#CA3758#CA3758

#CA3758 is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.6% C 0.183 H 12.4°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#CA3758
RGB	rgb(202, 55, 88)
HSL	hsl(347, 58%, 50%)
HSV	hsv(347, 73%, 79%)
CMYK	cmyk(0%, 72.8%, 56.4%, 20.8%)
CIE-LAB	lab(46.97, 59.22, 15.79)
CIE-LCH	lch(46.97, 61.29, 14.93°)
OKLab	oklab(56.61% 0.1788 0.0394)
OKLCH	oklch(56.61% 0.183 12.4)
XYZ	xyz(27.4874, 15.9974, 10.8710)
Luminance	0.1599 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3758 #37CAA9

analogous

#CA37A1 #CA3758 #CA6037

triadic

#CA3758 #58CA37 #3758CA

tetradic

#CA3758 #A1CA37 #37CAA9 #6037CA

square

#CA3758 #A1CA37 #37CAA9 #6037CA

split-complementary

#CA3758 #37CA60 #37A1CA

monochromatic

#6A1C2E #9B2943 #CA3758 #D76780 #E498A9

Accessibility & contrast

On white

5.00

#CA3758 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#CA3758 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3758

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3758	#FFFFFF	#000000	##FFFFFF
##CA3758	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5C58

Deuteranopia (green-blind)

#837A54

Tritanopia (blue-blind)

#DD0C45

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #ca3758;
/* rgb */ color: rgb(202, 55, 88);
/* oklch */ color: oklch(56.6% 0.183 12.4);

Tailwind

colors: {
  custom: {
    50: '#e17986',
    500: '#ca3758',
    950: '#000000',
  },
}

SCSS

$custom: #ca3758;
$custom-light: #e17986;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3758",
  "rgb": {
    "r": 202,
    "g": 55,
    "b": 88
  },
  "hsl": {
    "h": 346.531,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56613,
    "c": 0.18312,
    "h": 12.4
  },
  "luminance": 0.15994
}

Semantic roles & 50–950 ramp

primary

#CA3758

secondary

#8ECFC0

accent

#E1BF46

background

#FEF7F8

surface

#FDEEEF

border

#D5C9CA

text

#170A0B

muted

#857C7C

Preview Lab

Preview with #CA3758

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

Preview Lab → · Contrast checker → · Palette generator →