#CA3748#CA3748

#CA3748 is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.3% C 0.183 H 19.2°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#CA3748
RGB	rgb(202, 55, 72)
HSL	hsl(353, 58%, 50%)
HSV	hsv(353, 73%, 79%)
CMYK	cmyk(0%, 72.8%, 64.4%, 20.8%)
CIE-LAB	lab(46.66, 58.18, 25.13)
CIE-LCH	lch(46.66, 63.37, 23.36°)
OKLab	oklab(56.28% 0.1726 0.06)
OKLCH	oklch(56.28% 0.183 19.2)
XYZ	xyz(26.8958, 15.7608, 7.7555)
Luminance	0.1576 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3748 #37CAB9

analogous

#CA3792 #CA3748 #CA6F37

triadic

#CA3748 #48CA37 #3748CA

tetradic

#CA3748 #92CA37 #37CAB9 #6F37CA

square

#CA3748 #92CA37 #37CAB9 #6F37CA

split-complementary

#CA3748 #37CA6F #3792CA

monochromatic

#6A1C25 #9B2936 #CA3748 #D76774 #E498A1

Accessibility & contrast

On white

5.06

#CA3748 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#CA3748 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3748

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3748	#FFFFFF	#000000	##FFFFFF
##CA3748	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)

#605B48

Deuteranopia (green-blind)

#857A44

Tritanopia (blue-blind)

#DE003E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #ca3748;
/* rgb */ color: rgb(202, 55, 72);
/* oklch */ color: oklch(56.3% 0.183 19.2);

Tailwind

colors: {
  custom: {
    50: '#e2797a',
    500: '#ca3748',
    950: '#000000',
  },
}

SCSS

$custom: #ca3748;
$custom-light: #e2797a;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3748",
  "rgb": {
    "r": 202,
    "g": 55,
    "b": 72
  },
  "hsl": {
    "h": 353.061,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.5628,
    "c": 0.18274,
    "h": 19.2
  },
  "luminance": 0.15757
}

Semantic roles & 50–950 ramp

primary

#CA3748

secondary

#8ECFC8

accent

#E1CF46

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A09

muted

#857C7B

Preview Lab

Preview with #CA3748

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

Preview Lab → · Contrast checker → · Palette generator →