#408CCB#408CCB

#408CCB is a light, vivid cyan. Relative luminance 0.242; OKLCH L 62.1% C 0.122 H 246.5°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX#408CCB
RGBrgb(64, 140, 203)
HSLhsl(207, 57%, 52%)
HSVhsv(207, 68%, 80%)
CMYKcmyk(68.5%, 31%, 0%, 20.4%)
CIE-LABlab(56.24, -3.16, -39.39)
CIE-LCHlch(56.24, 39.52, 265.42°)
OKLaboklab(62.07% -0.0485 -0.1114)
OKLCHoklch(62.07% 0.122 246.5)
XYZxyz(22.2679, 24.1556, 59.9773)
Luminance0.2416 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#408CCB #CB7F40
analogous
#40CBC4 #408CCB #4047CB
triadic
#408CCB #CB408C #8CCB40
tetradic
#408CCB #C440CB #CB7F40 #47CB40
square
#408CCB #C440CB #CB7F40 #47CB40
split-complementary
#408CCB #CB4047 #CBC440
monochromatic
#1F4C72 #2C6CA2 #408CCB #70A9D8 #A0C6E5

Accessibility & contrast

On white

3.60
#408CCB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.83
#408CCB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408CCB
5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##408CCB#FFFFFF#000000##000000
##408CCB1.003.605.835.83
#FFFFFF3.601.0021.0021.00
#0000005.8321.001.001.00
##0000005.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#708ECE
Deuteranopia (green-blind)
#5D81CA
Tritanopia (blue-blind)
#009BA2
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #408ccb;
/* rgb */ color: rgb(64, 140, 203);
/* oklch */ color: oklch(62.1% 0.122 246.5);
Tailwind
colors: {
  custom: {
    50: '#84addb',
    500: '#408ccb',
    950: '#000000',
  },
}
SCSS
$custom: #408ccb;
$custom-light: #84addb;
$custom-dark: #000000;
JSON
{
  "hex": "#408ccb",
  "rgb": {
    "r": 64,
    "g": 140,
    "b": 203
  },
  "hsl": {
    "h": 207.194,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.62067,
    "c": 0.12152,
    "h": 246.5
  },
  "luminance": 0.24158
}

Semantic roles & 50–950 ramp

primary
#408CCB
secondary
#D2B195
accent
#8D47E0
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #408CCB

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

Preview Lab → · Contrast checker → · Palette generator →

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