#409AB5#409AB5

#409AB5 is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.3% C 0.093 H 220.9°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX#409AB5
RGBrgb(64, 154, 181)
HSLhsl(194, 48%, 48%)
HSVhsv(194, 65%, 71%)
CMYKcmyk(64.6%, 14.9%, 0%, 29%)
CIE-LABlab(59.47, -18.26, -21.95)
CIE-LCHlch(59.47, 28.55, 230.25°)
OKLaboklab(64.32% -0.0706 -0.0612)
OKLCHoklch(64.32% 0.093 220.9)
XYZxyz(22.0071, 27.5351, 47.8621)
Luminance0.2754 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#409AB5 #B55B40
analogous
#40B595 #409AB5 #405FB5
triadic
#409AB5 #B5409A #9AB540
tetradic
#409AB5 #9540B5 #B55B40 #5FB540
square
#409AB5 #9540B5 #B55B40 #5FB540
split-complementary
#409AB5 #B5405F #B59540
monochromatic
#204D5B #307488 #409AB5 #68B3CA #96CADA

Accessibility & contrast

On white

3.23
#409AB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.51
#409AB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409AB5
6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##409AB5#FFFFFF#000000##000000
##409AB51.003.236.516.51
#FFFFFF3.231.0021.0021.00
#0000006.5121.001.001.00
##0000006.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A96B6
Deuteranopia (green-blind)
#798AB5
Tritanopia (blue-blind)
#00A3A3
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #409ab5;
/* rgb */ color: rgb(64, 154, 181);
/* oklch */ color: oklch(64.3% 0.093 220.9);
Tailwind
colors: {
  custom: {
    50: '#82b8cb',
    500: '#409ab5',
    950: '#000000',
  },
}
SCSS
$custom: #409ab5;
$custom-light: #82b8cb;
$custom-dark: #000000;
JSON
{
  "hex": "#409ab5",
  "rgb": {
    "r": 64,
    "g": 154,
    "b": 181
  },
  "hsl": {
    "h": 193.846,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.64321,
    "c": 0.09338,
    "h": 220.9
  },
  "luminance": 0.27537
}

Semantic roles & 50–950 ramp

primary
#409AB5
secondary
#C5998B
accent
#7050D7
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #409AB5

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

Preview Lab → · Contrast checker → · Palette generator →

#409AB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva