#CA3F3D#CA3F3D

#CA3F3D is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.9% C 0.176 H 25.4°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX#CA3F3D
RGBrgb(202, 63, 61)
HSLhsl(1, 57%, 52%)
HSVhsv(1, 70%, 79%)
CMYKcmyk(0%, 68.8%, 69.8%, 20.8%)
CIE-LABlab(47.56, 54.63, 32.78)
CIE-LCHlch(47.56, 63.70, 30.96°)
OKLaboklab(56.9% 0.1591 0.0756)
OKLCHoklch(56.9% 0.176 25.4)
XYZxyz(26.9799, 16.4524, 6.1690)
Luminance0.1645 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CA3F3D #3DC8CA
analogous
#CA3D82 #CA3F3D #CA863D
triadic
#CA3F3D #3DCA3F #3F3DCA
tetradic
#CA3F3D #82CA3D #3DC8CA #863DCA
square
#CA3F3D #82CA3D #3DC8CA #863DCA
split-complementary
#CA3F3D #3DCA86 #3D82CA
monochromatic
#6E1F1E #9F2D2B #CA3F3D #D76F6D #E49E9D

Accessibility & contrast

On white

4.90
#CA3F3D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.29
#CA3F3D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3F3D
4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CA3F3D#FFFFFF#000000##FFFFFF
##CA3F3D1.004.904.294.90
#FFFFFF4.901.0021.001.00
#0000004.2921.001.0021.00
##FFFFFF4.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#665E3B
Deuteranopia (green-blind)
#897C39
Tritanopia (blue-blind)
#DE1440
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #ca3f3d;
/* rgb */ color: rgb(202, 63, 61);
/* oklch */ color: oklch(56.9% 0.176 25.4);
Tailwind
colors: {
  custom: {
    50: '#e27c73',
    500: '#ca3f3d',
    950: '#000000',
  },
}
SCSS
$custom: #ca3f3d;
$custom-light: #e27c73;
$custom-dark: #000000;
JSON
{
  "hex": "#ca3f3d",
  "rgb": {
    "r": 202,
    "g": 63,
    "b": 61
  },
  "hsl": {
    "h": 0.851,
    "s": 57.085,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56899,
    "c": 0.1761,
    "h": 25.4
  },
  "luminance": 0.16448
}

Semantic roles & 50–950 ramp

primary
#CA3F3D
secondary
#92D0D0
accent
#DEE047
background
#FFF7F6
surface
#FEEEEC
border
#D6C9C7
text
#170A08
muted
#857C7B

Preview Lab

Preview with #CA3F3D

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

Preview Lab → · Contrast checker → · Palette generator →

#CA3F3D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva