#CA3821#CA3821

#CA3821 is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.9% C 0.186 H 31.8°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#CA3821
RGB	rgb(202, 56, 33)
HSL	hsl(8, 72%, 46%)
HSV	hsv(8, 84%, 79%)
CMYK	cmyk(0%, 72.3%, 83.7%, 20.8%)
CIE-LAB	lab(46.31, 56.20, 46.63)
CIE-LCH	lch(46.31, 73.03, 39.69°)
OKLab	oklab(55.87% 0.1585 0.0982)
OKLCH	oklch(55.87% 0.186 31.8)
XYZ	xyz(26.0489, 15.4988, 3.0585)
Luminance	0.1550 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3821 #21B3CA

analogous

#CA215E #CA3821 #CA8C21

triadic

#CA3821 #21CA38 #3821CA

tetradic

#CA3821 #5ECA21 #21B3CA #8C21CA

square

#CA3821 #5ECA21 #21B3CA #8C21CA

split-complementary

#CA3821 #21CA8C #215ECA

monochromatic

#611B10 #952918 #CA3821 #E15C47 #EA8B7C

Accessibility & contrast

On white

5.12

#CA3821 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#CA3821 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3821

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3821	#FFFFFF	#000000	##FFFFFF
##CA3821	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64591C

Deuteranopia (green-blind)

#887919

Tritanopia (blue-blind)

#DF0034

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ca3821;
/* rgb */ color: rgb(202, 56, 33);
/* oklch */ color: oklch(55.9% 0.186 31.8);

Tailwind

colors: {
  custom: {
    50: '#e4795f',
    500: '#ca3821',
    950: '#000000',
  },
}

SCSS

$custom: #ca3821;
$custom-light: #e4795f;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3821",
  "rgb": {
    "r": 202,
    "g": 56,
    "b": 33
  },
  "hsl": {
    "h": 8.166,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.55867,
    "c": 0.18646,
    "h": 31.8
  },
  "luminance": 0.15495
}

Semantic roles & 50–950 ramp

primary

#CA3821

secondary

#75C5D2

accent

#D6EF39

background

#FFF7F5

surface

#FFEEE9

border

#D7C9C5

text

#180A05

muted

#867C79

Preview Lab

Preview with #CA3821

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

Preview Lab → · Contrast checker → · Palette generator →