#CA3D28#CA3D28

#CA3D28 is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.4% C 0.181 H 31.4°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#CA3D28
RGB	rgb(202, 61, 40)
HSL	hsl(8, 67%, 47%)
HSV	hsv(8, 80%, 79%)
CMYK	cmyk(0%, 69.8%, 80.2%, 20.8%)
CIE-LAB	lab(47.04, 54.55, 43.83)
CIE-LCH	lch(47.04, 69.97, 38.78°)
OKLab	oklab(56.43% 0.1546 0.0945)
OKLCH	oklch(56.43% 0.181 31.4)
XYZ	xyz(26.4120, 16.0513, 3.7146)
Luminance	0.1605 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3D28 #28B5CA

analogous

#CA2864 #CA3D28 #CA8E28

triadic

#CA3D28 #28CA3D #3D28CA

tetradic

#CA3D28 #64CA28 #28B5CA #8E28CA

square

#CA3D28 #64CA28 #28B5CA #8E28CA

split-complementary

#CA3D28 #28CA8E #2864CA

monochromatic

#641E14 #972E1E #CA3D28 #DD6452 #E79285

Accessibility & contrast

On white

4.99

#CA3D28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#CA3D28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3D28

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3D28	#FFFFFF	#000000	##FFFFFF
##CA3D28	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675C24

Deuteranopia (green-blind)

#8A7B21

Tritanopia (blue-blind)

#DE0139

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #ca3d28;
/* rgb */ color: rgb(202, 61, 40);
/* oklch */ color: oklch(56.4% 0.181 31.4);

Tailwind

colors: {
  custom: {
    50: '#e37b64',
    500: '#ca3d28',
    950: '#000000',
  },
}

SCSS

$custom: #ca3d28;
$custom-light: #e37b64;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3d28",
  "rgb": {
    "r": 202,
    "g": 61,
    "b": 40
  },
  "hsl": {
    "h": 7.778,
    "s": 66.942,
    "l": 47.451
  },
  "oklch": {
    "l": 0.56433,
    "c": 0.1812,
    "h": 31.4
  },
  "luminance": 0.16047
}

Semantic roles & 50–950 ramp

primary

#CA3D28

secondary

#7EC5D0

accent

#D4EA3E

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#170A05

muted

#857C7A

Preview Lab

Preview with #CA3D28

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

Preview Lab → · Contrast checker → · Palette generator →