#CA3747#CA3747

#CA3747 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.3% C 0.183 H 19.6°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#CA3747
RGB	rgb(202, 55, 71)
HSL	hsl(353, 58%, 50%)
HSV	hsv(353, 73%, 79%)
CMYK	cmyk(0%, 72.8%, 64.9%, 20.8%)
CIE-LAB	lab(46.64, 58.12, 25.71)
CIE-LCH	lch(46.64, 63.55, 23.86°)
OKLab	oklab(56.26% 0.1722 0.0612)
OKLCH	oklch(56.26% 0.183 19.6)
XYZ	xyz(26.8635, 15.7478, 7.5851)
Luminance	0.1574 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3747 #37CABA

analogous

#CA3791 #CA3747 #CA7037

triadic

#CA3747 #47CA37 #3747CA

tetradic

#CA3747 #91CA37 #37CABA #7037CA

square

#CA3747 #91CA37 #37CABA #7037CA

split-complementary

#CA3747 #37CA70 #3791CA

monochromatic

#6A1C25 #9B2935 #CA3747 #D76774 #E498A0

Accessibility & contrast

On white

5.06

#CA3747 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#CA3747 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3747

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3747	#FFFFFF	#000000	##FFFFFF
##CA3747	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)

#605B47

Deuteranopia (green-blind)

#857A43

Tritanopia (blue-blind)

#DE003E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ca3747;
/* rgb */ color: rgb(202, 55, 71);
/* oklch */ color: oklch(56.3% 0.183 19.6);

Tailwind

colors: {
  custom: {
    50: '#e2797a',
    500: '#ca3747',
    950: '#000000',
  },
}

SCSS

$custom: #ca3747;
$custom-light: #e2797a;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3747",
  "rgb": {
    "r": 202,
    "g": 55,
    "b": 71
  },
  "hsl": {
    "h": 353.469,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56262,
    "c": 0.18278,
    "h": 19.6
  },
  "luminance": 0.15744
}

Semantic roles & 50–950 ramp

primary

#CA3747

secondary

#8ECFC8

accent

#E1D046

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A09

muted

#857C7B

Preview Lab

Preview with #CA3747

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

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