#CA3749#CA3749

#CA3749 is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.3% C 0.183 H 18.8°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#CA3749
RGB	rgb(202, 55, 73)
HSL	hsl(353, 58%, 50%)
HSV	hsv(353, 73%, 79%)
CMYK	cmyk(0%, 72.8%, 63.9%, 20.8%)
CIE-LAB	lab(46.68, 58.24, 24.55)
CIE-LCH	lch(46.68, 63.20, 22.85°)
OKLab	oklab(56.3% 0.173 0.0588)
OKLCH	oklch(56.3% 0.183 18.8)
XYZ	xyz(26.9287, 15.7739, 7.9288)
Luminance	0.1577 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3749 #37CAB8

analogous

#CA3792 #CA3749 #CA6E37

triadic

#CA3749 #49CA37 #3749CA

tetradic

#CA3749 #92CA37 #37CAB8 #6E37CA

square

#CA3749 #92CA37 #37CAB8 #6E37CA

split-complementary

#CA3749 #37CA6E #3792CA

monochromatic

#6A1C26 #9B2937 #CA3749 #D76775 #E498A1

Accessibility & contrast

On white

5.06

#CA3749 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#CA3749 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3749

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3749	#FFFFFF	#000000	##FFFFFF
##CA3749	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)

#605B49

Deuteranopia (green-blind)

#857A45

Tritanopia (blue-blind)

#DD003F

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #ca3749;
/* rgb */ color: rgb(202, 55, 73);
/* oklch */ color: oklch(56.3% 0.183 18.8);

Tailwind

colors: {
  custom: {
    50: '#e2797b',
    500: '#ca3749',
    950: '#000000',
  },
}

SCSS

$custom: #ca3749;
$custom-light: #e2797b;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3749",
  "rgb": {
    "r": 202,
    "g": 55,
    "b": 73
  },
  "hsl": {
    "h": 352.653,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56299,
    "c": 0.18271,
    "h": 18.8
  },
  "luminance": 0.1577
}

Semantic roles & 50–950 ramp

primary

#CA3749

secondary

#8ECFC7

accent

#E1CE46

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A09

muted

#857C7B

Preview Lab

Preview with #CA3749

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

Preview Lab → · Contrast checker → · Palette generator →