#CA3531#CA3531

#CA3531 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.7% C 0.187 H 26.9°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#CA3531
RGB	rgb(202, 53, 49)
HSL	hsl(2, 61%, 49%)
HSV	hsv(2, 76%, 79%)
CMYK	cmyk(0%, 73.8%, 75.7%, 20.8%)
CIE-LAB	lab(46.08, 57.76, 37.97)
CIE-LCH	lch(46.08, 69.12, 33.32°)
OKLab	oklab(55.74% 0.1665 0.0843)
OKLCH	oklch(55.74% 0.187 26.9)
XYZ	xyz(26.1877, 15.3286, 4.4849)
Luminance	0.1532 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3531 #31C6CA

analogous

#CA3179 #CA3531 #CA8231

triadic

#CA3531 #31CA35 #3531CA

tetradic

#CA3531 #79CA31 #31C6CA #8231CA

square

#CA3531 #79CA31 #31C6CA #8231CA

split-complementary

#CA3531 #31CA82 #3179CA

monochromatic

#671B19 #992825 #CA3531 #D86360 #E49391

Accessibility & contrast

On white

5.17

#CA3531 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#CA3531 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3531

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3531	#FFFFFF	#000000	##FFFFFF
##CA3531	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62582F

Deuteranopia (green-blind)

#87792B

Tritanopia (blue-blind)

#DE0036

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #ca3531;
/* rgb */ color: rgb(202, 53, 49);
/* oklch */ color: oklch(55.7% 0.187 26.9);

Tailwind

colors: {
  custom: {
    50: '#e3776a',
    500: '#ca3531',
    950: '#000000',
  },
}

SCSS

$custom: #ca3531;
$custom-light: #e3776a;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3531",
  "rgb": {
    "r": 202,
    "g": 53,
    "b": 49
  },
  "hsl": {
    "h": 1.569,
    "s": 60.956,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55744,
    "c": 0.18662,
    "h": 26.9
  },
  "luminance": 0.15325
}

Semantic roles & 50–950 ramp

primary

#CA3531

secondary

#88CDCF

accent

#E0E444

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #CA3531

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

Preview Lab → · Contrast checker → · Palette generator →