#CA3F28#CA3F28

#CA3F28 is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.6% C 0.179 H 32.0°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#CA3F28
RGB	rgb(202, 63, 40)
HSL	hsl(9, 67%, 47%)
HSV	hsv(9, 80%, 79%)
CMYK	cmyk(0%, 68.8%, 80.2%, 20.8%)
CIE-LAB	lab(47.33, 53.77, 44.11)
CIE-LCH	lch(47.33, 69.55, 39.36°)
OKLab	oklab(56.65% 0.1522 0.0951)
OKLCH	oklch(56.65% 0.179 32)
XYZ	xyz(26.5207, 16.2688, 3.7508)
Luminance	0.1626 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3F28 #28B3CA

analogous

#CA2862 #CA3F28 #CA9028

triadic

#CA3F28 #28CA3F #3F28CA

tetradic

#CA3F28 #62CA28 #28B3CA #9028CA

square

#CA3F28 #62CA28 #28B3CA #9028CA

split-complementary

#CA3F28 #28CA90 #2862CA

monochromatic

#641F14 #972F1E #CA3F28 #DD6652 #E79385

Accessibility & contrast

On white

4.94

#CA3F28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#CA3F28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3F28

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3F28	#FFFFFF	#000000	##FFFFFF
##CA3F28	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685D24

Deuteranopia (green-blind)

#8A7C22

Tritanopia (blue-blind)

#DE0A3B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #ca3f28;
/* rgb */ color: rgb(202, 63, 40);
/* oklch */ color: oklch(56.6% 0.179 32.0);

Tailwind

colors: {
  custom: {
    50: '#e37c64',
    500: '#ca3f28',
    950: '#000000',
  },
}

SCSS

$custom: #ca3f28;
$custom-light: #e37c64;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3f28",
  "rgb": {
    "r": 202,
    "g": 63,
    "b": 40
  },
  "hsl": {
    "h": 8.519,
    "s": 66.942,
    "l": 47.451
  },
  "oklch": {
    "l": 0.56645,
    "c": 0.17947,
    "h": 32
  },
  "luminance": 0.16265
}

Semantic roles & 50–950 ramp

primary

#CA3F28

secondary

#7EC4D0

accent

#D1EA3E

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#170A05

muted

#857C7A

Preview Lab

Preview with #CA3F28

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

Preview Lab → · Contrast checker → · Palette generator →