#CA4C37#CA4C37

#CA4C37 is a mid, vivid red. Relative luminance 0.180; OKLCH L 58.3% C 0.165 H 31.8°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#CA4C37
RGB	rgb(202, 76, 55)
HSL	hsl(9, 58%, 50%)
HSV	hsv(9, 73%, 79%)
CMYK	cmyk(0%, 62.4%, 72.8%, 20.8%)
CIE-LAB	lab(49.50, 48.90, 38.41)
CIE-LCH	lch(49.50, 62.18, 38.15°)
OKLab	oklab(58.33% 0.1399 0.0867)
OKLCH	oklch(58.33% 0.165 31.8)
XYZ	xyz(27.6341, 18.0051, 5.6339)
Luminance	0.1800 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA4C37 #37B5CA

analogous

#CA376C #CA4C37 #CA9537

triadic

#CA4C37 #37CA4C #4C37CA

tetradic

#CA4C37 #6CCA37 #37B5CA #9537CA

square

#CA4C37 #6CCA37 #37B5CA #9537CA

split-complementary

#CA4C37 #37CA95 #376CCA

monochromatic

#6A271C #9B3929 #CA4C37 #D77767 #E4A398

Accessibility & contrast

On white

4.57

#CA4C37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#CA4C37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CA4C37

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA4C37	#FFFFFF	#000000	##000000
##CA4C37	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6434

Deuteranopia (green-blind)

#8E8033

Tritanopia (blue-blind)

#DE2D48

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #ca4c37;
/* rgb */ color: rgb(202, 76, 55);
/* oklch */ color: oklch(58.3% 0.165 31.8);

Tailwind

colors: {
  custom: {
    50: '#e2836f',
    500: '#ca4c37',
    950: '#000000',
  },
}

SCSS

$custom: #ca4c37;
$custom-light: #e2836f;
$custom-dark: #000000;

JSON

{
  "hex": "#ca4c37",
  "rgb": {
    "r": 202,
    "g": 76,
    "b": 55
  },
  "hsl": {
    "h": 8.571,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.5833,
    "c": 0.16459,
    "h": 31.8
  },
  "luminance": 0.18001
}

Semantic roles & 50–950 ramp

primary

#CA4C37

secondary

#8EC6CF

accent

#CBE146

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CA4C37

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

Preview Lab → · Contrast checker → · Palette generator →