#408BBF#408BBF

#408BBF is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 61.2% C 0.108 H 241.8°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX#408BBF
RGBrgb(64, 139, 191)
HSLhsl(205, 50%, 50%)
HSVhsv(205, 66%, 75%)
CMYKcmyk(66.5%, 27.2%, 0%, 25.1%)
CIE-LABlab(55.40, -6.68, -33.92)
CIE-LCHlch(55.40, 34.57, 258.86°)
OKLaboklab(61.22% -0.0512 -0.0956)
OKLCHoklch(61.22% 0.108 241.8)
XYZxyz(20.7474, 23.3147, 52.6869)
Luminance0.2332 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#408BBF #BF7440
analogous
#40BFB4 #408BBF #404BBF
triadic
#408BBF #BF408B #8BBF40
tetradic
#408BBF #B440BF #BF7440 #4BBF40
square
#408BBF #B440BF #BF7440 #4BBF40
split-complementary
#408BBF #BF404B #BFB440
monochromatic
#214863 #316A91 #408BBF #6EA7CE #9CC3DE

Accessibility & contrast

On white

3.71
#408BBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.66
#408BBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408BBF
5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##408BBF#FFFFFF#000000##000000
##408BBF1.003.715.665.66
#FFFFFF3.711.0021.0021.00
#0000005.6621.001.001.00
##0000005.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#738CC1
Deuteranopia (green-blind)
#627FBE
Tritanopia (blue-blind)
#00989D
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #408bbf;
/* rgb */ color: rgb(64, 139, 191);
/* oklch */ color: oklch(61.2% 0.108 241.8);
Tailwind
colors: {
  custom: {
    50: '#82acd2',
    500: '#408bbf',
    950: '#000000',
  },
}
SCSS
$custom: #408bbf;
$custom-light: #82acd2;
$custom-dark: #000000;
JSON
{
  "hex": "#408bbf",
  "rgb": {
    "r": 64,
    "g": 139,
    "b": 191
  },
  "hsl": {
    "h": 204.567,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.61215,
    "c": 0.1084,
    "h": 241.8
  },
  "luminance": 0.23317
}

Semantic roles & 50–950 ramp

primary
#408BBF
secondary
#CAA891
accent
#874ED9
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82

Preview Lab

Preview with #408BBF

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

Preview Lab → · Contrast checker → · Palette generator →

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