#408BD9#408BD9

#408BD9 is a light, vivid cyan. Relative luminance 0.246; OKLCH L 62.6% C 0.140 H 251.8°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX#408BD9
RGBrgb(64, 139, 217)
HSLhsl(211, 67%, 55%)
HSVhsv(211, 71%, 85%)
CMYKcmyk(70.5%, 35.9%, 0%, 14.9%)
CIE-LABlab(56.65, 2.31, -46.63)
CIE-LCHlch(56.65, 46.69, 272.84°)
OKLaboklab(62.61% -0.0436 -0.1326)
OKLCHoklch(62.61% 0.14 251.8)
XYZxyz(23.8667, 24.5624, 69.1154)
Luminance0.2457 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#408BD9 #D98E40
analogous
#40D8D9 #408BD9 #4140D9
triadic
#408BD9 #D9408B #8BD940
tetradic
#408BD9 #D940D8 #D98E40 #40D941
square
#408BD9 #D940D8 #D98E40 #40D941
split-complementary
#408BD9 #D94140 #D8D940
monochromatic
#1A4E84 #246CB7 #408BD9 #73AAE3 #A6C9ED

Accessibility & contrast

On white

3.55
#408BD9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.91
#408BD9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408BD9
5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##408BD9#FFFFFF#000000##000000
##408BD91.003.555.915.91
#FFFFFF3.551.0021.0021.00
#0000005.9121.001.001.00
##0000005.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6890DC
Deuteranopia (green-blind)
#5181D7
Tritanopia (blue-blind)
#009DA8
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #408bd9;
/* rgb */ color: rgb(64, 139, 217);
/* oklch */ color: oklch(62.6% 0.140 251.8);
Tailwind
colors: {
  custom: {
    50: '#86ace5',
    500: '#408bd9',
    950: '#000000',
  },
}
SCSS
$custom: #408bd9;
$custom-light: #86ace5;
$custom-dark: #000000;
JSON
{
  "hex": "#408bd9",
  "rgb": {
    "r": 64,
    "g": 139,
    "b": 217
  },
  "hsl": {
    "h": 210.588,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.6261,
    "c": 0.13959,
    "h": 251.8
  },
  "luminance": 0.24565
}

Semantic roles & 50–950 ramp

primary
#408BD9
secondary
#DABB9A
accent
#963EEA
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0D1016
muted
#7D7F84

Preview Lab

Preview with #408BD9

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

Preview Lab → · Contrast checker → · Palette generator →

#408BD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva