#CA3F42#CA3F42

#CA3F42 is a mid, vivid red. Relative luminance 0.165; OKLCH L 57.0% C 0.176 H 23.5°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#CA3F42
RGB	rgb(202, 63, 66)
HSL	hsl(359, 57%, 52%)
HSV	hsv(359, 69%, 79%)
CMYK	cmyk(0%, 68.8%, 67.3%, 20.8%)
CIE-LAB	lab(47.64, 54.88, 29.93)
CIE-LCH	lch(47.64, 62.52, 28.61°)
OKLab	oklab(56.98% 0.1609 0.0701)
OKLCH	oklch(56.98% 0.176 23.5)
XYZ	xyz(27.1209, 16.5088, 6.9116)
Luminance	0.1651 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3F42 #3FCAC7

analogous

#CA3F88 #CA3F42 #CA823F

triadic

#CA3F42 #42CA3F #3F42CA

tetradic

#CA3F42 #88CA3F #3FCAC7 #823FCA

square

#CA3F42 #88CA3F #3FCAC7 #823FCA

split-complementary

#CA3F42 #3FCA82 #3F88CA

monochromatic

#701F21 #A02C2F #CA3F42 #D76F71 #E49FA0

Accessibility & contrast

On white

4.88

#CA3F42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#CA3F42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3F42

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3F42	#FFFFFF	#000000	##FFFFFF
##CA3F42	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655E41

Deuteranopia (green-blind)

#887C3E

Tritanopia (blue-blind)

#DE1642

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #ca3f42;
/* rgb */ color: rgb(202, 63, 66);
/* oklch */ color: oklch(57.0% 0.176 23.5);

Tailwind

colors: {
  custom: {
    50: '#e27d76',
    500: '#ca3f42',
    950: '#000000',
  },
}

SCSS

$custom: #ca3f42;
$custom-light: #e27d76;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3f42",
  "rgb": {
    "r": 202,
    "g": 63,
    "b": 66
  },
  "hsl": {
    "h": 358.705,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.56976,
    "c": 0.17551,
    "h": 23.5
  },
  "luminance": 0.16505
}

Semantic roles & 50–950 ramp

primary

#CA3F42

secondary

#94D1D0

accent

#E0DD48

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CA3F42

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

Preview Lab → · Contrast checker → · Palette generator →