#CA3331#CA3331

#CA3331 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.6% C 0.188 H 26.4°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#CA3331
RGB	rgb(202, 51, 49)
HSL	hsl(1, 61%, 49%)
HSV	hsv(1, 76%, 79%)
CMYK	cmyk(0%, 74.8%, 75.7%, 20.8%)
CIE-LAB	lab(45.84, 58.44, 37.70)
CIE-LCH	lch(45.84, 69.54, 32.83°)
OKLab	oklab(55.56% 0.1686 0.0838)
OKLCH	oklch(55.56% 0.188 26.4)
XYZ	xyz(26.0984, 15.1500, 4.4552)
Luminance	0.1515 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3331 #31C8CA

analogous

#CA317C #CA3331 #CA8031

triadic

#CA3331 #31CA33 #3331CA

tetradic

#CA3331 #7CCA31 #31C8CA #8031CA

square

#CA3331 #7CCA31 #31C8CA #8031CA

split-complementary

#CA3331 #31CA80 #317CCA

monochromatic

#671A19 #992725 #CA3331 #D86160 #E49291

Accessibility & contrast

On white

5.21

#CA3331 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#CA3331 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3331

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3331	#FFFFFF	#000000	##FFFFFF
##CA3331	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61582F

Deuteranopia (green-blind)

#86782B

Tritanopia (blue-blind)

#DE0035

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #ca3331;
/* rgb */ color: rgb(202, 51, 49);
/* oklch */ color: oklch(55.6% 0.188 26.4);

Tailwind

colors: {
  custom: {
    50: '#e3776a',
    500: '#ca3331',
    950: '#000000',
  },
}

SCSS

$custom: #ca3331;
$custom-light: #e3776a;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3331",
  "rgb": {
    "r": 202,
    "g": 51,
    "b": 49
  },
  "hsl": {
    "h": 0.784,
    "s": 60.956,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55564,
    "c": 0.18826,
    "h": 26.4
  },
  "luminance": 0.15146
}

Semantic roles & 50–950 ramp

primary

#CA3331

secondary

#88CECF

accent

#E2E444

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #CA3331

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

Preview Lab → · Contrast checker → · Palette generator →