#408FD9#408FD9

#408FD9 is a light, vivid cyan. Relative luminance 0.257; OKLCH L 63.5% C 0.136 H 249.6°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX#408FD9
RGBrgb(64, 143, 217)
HSLhsl(209, 67%, 55%)
HSVhsv(209, 71%, 85%)
CMYKcmyk(70.5%, 34.1%, 0%, 14.9%)
CIE-LABlab(57.79, -0.05, -44.82)
CIE-LCHlch(57.79, 44.82, 269.94°)
OKLaboklab(63.51% -0.0474 -0.1272)
OKLCHoklch(63.51% 0.136 249.6)
XYZxyz(24.4565, 25.7420, 69.3120)
Luminance0.2575 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#408FD9 #D98A40
analogous
#40D9D7 #408FD9 #4042D9
triadic
#408FD9 #D9408F #8FD940
tetradic
#408FD9 #D740D9 #D98A40 #42D940
square
#408FD9 #D740D9 #D98A40 #42D940
split-complementary
#408FD9 #D94042 #D9D740
monochromatic
#1A5184 #2470B7 #408FD9 #73ADE3 #A6CBED

Accessibility & contrast

On white

3.42
#408FD9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.15
#408FD9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408FD9
6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##408FD9#FFFFFF#000000##000000
##408FD91.003.426.156.15
#FFFFFF3.421.0021.0021.00
#0000006.1521.001.001.00
##0000006.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E93DC
Deuteranopia (green-blind)
#5884D8
Tritanopia (blue-blind)
#00A1AA
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #408fd9;
/* rgb */ color: rgb(64, 143, 217);
/* oklch */ color: oklch(63.5% 0.136 249.6);
Tailwind
colors: {
  custom: {
    50: '#86afe5',
    500: '#408fd9',
    950: '#000000',
  },
}
SCSS
$custom: #408fd9;
$custom-light: #86afe5;
$custom-dark: #000000;
JSON
{
  "hex": "#408fd9",
  "rgb": {
    "r": 64,
    "g": 143,
    "b": 217
  },
  "hsl": {
    "h": 209.02,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63507,
    "c": 0.13579,
    "h": 249.6
  },
  "luminance": 0.25745
}

Semantic roles & 50–950 ramp

primary
#408FD9
secondary
#DAB99A
accent
#913EEA
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0D1016
muted
#7D7F84

Preview Lab

Preview with #408FD9

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

Preview Lab → · Contrast checker → · Palette generator →

#408FD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva