#408CD8#408CD8

#408CD8 is a light, vivid cyan. Relative luminance 0.248; OKLCH L 62.8% C 0.137 H 250.9°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX#408CD8
RGBrgb(64, 140, 216)
HSLhsl(210, 66%, 55%)
HSVhsv(210, 70%, 85%)
CMYKcmyk(70.4%, 35.2%, 0%, 15.3%)
CIE-LABlab(56.88, 1.37, -45.70)
CIE-LCHlch(56.88, 45.72, 271.72°)
OKLaboklab(62.78% -0.0448 -0.1298)
OKLCHoklch(62.78% 0.137 250.9)
XYZxyz(23.8825, 24.8014, 68.4809)
Luminance0.2480 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#408CD8 #D88C40
analogous
#40D8D8 #408CD8 #4040D8
triadic
#408CD8 #D8408C #8CD840
tetradic
#408CD8 #D840D8 #D88C40 #40D840
square
#408CD8 #D840D8 #D88C40 #40D840
split-complementary
#408CD8 #D84040 #D8D840
monochromatic
#1B4F83 #256DB6 #408CD8 #73ABE2 #A6C9ED

Accessibility & contrast

On white

3.52
#408CD8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.96
#408CD8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408CD8
5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##408CD8#FFFFFF#000000##000000
##408CD81.003.525.965.96
#FFFFFF3.521.0021.0021.00
#0000005.9621.001.001.00
##0000005.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A90DB
Deuteranopia (green-blind)
#5482D6
Tritanopia (blue-blind)
#009EA8
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #408cd8;
/* rgb */ color: rgb(64, 140, 216);
/* oklch */ color: oklch(62.8% 0.137 250.9);
Tailwind
colors: {
  custom: {
    50: '#86ade4',
    500: '#408cd8',
    950: '#000000',
  },
}
SCSS
$custom: #408cd8;
$custom-light: #86ade4;
$custom-dark: #000000;
JSON
{
  "hex": "#408cd8",
  "rgb": {
    "r": 64,
    "g": 140,
    "b": 216
  },
  "hsl": {
    "h": 210,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.62777,
    "c": 0.13737,
    "h": 250.9
  },
  "luminance": 0.24804
}

Semantic roles & 50–950 ramp

primary
#408CD8
secondary
#DABA9A
accent
#943FE9
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0D1015
muted
#7D7F84

Preview Lab

Preview with #408CD8

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

Preview Lab → · Contrast checker → · Palette generator →

#408CD8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva