#CA3C21#CA3C21

#CA3C21 is a mid, vivid red. Relative luminance 0.159; OKLCH L 56.3% C 0.183 H 32.8°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#CA3C21
RGB	rgb(202, 60, 33)
HSL	hsl(10, 72%, 46%)
HSV	hsv(10, 84%, 79%)
CMYK	cmyk(0%, 70.3%, 83.7%, 20.8%)
CIE-LAB	lab(46.85, 54.73, 47.12)
CIE-LCH	lch(46.85, 72.21, 40.73°)
OKLab	oklab(56.27% 0.1539 0.0993)
OKLCH	oklch(56.27% 0.183 32.8)
XYZ	xyz(26.2506, 15.9021, 3.1258)
Luminance	0.1590 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3C21 #21AFCA

analogous

#CA215A #CA3C21 #CA9021

triadic

#CA3C21 #21CA3C #3C21CA

tetradic

#CA3C21 #5ACA21 #21AFCA #9021CA

square

#CA3C21 #5ACA21 #21AFCA #9021CA

split-complementary

#CA3C21 #21CA90 #215ACA

monochromatic

#611D10 #952C18 #CA3C21 #E16047 #EA8D7C

Accessibility & contrast

On white

5.02

#CA3C21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#CA3C21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3C21

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3C21	#FFFFFF	#000000	##FFFFFF
##CA3C21	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675B1C

Deuteranopia (green-blind)

#8A7B19

Tritanopia (blue-blind)

#DF0037

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #ca3c21;
/* rgb */ color: rgb(202, 60, 33);
/* oklch */ color: oklch(56.3% 0.183 32.8);

Tailwind

colors: {
  custom: {
    50: '#e47a5f',
    500: '#ca3c21',
    950: '#000000',
  },
}

SCSS

$custom: #ca3c21;
$custom-light: #e47a5f;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3c21",
  "rgb": {
    "r": 202,
    "g": 60,
    "b": 33
  },
  "hsl": {
    "h": 9.586,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.56268,
    "c": 0.18317,
    "h": 32.8
  },
  "luminance": 0.15898
}

Semantic roles & 50–950 ramp

primary

#CA3C21

secondary

#75C3D2

accent

#D2EF39

background

#FFF7F5

surface

#FFEEE9

border

#D7C9C5

text

#180A05

muted

#867C79

Preview Lab

Preview with #CA3C21

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

Preview Lab → · Contrast checker → · Palette generator →