#CA3756#CA3756

#CA3756 is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.6% C 0.183 H 13.3°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#CA3756
RGB	rgb(202, 55, 86)
HSL	hsl(347, 58%, 50%)
HSV	hsv(347, 73%, 79%)
CMYK	cmyk(0%, 72.8%, 57.4%, 20.8%)
CIE-LAB	lab(46.93, 59.08, 16.95)
CIE-LCH	lch(46.93, 61.46, 16.01°)
OKLab	oklab(56.57% 0.1781 0.0421)
OKLCH	oklch(56.57% 0.183 13.3)
XYZ	xyz(27.4057, 15.9647, 10.4407)
Luminance	0.1596 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3756 #37CAAB

analogous

#CA379F #CA3756 #CA6137

triadic

#CA3756 #56CA37 #3756CA

tetradic

#CA3756 #9FCA37 #37CAAB #6137CA

square

#CA3756 #9FCA37 #37CAAB #6137CA

split-complementary

#CA3756 #37CA61 #379FCA

monochromatic

#6A1C2D #9B2941 #CA3756 #D7677F #E498A8

Accessibility & contrast

On white

5.01

#CA3756 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#CA3756 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3756

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3756	#FFFFFF	#000000	##FFFFFF
##CA3756	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5C56

Deuteranopia (green-blind)

#837A52

Tritanopia (blue-blind)

#DD0A44

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #ca3756;
/* rgb */ color: rgb(202, 55, 86);
/* oklch */ color: oklch(56.6% 0.183 13.3);

Tailwind

colors: {
  custom: {
    50: '#e17985',
    500: '#ca3756',
    950: '#000000',
  },
}

SCSS

$custom: #ca3756;
$custom-light: #e17985;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3756",
  "rgb": {
    "r": 202,
    "g": 55,
    "b": 86
  },
  "hsl": {
    "h": 347.347,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56567,
    "c": 0.18296,
    "h": 13.3
  },
  "luminance": 0.15961
}

Semantic roles & 50–950 ramp

primary

#CA3756

secondary

#8ECFC1

accent

#E1C146

background

#FEF7F8

surface

#FDEEEF

border

#D5C9CA

text

#170A0B

muted

#857C7C

Preview Lab

Preview with #CA3756

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

Preview Lab → · Contrast checker → · Palette generator →