#CA3D37#CA3D37

#CA3D37 is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.6% C 0.179 H 27.0°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#CA3D37
RGB	rgb(202, 61, 55)
HSL	hsl(2, 58%, 50%)
HSV	hsv(2, 73%, 79%)
CMYK	cmyk(0%, 69.8%, 72.8%, 20.8%)
CIE-LAB	lab(47.20, 55.12, 35.81)
CIE-LCH	lch(47.20, 65.73, 33.01°)
OKLab	oklab(56.6% 0.1594 0.0811)
OKLCH	oklch(56.6% 0.179 27)
XYZ	xyz(26.7184, 16.1739, 5.3287)
Luminance	0.1617 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3D37 #37C4CA

analogous

#CA377A #CA3D37 #CA8637

triadic

#CA3D37 #37CA3D #3D37CA

tetradic

#CA3D37 #7ACA37 #37C4CA #8637CA

square

#CA3D37 #7ACA37 #37C4CA #8637CA

split-complementary

#CA3D37 #37CA86 #377ACA

monochromatic

#6A1F1C #9B2E29 #CA3D37 #D76C67 #E49B98

Accessibility & contrast

On white

4.96

#CA3D37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#CA3D37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3D37

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3D37	#FFFFFF	#000000	##FFFFFF
##CA3D37	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C35

Deuteranopia (green-blind)

#897B32

Tritanopia (blue-blind)

#DE093D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #ca3d37;
/* rgb */ color: rgb(202, 61, 55);
/* oklch */ color: oklch(56.6% 0.179 27.0);

Tailwind

colors: {
  custom: {
    50: '#e37b6e',
    500: '#ca3d37',
    950: '#000000',
  },
}

SCSS

$custom: #ca3d37;
$custom-light: #e37b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3d37",
  "rgb": {
    "r": 202,
    "g": 61,
    "b": 55
  },
  "hsl": {
    "h": 2.449,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56604,
    "c": 0.17881,
    "h": 27
  },
  "luminance": 0.1617
}

Semantic roles & 50–950 ramp

primary

#CA3D37

secondary

#8ECDCF

accent

#DBE146

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CA3D37

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

Preview Lab → · Contrast checker → · Palette generator →