#CA4539#CA4539

#CA4539 is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.5% C 0.171 H 28.7°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#CA4539
RGB	rgb(202, 69, 57)
HSL	hsl(5, 58%, 51%)
HSV	hsv(5, 72%, 79%)
CMYK	cmyk(0%, 65.8%, 71.8%, 20.8%)
CIE-LAB	lab(48.40, 52.01, 36.05)
CIE-LCH	lch(48.40, 63.28, 34.72°)
OKLab	oklab(57.51% 0.15 0.082)
OKLCH	oklch(57.51% 0.171 28.7)
XYZ	xyz(27.2267, 17.1121, 5.7394)
Luminance	0.1711 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA4539 #39BECA

analogous

#CA3975 #CA4539 #CA8E39

triadic

#CA4539 #39CA45 #4539CA

tetradic

#CA4539 #75CA39 #39BECA #8E39CA

square

#CA4539 #75CA39 #39BECA #8E39CA

split-complementary

#CA4539 #39CA8E #3975CA

monochromatic

#6C231D #9C332A #CA4539 #D77269 #E4A09A

Accessibility & contrast

On white

4.75

#CA4539 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#CA4539 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA4539

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA4539	#FFFFFF	#000000	##FFFFFF
##CA4539	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6137

Deuteranopia (green-blind)

#8B7E35

Tritanopia (blue-blind)

#DE2143

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #ca4539;
/* rgb */ color: rgb(202, 69, 57);
/* oklch */ color: oklch(57.5% 0.171 28.7);

Tailwind

colors: {
  custom: {
    50: '#e27f70',
    500: '#ca4539',
    950: '#000000',
  },
}

SCSS

$custom: #ca4539;
$custom-light: #e27f70;
$custom-dark: #000000;

JSON

{
  "hex": "#ca4539",
  "rgb": {
    "r": 202,
    "g": 69,
    "b": 57
  },
  "hsl": {
    "h": 4.966,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.5751,
    "c": 0.17096,
    "h": 28.7
  },
  "luminance": 0.17108
}

Semantic roles & 50–950 ramp

primary

#CA4539

secondary

#8FCAD0

accent

#D4E147

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CA4539

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

Preview Lab → · Contrast checker → · Palette generator →