#CB4B4B#CB4B4B

#CB4B4B is a mid, vivid red. Relative luminance 0.182; OKLCH L 58.7% C 0.163 H 23.6°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX#CB4B4B
RGBrgb(203, 75, 75)
HSLhsl(0, 55%, 55%)
HSVhsv(0, 63%, 80%)
CMYKcmyk(0%, 63.1%, 63.1%, 20.4%)
CIE-LABlab(49.79, 50.78, 27.35)
CIE-LCHlch(49.79, 57.67, 28.31°)
OKLaboklab(58.67% 0.1495 0.0653)
OKLCHoklch(58.67% 0.163 23.6)
XYZxyz(28.4174, 18.2405, 8.6796)
Luminance0.1824 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB4B4B #4BCBCB
analogous
#CB4B8B #CB4B4B #CB8B4B
triadic
#CB4B4B #4BCB4B #4B4BCB
tetradic
#CB4B4B #8BCB4B #4BCBCB #8B4BCB
square
#CB4B4B #8BCB4B #4BCBCB #8B4BCB
split-complementary
#CB4B4B #4BCB8B #4B8BCB
monochromatic
#792323 #A83131 #CB4B4B #D97A7A #E6AAAA

Accessibility & contrast

On white

4.52
#CB4B4B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.65
#CB4B4B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB4B4B
4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB4B4B#FFFFFF#000000##000000
##CB4B4B1.004.524.654.65
#FFFFFF4.521.0021.0021.00
#0000004.6521.001.001.00
##0000004.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C654A
Deuteranopia (green-blind)
#8C8148
Tritanopia (blue-blind)
#DE304C
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #cb4b4b;
/* rgb */ color: rgb(203, 75, 75);
/* oklch */ color: oklch(58.7% 0.163 23.6);
Tailwind
colors: {
  custom: {
    50: '#e2837d',
    500: '#cb4b4b',
    950: '#000000',
  },
}
SCSS
$custom: #cb4b4b;
$custom-light: #e2837d;
$custom-dark: #000000;
JSON
{
  "hex": "#cb4b4b",
  "rgb": {
    "r": 203,
    "g": 75,
    "b": 75
  },
  "hsl": {
    "h": 0,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.58666,
    "c": 0.16319,
    "h": 23.6
  },
  "luminance": 0.18237
}

Semantic roles & 50–950 ramp

primary
#CB4B4B
secondary
#9ED4D4
accent
#DFDF49
background
#FEF8F7
surface
#FDEFEE
border
#D5CAC9
text
#170B09
muted
#857C7B

Preview Lab

Preview with #CB4B4B

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

Preview Lab → · Contrast checker → · Palette generator →

#CB4B4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva