#CA3B28#CA3B28

#CA3B28 is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.2% C 0.183 H 30.9°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#CA3B28
RGB	rgb(202, 59, 40)
HSL	hsl(7, 67%, 47%)
HSV	hsv(7, 80%, 79%)
CMYK	cmyk(0%, 70.8%, 80.2%, 20.8%)
CIE-LAB	lab(46.77, 55.30, 43.56)
CIE-LCH	lch(46.77, 70.40, 38.22°)
OKLab	oklab(56.23% 0.157 0.0939)
OKLCH	oklch(56.23% 0.183 30.9)
XYZ	xyz(26.3072, 15.8417, 3.6796)
Luminance	0.1584 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3B28 #28B7CA

analogous

#CA2866 #CA3B28 #CA8C28

triadic

#CA3B28 #28CA3B #3B28CA

tetradic

#CA3B28 #66CA28 #28B7CA #8C28CA

square

#CA3B28 #66CA28 #28B7CA #8C28CA

split-complementary

#CA3B28 #28CA8C #2866CA

monochromatic

#641D14 #972C1E #CA3B28 #DD6352 #E79185

Accessibility & contrast

On white

5.04

#CA3B28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#CA3B28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3B28

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3B28	#FFFFFF	#000000	##FFFFFF
##CA3B28	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665B24

Deuteranopia (green-blind)

#897A21

Tritanopia (blue-blind)

#DF0038

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #ca3b28;
/* rgb */ color: rgb(202, 59, 40);
/* oklch */ color: oklch(56.2% 0.183 30.9);

Tailwind

colors: {
  custom: {
    50: '#e37a64',
    500: '#ca3b28',
    950: '#000000',
  },
}

SCSS

$custom: #ca3b28;
$custom-light: #e37a64;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3b28",
  "rgb": {
    "r": 202,
    "g": 59,
    "b": 40
  },
  "hsl": {
    "h": 7.037,
    "s": 66.942,
    "l": 47.451
  },
  "oklch": {
    "l": 0.56227,
    "c": 0.1829,
    "h": 30.9
  },
  "luminance": 0.15838
}

Semantic roles & 50–950 ramp

primary

#CA3B28

secondary

#7EC6D0

accent

#D6EA3E

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A05

muted

#867C7A

Preview Lab

Preview with #CA3B28

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

Preview Lab → · Contrast checker → · Palette generator →