#CA3933#CA3933

#CA3933 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.1% C 0.183 H 27.2°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#CA3933
RGB	rgb(202, 57, 51)
HSL	hsl(2, 60%, 50%)
HSV	hsv(2, 75%, 79%)
CMYK	cmyk(0%, 71.8%, 74.8%, 20.8%)
CIE-LAB	lab(46.61, 56.43, 37.42)
CIE-LCH	lch(46.61, 67.71, 33.55°)
OKLab	oklab(56.15% 0.1627 0.0837)
OKLCH	oklch(56.15% 0.183 27.2)
XYZ	xyz(26.4208, 15.7259, 4.7755)
Luminance	0.1572 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3933 #33C4CA

analogous

#CA3379 #CA3933 #CA8533

triadic

#CA3933 #33CA39 #3933CA

tetradic

#CA3933 #79CA33 #33C4CA #8533CA

square

#CA3933 #79CA33 #33C4CA #8533CA

split-complementary

#CA3933 #33CA85 #3379CA

monochromatic

#681D1A #992B27 #CA3933 #D86763 #E49794

Accessibility & contrast

On white

5.07

#CA3933 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#CA3933 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3933

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3933	#FFFFFF	#000000	##FFFFFF
##CA3933	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645A31

Deuteranopia (green-blind)

#887A2E

Tritanopia (blue-blind)

#DE0039

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ca3933;
/* rgb */ color: rgb(202, 57, 51);
/* oklch */ color: oklch(56.1% 0.183 27.2);

Tailwind

colors: {
  custom: {
    50: '#e3796b',
    500: '#ca3933',
    950: '#000000',
  },
}

SCSS

$custom: #ca3933;
$custom-light: #e3796b;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3933",
  "rgb": {
    "r": 202,
    "g": 57,
    "b": 51
  },
  "hsl": {
    "h": 2.384,
    "s": 59.684,
    "l": 49.608
  },
  "oklch": {
    "l": 0.56148,
    "c": 0.18295,
    "h": 27.2
  },
  "luminance": 0.15722
}

Semantic roles & 50–950 ramp

primary

#CA3933

secondary

#8ACCCF

accent

#DDE345

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CA3933

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

Preview Lab → · Contrast checker → · Palette generator →