#409FBB#409FBB

#409FBB is a light, moderate cyan. Relative luminance 0.295; OKLCH L 65.8% C 0.097 H 220.7°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX#409FBB
RGBrgb(64, 159, 187)
HSLhsl(194, 49%, 49%)
HSVhsv(194, 66%, 73%)
CMYKcmyk(65.8%, 15%, 0%, 26.7%)
CIE-LABlab(61.20, -19.02, -22.69)
CIE-LCHlch(61.20, 29.60, 230.03°)
OKLaboklab(65.78% -0.0735 -0.0632)
OKLCHoklch(65.78% 0.097 220.7)
XYZxyz(23.4785, 29.4716, 51.4553)
Luminance0.2947 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#409FBB #BB5C40
analogous
#40BB9A #409FBB #4061BB
triadic
#409FBB #BB409F #9FBB40
tetradic
#409FBB #9A40BB #BB5C40 #61BB40
square
#409FBB #9A40BB #BB5C40 #61BB40
split-complementary
#409FBB #BB4061 #BB9A40
monochromatic
#215160 #30788D #409FBB #6CB6CD #99CDDC

Accessibility & contrast

On white

3.05
#409FBB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.89
#409FBB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409FBB
6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##409FBB#FFFFFF#000000##000000
##409FBB1.003.056.896.89
#FFFFFF3.051.0021.0021.00
#0000006.8921.001.001.00
##0000006.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#8E9BBD
Deuteranopia (green-blind)
#7D8EBB
Tritanopia (blue-blind)
#00A8A8
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #409fbb;
/* rgb */ color: rgb(64, 159, 187);
/* oklch */ color: oklch(65.8% 0.097 220.7);
Tailwind
colors: {
  custom: {
    50: '#83bbcf',
    500: '#409fbb',
    950: '#000000',
  },
}
SCSS
$custom: #409fbb;
$custom-light: #83bbcf;
$custom-dark: #000000;
JSON
{
  "hex": "#409fbb",
  "rgb": {
    "r": 64,
    "g": 159,
    "b": 187
  },
  "hsl": {
    "h": 193.659,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.65781,
    "c": 0.09696,
    "h": 220.7
  },
  "luminance": 0.29474
}

Semantic roles & 50–950 ramp

primary
#409FBB
secondary
#C89C8F
accent
#6F4FD9
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1213
muted
#7D8182

Preview Lab

Preview with #409FBB

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

Preview Lab → · Contrast checker → · Palette generator →

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