#CA3741#CA3741

#CA3741 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.2% C 0.183 H 21.9°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#CA3741
RGB	rgb(202, 55, 65)
HSL	hsl(356, 58%, 50%)
HSV	hsv(356, 73%, 79%)
CMYK	cmyk(0%, 72.8%, 67.8%, 20.8%)
CIE-LAB	lab(46.54, 57.79, 29.19)
CIE-LCH	lch(46.54, 64.75, 26.80°)
OKLab	oklab(56.16% 0.17 0.0683)
OKLCH	oklch(56.16% 0.183 21.9)
XYZ	xyz(26.6804, 15.6746, 6.6206)
Luminance	0.1567 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3741 #37CAC0

analogous

#CA378B #CA3741 #CA7637

triadic

#CA3741 #41CA37 #3741CA

tetradic

#CA3741 #8BCA37 #37CAC0 #7637CA

square

#CA3741 #8BCA37 #37CAC0 #7637CA

split-complementary

#CA3741 #37CA76 #378BCA

monochromatic

#6A1C22 #9B2931 #CA3741 #D7676F #E4989D

Accessibility & contrast

On white

5.08

#CA3741 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#CA3741 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3741

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3741	#FFFFFF	#000000	##FFFFFF
##CA3741	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615A40

Deuteranopia (green-blind)

#867A3C

Tritanopia (blue-blind)

#DE003C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ca3741;
/* rgb */ color: rgb(202, 55, 65);
/* oklch */ color: oklch(56.2% 0.183 21.9);

Tailwind

colors: {
  custom: {
    50: '#e27975',
    500: '#ca3741',
    950: '#000000',
  },
}

SCSS

$custom: #ca3741;
$custom-light: #e27975;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3741",
  "rgb": {
    "r": 202,
    "g": 55,
    "b": 65
  },
  "hsl": {
    "h": 355.918,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56158,
    "c": 0.18314,
    "h": 21.9
  },
  "luminance": 0.15671
}

Semantic roles & 50–950 ramp

primary

#CA3741

secondary

#8ECFCB

accent

#E1D746

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CA3741

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

Preview Lab → · Contrast checker → · Palette generator →