#408CD9#408CD9

#408CD9 is a light, vivid cyan. Relative luminance 0.249; OKLCH L 62.8% C 0.139 H 251.2°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX#408CD9
RGBrgb(64, 140, 217)
HSLhsl(210, 67%, 55%)
HSVhsv(210, 71%, 85%)
CMYKcmyk(70.5%, 35.5%, 0%, 14.9%)
CIE-LABlab(56.93, 1.72, -46.18)
CIE-LCHlch(56.93, 46.21, 272.13°)
OKLaboklab(62.83% -0.0446 -0.1312)
OKLCHoklch(62.83% 0.139 251.2)
XYZxyz(24.0121, 24.8533, 69.1639)
Luminance0.2486 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#408CD9 #D98D40
analogous
#40D8D9 #408CD9 #4040D9
triadic
#408CD9 #D9408C #8CD940
tetradic
#408CD9 #D940D8 #D98D40 #40D940
square
#408CD9 #D940D8 #D98D40 #40D940
split-complementary
#408CD9 #D94040 #D8D940
monochromatic
#1A4F84 #246DB7 #408CD9 #73ABE3 #A6C9ED

Accessibility & contrast

On white

3.52
#408CD9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.97
#408CD9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408CD9
5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##408CD9#FFFFFF#000000##000000
##408CD91.003.525.975.97
#FFFFFF3.521.0021.0021.00
#0000005.9721.001.001.00
##0000005.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6990DC
Deuteranopia (green-blind)
#5382D7
Tritanopia (blue-blind)
#009EA8
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #408cd9;
/* rgb */ color: rgb(64, 140, 217);
/* oklch */ color: oklch(62.8% 0.139 251.2);
Tailwind
colors: {
  custom: {
    50: '#86ade5',
    500: '#408cd9',
    950: '#000000',
  },
}
SCSS
$custom: #408cd9;
$custom-light: #86ade5;
$custom-dark: #000000;
JSON
{
  "hex": "#408cd9",
  "rgb": {
    "r": 64,
    "g": 140,
    "b": 217
  },
  "hsl": {
    "h": 210.196,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.62834,
    "c": 0.13861,
    "h": 251.2
  },
  "luminance": 0.24856
}

Semantic roles & 50–950 ramp

primary
#408CD9
secondary
#DABB9A
accent
#943EEA
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0D1016
muted
#7D7F84

Preview Lab

Preview with #408CD9

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

Preview Lab → · Contrast checker → · Palette generator →

#408CD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva