#409AD9#409AD9

#409AD9 is a light, vivid cyan. Relative luminance 0.292; OKLCH L 66.0% C 0.127 H 242.8°. Best body text is #000000 at 6.84:1 contrast (WCAG AA passes).

Color values

HEX#409AD9
RGBrgb(64, 154, 217)
HSLhsl(205, 67%, 55%)
HSVhsv(205, 71%, 85%)
CMYKcmyk(70.5%, 29%, 0%, 14.9%)
CIE-LABlab(60.96, -6.38, -39.83)
CIE-LCHlch(60.96, 40.33, 260.89°)
OKLaboklab(66.01% -0.058 -0.1126)
OKLCHoklch(66.01% 0.127 242.8)
XYZxyz(26.1895, 29.2080, 69.8897)
Luminance0.2921 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#409AD9 #D97F40
analogous
#40D9CC #409AD9 #404DD9
triadic
#409AD9 #D9409A #9AD940
tetradic
#409AD9 #CC40D9 #D97F40 #4DD940
square
#409AD9 #CC40D9 #D97F40 #4DD940
split-complementary
#409AD9 #D9404D #D9CC40
monochromatic
#1A5984 #247BB7 #409AD9 #73B5E3 #A6D0ED

Accessibility & contrast

On white

3.07
#409AD9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.84
#409AD9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409AD9
6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##409AD9#FFFFFF#000000##000000
##409AD91.003.076.846.84
#FFFFFF3.071.0021.0021.00
#0000006.8421.001.001.00
##0000006.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D9BDC
Deuteranopia (green-blind)
#688DD8
Tritanopia (blue-blind)
#00A9B0
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #409ad9;
/* rgb */ color: rgb(64, 154, 217);
/* oklch */ color: oklch(66.0% 0.127 242.8);
Tailwind
colors: {
  custom: {
    50: '#87b7e5',
    500: '#409ad9',
    950: '#000000',
  },
}
SCSS
$custom: #409ad9;
$custom-light: #87b7e5;
$custom-dark: #000000;
JSON
{
  "hex": "#409ad9",
  "rgb": {
    "r": 64,
    "g": 154,
    "b": 217
  },
  "hsl": {
    "h": 204.706,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.66008,
    "c": 0.12661,
    "h": 242.8
  },
  "luminance": 0.29211
}

Semantic roles & 50–950 ramp

primary
#409AD9
secondary
#DAB59A
accent
#853EEA
background
#F8FBFE
surface
#F0F6FC
border
#CBD0D5
text
#0D1115
muted
#7D8084

Preview Lab

Preview with #409AD9

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

Preview Lab → · Contrast checker → · Palette generator →

#409AD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva