#CA4528#CA4528

#CA4528 is a mid, vivid red. Relative luminance 0.170; OKLCH L 57.3% C 0.174 H 33.8°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#CA4528
RGB	rgb(202, 69, 40)
HSL	hsl(11, 67%, 47%)
HSV	hsv(11, 80%, 79%)
CMYK	cmyk(0%, 65.8%, 80.2%, 20.8%)
CIE-LAB	lab(48.22, 51.34, 44.98)
CIE-LCH	lch(48.22, 68.26, 41.22°)
OKLab	oklab(57.32% 0.1447 0.097)
OKLCH	oklch(57.32% 0.174 33.8)
XYZ	xyz(26.8713, 16.9700, 3.8677)
Luminance	0.1697 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA4528 #28ADCA

analogous

#CA285C #CA4528 #CA9628

triadic

#CA4528 #28CA45 #4528CA

tetradic

#CA4528 #5CCA28 #28ADCA #9628CA

square

#CA4528 #5CCA28 #28ADCA #9628CA

split-complementary

#CA4528 #28CA96 #285CCA

monochromatic

#642214 #97341E #CA4528 #DD6B52 #E79785

Accessibility & contrast

On white

4.78

#CA4528 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#CA4528 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA4528

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA4528	#FFFFFF	#000000	##FFFFFF
##CA4528	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B6023

Deuteranopia (green-blind)

#8C7D22

Tritanopia (blue-blind)

#DE1D3F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #ca4528;
/* rgb */ color: rgb(202, 69, 40);
/* oklch */ color: oklch(57.3% 0.174 33.8);

Tailwind

colors: {
  custom: {
    50: '#e37f64',
    500: '#ca4528',
    950: '#000000',
  },
}

SCSS

$custom: #ca4528;
$custom-light: #e37f64;
$custom-dark: #000000;

JSON

{
  "hex": "#ca4528",
  "rgb": {
    "r": 202,
    "g": 69,
    "b": 40
  },
  "hsl": {
    "h": 10.741,
    "s": 66.942,
    "l": 47.451
  },
  "oklch": {
    "l": 0.57319,
    "c": 0.17418,
    "h": 33.8
  },
  "luminance": 0.16966
}

Semantic roles & 50–950 ramp

primary

#CA4528

secondary

#7EC1D0

accent

#CBEA3E

background

#FFF8F6

surface

#FEEFEB

border

#D6CAC6

text

#170B05

muted

#857C7A

Preview Lab

Preview with #CA4528

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

Preview Lab → · Contrast checker → · Palette generator →