#CA3B21#CA3B21

#CA3B21 is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.2% C 0.184 H 32.5°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#CA3B21
RGB	rgb(202, 59, 33)
HSL	hsl(9, 72%, 46%)
HSV	hsv(9, 84%, 79%)
CMYK	cmyk(0%, 70.8%, 83.7%, 20.8%)
CIE-LAB	lab(46.71, 55.10, 46.99)
CIE-LCH	lch(46.71, 72.42, 40.46°)
OKLab	oklab(56.17% 0.1551 0.099)
OKLCH	oklch(56.17% 0.184 32.5)
XYZ	xyz(26.1987, 15.7983, 3.1085)
Luminance	0.1579 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3B21 #21B0CA

analogous

#CA215B #CA3B21 #CA8F21

triadic

#CA3B21 #21CA3B #3B21CA

tetradic

#CA3B21 #5BCA21 #21B0CA #8F21CA

square

#CA3B21 #5BCA21 #21B0CA #8F21CA

split-complementary

#CA3B21 #21CA8F #215BCA

monochromatic

#611C10 #952C18 #CA3B21 #E15F47 #EA8D7C

Accessibility & contrast

On white

5.05

#CA3B21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#CA3B21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3B21

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3B21	#FFFFFF	#000000	##FFFFFF
##CA3B21	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665B1C

Deuteranopia (green-blind)

#897A19

Tritanopia (blue-blind)

#DF0037

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #ca3b21;
/* rgb */ color: rgb(202, 59, 33);
/* oklch */ color: oklch(56.2% 0.184 32.5);

Tailwind

colors: {
  custom: {
    50: '#e47a5f',
    500: '#ca3b21',
    950: '#000000',
  },
}

SCSS

$custom: #ca3b21;
$custom-light: #e47a5f;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3b21",
  "rgb": {
    "r": 202,
    "g": 59,
    "b": 33
  },
  "hsl": {
    "h": 9.231,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.56166,
    "c": 0.18401,
    "h": 32.5
  },
  "luminance": 0.15794
}

Semantic roles & 50–950 ramp

primary

#CA3B21

secondary

#75C3D2

accent

#D3EF39

background

#FFF7F5

surface

#FFEEE9

border

#D7C9C5

text

#180A05

muted

#867C79

Preview Lab

Preview with #CA3B21

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

Preview Lab → · Contrast checker → · Palette generator →