#409FBF#409FBF

#409FBF is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.0% C 0.100 H 223.8°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX#409FBF
RGBrgb(64, 159, 191)
HSLhsl(195, 50%, 50%)
HSVhsv(195, 66%, 75%)
CMYKcmyk(66.5%, 16.8%, 0%, 25.1%)
CIE-LABlab(61.35, -17.75, -24.70)
CIE-LCHlch(61.35, 30.41, 234.30°)
OKLaboklab(65.95% -0.0719 -0.069)
OKLCHoklch(65.95% 0.1 223.8)
XYZxyz(23.9127, 29.6453, 53.7420)
Luminance0.2965 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#409FBF #BF6040
analogous
#40BF9F #409FBF #4060BF
triadic
#409FBF #BF409F #9FBF40
tetradic
#409FBF #9F40BF #BF6040 #60BF40
square
#409FBF #9F40BF #BF6040 #60BF40
split-complementary
#409FBF #BF4060 #BF9F40
monochromatic
#215363 #317991 #409FBF #6EB6CE #9CCDDE

Accessibility & contrast

On white

3.03
#409FBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.93
#409FBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409FBF
6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##409FBF#FFFFFF#000000##000000
##409FBF1.003.036.936.93
#FFFFFF3.031.0021.0021.00
#0000006.9321.001.001.00
##0000006.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D9CC1
Deuteranopia (green-blind)
#7B8EBF
Tritanopia (blue-blind)
#00A9A9
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #409fbf;
/* rgb */ color: rgb(64, 159, 191);
/* oklch */ color: oklch(66.0% 0.100 223.8);
Tailwind
colors: {
  custom: {
    50: '#83bbd2',
    500: '#409fbf',
    950: '#000000',
  },
}
SCSS
$custom: #409fbf;
$custom-light: #83bbd2;
$custom-dark: #000000;
JSON
{
  "hex": "#409fbf",
  "rgb": {
    "r": 64,
    "g": 159,
    "b": 191
  },
  "hsl": {
    "h": 195.118,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.65952,
    "c": 0.09966,
    "h": 223.8
  },
  "luminance": 0.29648
}

Semantic roles & 50–950 ramp

primary
#409FBF
secondary
#CA9F91
accent
#714ED9
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1214
muted
#7D8182

Preview Lab

Preview with #409FBF

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

Preview Lab → · Contrast checker → · Palette generator →

#409FBF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva