#CA3921#CA3921

#CA3921 is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.0% C 0.186 H 32.0°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#CA3921
RGB	rgb(202, 57, 33)
HSL	hsl(9, 72%, 46%)
HSV	hsv(9, 84%, 79%)
CMYK	cmyk(0%, 71.8%, 83.7%, 20.8%)
CIE-LAB	lab(46.44, 55.84, 46.75)
CIE-LCH	lch(46.44, 72.83, 39.94°)
OKLab	oklab(55.97% 0.1574 0.0984)
OKLCH	oklch(55.97% 0.186 32)
XYZ	xyz(26.0979, 15.5967, 3.0748)
Luminance	0.1559 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3921 #21B2CA

analogous

#CA215D #CA3921 #CA8D21

triadic

#CA3921 #21CA39 #3921CA

tetradic

#CA3921 #5DCA21 #21B2CA #8D21CA

square

#CA3921 #5DCA21 #21B2CA #8D21CA

split-complementary

#CA3921 #21CA8D #215DCA

monochromatic

#611B10 #952A18 #CA3921 #E15D47 #EA8B7C

Accessibility & contrast

On white

5.10

#CA3921 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#CA3921 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3921

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3921	#FFFFFF	#000000	##FFFFFF
##CA3921	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655A1C

Deuteranopia (green-blind)

#897A19

Tritanopia (blue-blind)

#DF0035

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ca3921;
/* rgb */ color: rgb(202, 57, 33);
/* oklch */ color: oklch(56.0% 0.186 32.0);

Tailwind

colors: {
  custom: {
    50: '#e4795f',
    500: '#ca3921',
    950: '#000000',
  },
}

SCSS

$custom: #ca3921;
$custom-light: #e4795f;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3921",
  "rgb": {
    "r": 202,
    "g": 57,
    "b": 33
  },
  "hsl": {
    "h": 8.521,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.55965,
    "c": 0.18565,
    "h": 32
  },
  "luminance": 0.15593
}

Semantic roles & 50–950 ramp

primary

#CA3921

secondary

#75C4D2

accent

#D5EF39

background

#FFF7F5

surface

#FFEEE9

border

#D7C9C5

text

#180A05

muted

#867C79

Preview Lab

Preview with #CA3921

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

Preview Lab → · Contrast checker → · Palette generator →