#408AB9#408AB9

#408AB9 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.7% C 0.102 H 239.4°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX#408AB9
RGBrgb(64, 138, 185)
HSLhsl(203, 49%, 49%)
HSVhsv(203, 65%, 73%)
CMYKcmyk(65.4%, 25.4%, 0%, 27.5%)
CIE-LABlab(54.83, -8.13, -31.38)
CIE-LCHlch(54.83, 32.42, 255.47°)
OKLaboklab(60.68% -0.0521 -0.0882)
OKLCHoklch(60.68% 0.102 239.4)
XYZxyz(19.9564, 22.7677, 49.2324)
Luminance0.2277 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#408AB9 #B96F40
analogous
#40B9AC #408AB9 #404EB9
triadic
#408AB9 #B9408A #8AB940
tetradic
#408AB9 #AC40B9 #B96F40 #4EB940
square
#408AB9 #AC40B9 #B96F40 #4EB940
split-complementary
#408AB9 #B9404E #B9AC40
monochromatic
#21465E #30688C #408AB9 #6BA6CC #98C1DB

Accessibility & contrast

On white

3.78
#408AB9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.55
#408AB9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408AB9
5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##408AB9#FFFFFF#000000##000000
##408AB91.003.785.555.55
#FFFFFF3.781.0021.0021.00
#0000005.5521.001.001.00
##0000005.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#748ABB
Deuteranopia (green-blind)
#647EB8
Tritanopia (blue-blind)
#00969A
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #408ab9;
/* rgb */ color: rgb(64, 138, 185);
/* oklch */ color: oklch(60.7% 0.102 239.4);
Tailwind
colors: {
  custom: {
    50: '#81acce',
    500: '#408ab9',
    950: '#000000',
  },
}
SCSS
$custom: #408ab9;
$custom-light: #81acce;
$custom-dark: #000000;
JSON
{
  "hex": "#408ab9",
  "rgb": {
    "r": 64,
    "g": 138,
    "b": 185
  },
  "hsl": {
    "h": 203.306,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.60681,
    "c": 0.10247,
    "h": 239.4
  },
  "luminance": 0.2277
}

Semantic roles & 50–950 ramp

primary
#408AB9
secondary
#C7A48E
accent
#8550D8
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #408AB9

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

Preview Lab → · Contrast checker → · Palette generator →

#408AB9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva