#CA3B3F#CA3B3F

#CA3B3F is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.5% C 0.180 H 23.6°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX#CA3B3F
RGBrgb(202, 59, 63)
HSLhsl(358, 57%, 51%)
HSVhsv(358, 71%, 79%)
CMYKcmyk(0%, 70.8%, 68.8%, 20.8%)
CIE-LABlab(47.04, 56.25, 30.97)
CIE-LCHlch(47.04, 64.21, 28.84°)
OKLaboklab(56.52% 0.1646 0.0719)
OKLCHoklch(56.52% 0.18 23.6)
XYZxyz(26.8212, 16.0473, 6.3868)
Luminance0.1604 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CA3B3F #3BCAC6
analogous
#CA3B86 #CA3B3F #CA7E3B
triadic
#CA3B3F #3FCA3B #3B3FCA
tetradic
#CA3B3F #86CA3B #3BCAC6 #7E3BCA
square
#CA3B3F #86CA3B #3BCAC6 #7E3BCA
split-complementary
#CA3B3F #3BCA7E #3B86CA
monochromatic
#6D1E20 #9D2B2E #CA3B3F #D76B6E #E49B9D

Accessibility & contrast

On white

4.99
#CA3B3F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.21
#CA3B3F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3B3F
4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CA3B3F#FFFFFF#000000##FFFFFF
##CA3B3F1.004.994.214.99
#FFFFFF4.991.0021.001.00
#0000004.2121.001.0021.00
##FFFFFF4.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#635C3E
Deuteranopia (green-blind)
#877B3B
Tritanopia (blue-blind)
#DE063E
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #ca3b3f;
/* rgb */ color: rgb(202, 59, 63);
/* oklch */ color: oklch(56.5% 0.180 23.6);
Tailwind
colors: {
  custom: {
    50: '#e27a74',
    500: '#ca3b3f',
    950: '#000000',
  },
}
SCSS
$custom: #ca3b3f;
$custom-light: #e27a74;
$custom-dark: #000000;
JSON
{
  "hex": "#ca3b3f",
  "rgb": {
    "r": 202,
    "g": 59,
    "b": 63
  },
  "hsl": {
    "h": 358.322,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56515,
    "c": 0.17964,
    "h": 23.6
  },
  "luminance": 0.16043
}

Semantic roles & 50–950 ramp

primary
#CA3B3F
secondary
#91D0CE
accent
#E1DC47
background
#FFF7F7
surface
#FEEEED
border
#D6C9C8
text
#170A08
muted
#857C7B

Preview Lab

Preview with #CA3B3F

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

Preview Lab → · Contrast checker → · Palette generator →

#CA3B3F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva