#CA3A21#CA3A21

#CA3A21 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.1% C 0.185 H 32.3°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#CA3A21
RGB	rgb(202, 58, 33)
HSL	hsl(9, 72%, 46%)
HSV	hsv(9, 84%, 79%)
CMYK	cmyk(0%, 71.3%, 83.7%, 20.8%)
CIE-LAB	lab(46.57, 55.47, 46.87)
CIE-LCH	lch(46.57, 72.62, 40.20°)
OKLab	oklab(56.07% 0.1563 0.0987)
OKLCH	oklch(56.07% 0.185 32.3)
XYZ	xyz(26.1478, 15.6965, 3.0915)
Luminance	0.1569 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3A21 #21B1CA

analogous

#CA215C #CA3A21 #CA8E21

triadic

#CA3A21 #21CA3A #3A21CA

tetradic

#CA3A21 #5CCA21 #21B1CA #8E21CA

square

#CA3A21 #5CCA21 #21B1CA #8E21CA

split-complementary

#CA3A21 #21CA8E #215CCA

monochromatic

#611C10 #952B18 #CA3A21 #E15E47 #EA8C7C

Accessibility & contrast

On white

5.07

#CA3A21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#CA3A21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3A21

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3A21	#FFFFFF	#000000	##FFFFFF
##CA3A21	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655A1C

Deuteranopia (green-blind)

#897A19

Tritanopia (blue-blind)

#DF0036

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ca3a21;
/* rgb */ color: rgb(202, 58, 33);
/* oklch */ color: oklch(56.1% 0.185 32.3);

Tailwind

colors: {
  custom: {
    50: '#e4795f',
    500: '#ca3a21',
    950: '#000000',
  },
}

SCSS

$custom: #ca3a21;
$custom-light: #e4795f;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3a21",
  "rgb": {
    "r": 202,
    "g": 58,
    "b": 33
  },
  "hsl": {
    "h": 8.876,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.56065,
    "c": 0.18483,
    "h": 32.3
  },
  "luminance": 0.15692
}

Semantic roles & 50–950 ramp

primary

#CA3A21

secondary

#75C4D2

accent

#D4EF39

background

#FFF7F5

surface

#FFEEE9

border

#D7C9C5

text

#180A05

muted

#867C79

Preview Lab

Preview with #CA3A21

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

Preview Lab → · Contrast checker → · Palette generator →