#CA453B#CA453B

#CA453B is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.5% C 0.171 H 27.9°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#CA453B
RGB	rgb(202, 69, 59)
HSL	hsl(4, 57%, 51%)
HSV	hsv(4, 71%, 79%)
CMYK	cmyk(0%, 65.8%, 70.8%, 20.8%)
CIE-LAB	lab(48.43, 52.11, 34.94)
CIE-LCH	lch(48.43, 62.74, 33.85°)
OKLab	oklab(57.54% 0.1507 0.0799)
OKLCH	oklch(57.54% 0.171 27.9)
XYZ	xyz(27.2776, 17.1325, 6.0074)
Luminance	0.1713 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA453B #3BC0CA

analogous

#CA3B78 #CA453B #CA8C3B

triadic

#CA453B #3BCA45 #453BCA

tetradic

#CA453B #78CA3B #3BC0CA #8C3BCA

square

#CA453B #78CA3B #3BC0CA #8C3BCA

split-complementary

#CA453B #3BCA8C #3B78CA

monochromatic

#6D231E #9D332B #CA453B #D7736B #E4A09B

Accessibility & contrast

On white

4.74

#CA453B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#CA453B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA453B

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA453B	#FFFFFF	#000000	##FFFFFF
##CA453B	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6139

Deuteranopia (green-blind)

#8B7E37

Tritanopia (blue-blind)

#DE2144

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #ca453b;
/* rgb */ color: rgb(202, 69, 59);
/* oklch */ color: oklch(57.5% 0.171 27.9);

Tailwind

colors: {
  custom: {
    50: '#e28071',
    500: '#ca453b',
    950: '#000000',
  },
}

SCSS

$custom: #ca453b;
$custom-light: #e28071;
$custom-dark: #000000;

JSON

{
  "hex": "#ca453b",
  "rgb": {
    "r": 202,
    "g": 69,
    "b": 59
  },
  "hsl": {
    "h": 4.196,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57537,
    "c": 0.17062,
    "h": 27.9
  },
  "luminance": 0.17129
}

Semantic roles & 50–950 ramp

primary

#CA453B

secondary

#91CCD0

accent

#D6E147

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B08

muted

#857C7B

Preview Lab

Preview with #CA453B

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

Preview Lab → · Contrast checker → · Palette generator →