#408CCF#408CCF

#408CCF is a light, vivid cyan. Relative luminance 0.244; OKLCH L 62.3% C 0.126 H 248.0°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX#408CCF
RGBrgb(64, 140, 207)
HSLhsl(208, 60%, 53%)
HSVhsv(208, 69%, 81%)
CMYKcmyk(69.1%, 32.4%, 0%, 18.8%)
CIE-LABlab(56.44, -1.77, -41.34)
CIE-LCHlch(56.44, 41.38, 267.54°)
OKLaboklab(62.28% -0.0473 -0.1171)
OKLCHoklch(62.28% 0.126 248)
XYZxyz(22.7507, 24.3487, 62.5202)
Luminance0.2435 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#408CCF #CF8340
analogous
#40CFCB #408CCF #4044CF
triadic
#408CCF #CF408C #8CCF40
tetradic
#408CCF #CB40CF #CF8340 #44CF40
square
#408CCF #CB40CF #CF8340 #44CF40
split-complementary
#408CCF #CF4044 #CFCB40
monochromatic
#1E4D77 #2A6DA8 #408CCF #71A9DB #A2C7E8

Accessibility & contrast

On white

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

On black

5.87
#408CCF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408CCF
5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##408CCF#FFFFFF#000000##000000
##408CCF1.003.585.875.87
#FFFFFF3.581.0021.0021.00
#0000005.8721.001.001.00
##0000005.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E8FD2
Deuteranopia (green-blind)
#5A81CE
Tritanopia (blue-blind)
#009CA4
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #408ccf;
/* rgb */ color: rgb(64, 140, 207);
/* oklch */ color: oklch(62.3% 0.126 248.0);
Tailwind
colors: {
  custom: {
    50: '#85adde',
    500: '#408ccf',
    950: '#000000',
  },
}
SCSS
$custom: #408ccf;
$custom-light: #85adde;
$custom-dark: #000000;
JSON
{
  "hex": "#408ccf",
  "rgb": {
    "r": 64,
    "g": 140,
    "b": 207
  },
  "hsl": {
    "h": 208.112,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.62281,
    "c": 0.12632,
    "h": 248
  },
  "luminance": 0.24351
}

Semantic roles & 50–950 ramp

primary
#408CCF
secondary
#D4B397
accent
#8F45E3
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #408CCF

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

Preview Lab → · Contrast checker → · Palette generator →

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