#CA3A3B#CA3A3B

#CA3A3B is a mid, vivid red. Relative luminance 0.159; OKLCH L 56.4% C 0.181 H 24.8°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX#CA3A3B
RGBrgb(202, 58, 59)
HSLhsl(360, 58%, 51%)
HSVhsv(360, 71%, 79%)
CMYKcmyk(0%, 71.3%, 70.8%, 20.8%)
CIE-LABlab(46.85, 56.42, 33.09)
CIE-LCHlch(46.85, 65.41, 30.39°)
OKLaboklab(56.36% 0.1643 0.0759)
OKLCHoklch(56.36% 0.181 24.8)
XYZxyz(26.6626, 15.9024, 5.8024)
Luminance0.1590 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CA3A3B #3ACAC9
analogous
#CA3A83 #CA3A3B #CA813A
triadic
#CA3A3B #3BCA3A #3A3BCA
tetradic
#CA3A3B #83CA3A #3ACAC9 #813ACA
square
#CA3A3B #83CA3A #3ACAC9 #813ACA
split-complementary
#CA3A3B #3ACA81 #3A83CA
monochromatic
#6C1D1E #9D2A2B #CA3A3B #D76A6B #E49A9B

Accessibility & contrast

On white

5.02
#CA3A3B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.18
#CA3A3B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3A3B
5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CA3A3B#FFFFFF#000000##FFFFFF
##CA3A3B1.005.024.185.02
#FFFFFF5.021.0021.001.00
#0000004.1821.001.0021.00
##FFFFFF5.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#635B3A
Deuteranopia (green-blind)
#877A36
Tritanopia (blue-blind)
#DE003C
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #ca3a3b;
/* rgb */ color: rgb(202, 58, 59);
/* oklch */ color: oklch(56.4% 0.181 24.8);
Tailwind
colors: {
  custom: {
    50: '#e27a71',
    500: '#ca3a3b',
    950: '#000000',
  },
}
SCSS
$custom: #ca3a3b;
$custom-light: #e27a71;
$custom-dark: #000000;
JSON
{
  "hex": "#ca3a3b",
  "rgb": {
    "r": 202,
    "g": 58,
    "b": 59
  },
  "hsl": {
    "h": 359.583,
    "s": 57.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56355,
    "c": 0.18101,
    "h": 24.8
  },
  "luminance": 0.15898
}

Semantic roles & 50–950 ramp

primary
#CA3A3B
secondary
#90D0CF
accent
#E1E047
background
#FFF7F6
surface
#FEEEEC
border
#D6C9C7
text
#170A07
muted
#857C7A

Preview Lab

Preview with #CA3A3B

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

Preview Lab → · Contrast checker → · Palette generator →

#CA3A3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva