #1549CA

monochromatic

#5B1B09 #932B0F #CA3B15 #EA5932 #EF866A

Accessibility & contrast

On white

5.06

#CA3B15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#CA3B15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3B15

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3B15	#FFFFFF	#000000	##FFFFFF
##CA3B15	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675A0B

Deuteranopia (green-blind)

#8A7A07

Tritanopia (blue-blind)

#DF0035

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ca3b15;
/* rgb */ color: rgb(202, 59, 21);
/* oklch */ color: oklch(56.1% 0.186 34.7);

Tailwind

colors: {
  custom: {
    50: '#e47a59',
    500: '#ca3b15',
    950: '#000000',
  },
}

SCSS

$custom: #ca3b15;
$custom-light: #e47a59;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3b15",
  "rgb": {
    "r": 202,
    "g": 59,
    "b": 21
  },
  "hsl": {
    "h": 12.597,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56087,
    "c": 0.18567,
    "h": 34.7
  },
  "luminance": 0.15739
}

Semantic roles & 50–950 ramp

primary

#CA3B15

secondary

#66BED5

accent

#CEF830

background

#FFF7F5

surface

#FFEEE9

border

#D7C9C5

text

#180A04

muted

#867C79

Preview Lab

Preview with #CA3B15

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

Preview Lab → · Contrast checker → · Palette generator →