#CA3D21#CA3D21

#CA3D21 is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.4% C 0.182 H 33.1°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#CA3D21
RGB	rgb(202, 61, 33)
HSL	hsl(10, 72%, 46%)
HSV	hsv(10, 84%, 79%)
CMYK	cmyk(0%, 69.8%, 83.7%, 20.8%)
CIE-LAB	lab(46.98, 54.35, 47.24)
CIE-LCH	lch(46.98, 72.01, 41.00°)
OKLab	oklab(56.37% 0.1528 0.0996)
OKLCH	oklch(56.37% 0.182 33.1)
XYZ	xyz(26.3035, 16.0079, 3.1434)
Luminance	0.1600 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3D21 #21AECA

analogous

#CA2159 #CA3D21 #CA9121

triadic

#CA3D21 #21CA3D #3D21CA

tetradic

#CA3D21 #59CA21 #21AECA #9121CA

square

#CA3D21 #59CA21 #21AECA #9121CA

split-complementary

#CA3D21 #21CA91 #2159CA

monochromatic

#611D10 #952D18 #CA3D21 #E16147 #EA8E7C

Accessibility & contrast

On white

5.00

#CA3D21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#CA3D21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3D21

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3D21	#FFFFFF	#000000	##FFFFFF
##CA3D21	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675C1C

Deuteranopia (green-blind)

#8A7B19

Tritanopia (blue-blind)

#DF0038

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #ca3d21;
/* rgb */ color: rgb(202, 61, 33);
/* oklch */ color: oklch(56.4% 0.182 33.1);

Tailwind

colors: {
  custom: {
    50: '#e47b5f',
    500: '#ca3d21',
    950: '#000000',
  },
}

SCSS

$custom: #ca3d21;
$custom-light: #e47b5f;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3d21",
  "rgb": {
    "r": 202,
    "g": 61,
    "b": 33
  },
  "hsl": {
    "h": 9.941,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.56372,
    "c": 0.18233,
    "h": 33.1
  },
  "luminance": 0.16004
}

Semantic roles & 50–950 ramp

primary

#CA3D21

secondary

#75C2D2

accent

#D1EF39

background

#FFF7F5

surface

#FFEEE9

border

#D7C9C5

text

#180A05

muted

#867C79

Preview Lab

Preview with #CA3D21

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

Preview Lab → · Contrast checker → · Palette generator →