#409DB5#409DB5

#409DB5 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.0% C 0.093 H 217.8°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX#409DB5
RGBrgb(64, 157, 181)
HSLhsl(192, 48%, 48%)
HSVhsv(192, 65%, 71%)
CMYKcmyk(64.6%, 13.3%, 0%, 29%)
CIE-LABlab(60.37, -19.85, -20.57)
CIE-LCHlch(60.37, 28.58, 226.03°)
OKLaboklab(65.05% -0.0737 -0.0572)
OKLCHoklch(65.05% 0.093 217.8)
XYZxyz(22.5084, 28.5377, 48.0292)
Luminance0.2854 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#409DB5 #B55840
analogous
#40B592 #409DB5 #4062B5
triadic
#409DB5 #B5409D #9DB540
tetradic
#409DB5 #9240B5 #B55840 #62B540
square
#409DB5 #9240B5 #B55840 #62B540
split-complementary
#409DB5 #B54062 #B59240
monochromatic
#204F5B #307688 #409DB5 #68B6CA #96CCDA

Accessibility & contrast

On white

3.13
#409DB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.71
#409DB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409DB5
6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##409DB5#FFFFFF#000000##000000
##409DB51.003.136.716.71
#FFFFFF3.131.0021.0021.00
#0000006.7121.001.001.00
##0000006.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D99B6
Deuteranopia (green-blind)
#7D8CB5
Tritanopia (blue-blind)
#00A5A5
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #409db5;
/* rgb */ color: rgb(64, 157, 181);
/* oklch */ color: oklch(65.0% 0.093 217.8);
Tailwind
colors: {
  custom: {
    50: '#82bacb',
    500: '#409db5',
    950: '#000000',
  },
}
SCSS
$custom: #409db5;
$custom-light: #82bacb;
$custom-dark: #000000;
JSON
{
  "hex": "#409db5",
  "rgb": {
    "r": 64,
    "g": 157,
    "b": 181
  },
  "hsl": {
    "h": 192.308,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.65047,
    "c": 0.09336,
    "h": 217.8
  },
  "luminance": 0.2854
}

Semantic roles & 50–950 ramp

primary
#409DB5
secondary
#C5978B
accent
#6C50D7
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0C1113
muted
#7D8082

Preview Lab

Preview with #409DB5

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

Preview Lab → · Contrast checker → · Palette generator →

#409DB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva