#CB4439#CB4439

#CB4439 is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.6% C 0.173 H 28.3°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX#CB4439
RGBrgb(203, 68, 57)
HSLhsl(5, 58%, 51%)
HSVhsv(5, 72%, 80%)
CMYKcmyk(0%, 66.5%, 71.9%, 20.4%)
CIE-LABlab(48.42, 52.76, 36.12)
CIE-LCHlch(48.42, 63.94, 34.39°)
OKLaboklab(57.56% 0.1523 0.0821)
OKLCHoklch(57.56% 0.173 28.3)
XYZxyz(27.4372, 17.1301, 5.7318)
Luminance0.1713 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB4439 #39C0CB
analogous
#CB3977 #CB4439 #CB8D39
triadic
#CB4439 #39CB44 #4439CB
tetradic
#CB4439 #77CB39 #39C0CB #8D39CB
square
#CB4439 #77CB39 #39C0CB #8D39CB
split-complementary
#CB4439 #39CB8D #3977CB
monochromatic
#6D231D #9D3229 #CB4439 #D87269 #E4A09A

Accessibility & contrast

On white

4.75
#CB4439 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.43
#CB4439 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4439
4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB4439#FFFFFF#000000##FFFFFF
##CB44391.004.754.434.75
#FFFFFF4.751.0021.001.00
#0000004.4321.001.0021.00
##FFFFFF4.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6A6037
Deuteranopia (green-blind)
#8B7E35
Tritanopia (blue-blind)
#DF1E42
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #cb4439;
/* rgb */ color: rgb(203, 68, 57);
/* oklch */ color: oklch(57.6% 0.173 28.3);
Tailwind
colors: {
  custom: {
    50: '#e37f70',
    500: '#cb4439',
    950: '#000000',
  },
}
SCSS
$custom: #cb4439;
$custom-light: #e37f70;
$custom-dark: #000000;
JSON
{
  "hex": "#cb4439",
  "rgb": {
    "r": 203,
    "g": 68,
    "b": 57
  },
  "hsl": {
    "h": 4.521,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5756,
    "c": 0.17297,
    "h": 28.3
  },
  "luminance": 0.17126
}

Semantic roles & 50–950 ramp

primary
#CB4439
secondary
#90CBD0
accent
#D6E246
background
#FFF8F6
surface
#FEEFEC
border
#D6CAC7
text
#170B07
muted
#857C7A

Preview Lab

Preview with #CB4439

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

Preview Lab → · Contrast checker → · Palette generator →

#CB4439 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva