#408BD4#408BD4

#408BD4 is a light, vivid cyan. Relative luminance 0.243; OKLCH L 62.3% C 0.133 H 250.3°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX#408BD4
RGBrgb(64, 139, 212)
HSLhsl(210, 63%, 54%)
HSVhsv(210, 70%, 83%)
CMYKcmyk(69.8%, 34.4%, 0%, 16.9%)
CIE-LABlab(56.39, 0.56, -44.23)
CIE-LCHlch(56.39, 44.23, 270.72°)
OKLaboklab(62.33% -0.0449 -0.1255)
OKLCHoklch(62.33% 0.133 250.3)
XYZxyz(23.2262, 24.3062, 65.7421)
Luminance0.2431 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#408BD4 #D48940
analogous
#40D4D3 #408BD4 #4041D4
triadic
#408BD4 #D4408B #8BD440
tetradic
#408BD4 #D340D4 #D48940 #41D440
square
#408BD4 #D340D4 #D48940 #41D440
split-complementary
#408BD4 #D44041 #D4D340
monochromatic
#1C4D7D #276CAF #408BD4 #72A9DF #A4C8EA

Accessibility & contrast

On white

3.58
#408BD4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.86
#408BD4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408BD4
5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##408BD4#FFFFFF#000000##000000
##408BD41.003.585.865.86
#FFFFFF3.581.0021.0021.00
#0000005.8621.001.001.00
##0000005.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A8FD7
Deuteranopia (green-blind)
#5581D3
Tritanopia (blue-blind)
#009CA6
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #408bd4;
/* rgb */ color: rgb(64, 139, 212);
/* oklch */ color: oklch(62.3% 0.133 250.3);
Tailwind
colors: {
  custom: {
    50: '#85ace1',
    500: '#408bd4',
    950: '#000000',
  },
}
SCSS
$custom: #408bd4;
$custom-light: #85ace1;
$custom-dark: #000000;
JSON
{
  "hex": "#408bd4",
  "rgb": {
    "r": 64,
    "g": 139,
    "b": 212
  },
  "hsl": {
    "h": 209.595,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.62329,
    "c": 0.13335,
    "h": 250.3
  },
  "luminance": 0.24309
}

Semantic roles & 50–950 ramp

primary
#408BD4
secondary
#D7B798
accent
#9342E6
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #408BD4

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

Preview Lab → · Contrast checker → · Palette generator →

#408BD4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva