#409CB5#409CB5

#409CB5 is a light, moderate cyan. Relative luminance 0.282; OKLCH L 64.8% C 0.093 H 218.9°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX#409CB5
RGBrgb(64, 156, 181)
HSLhsl(193, 48%, 48%)
HSVhsv(193, 65%, 71%)
CMYKcmyk(64.6%, 13.8%, 0%, 29%)
CIE-LABlab(60.07, -19.32, -21.03)
CIE-LCHlch(60.07, 28.56, 227.43°)
OKLaboklab(64.81% -0.0727 -0.0585)
OKLCHoklch(64.81% 0.093 218.9)
XYZxyz(22.3399, 28.2007, 47.9730)
Luminance0.2820 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#409CB5 #B55940
analogous
#40B594 #409CB5 #4061B5
triadic
#409CB5 #B5409C #9CB540
tetradic
#409CB5 #9440B5 #B55940 #61B540
square
#409CB5 #9440B5 #B55940 #61B540
split-complementary
#409CB5 #B54061 #B59440
monochromatic
#204E5B #307588 #409CB5 #68B5CA #96CBDA

Accessibility & contrast

On white

3.16
#409CB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.64
#409CB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409CB5
6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##409CB5#FFFFFF#000000##000000
##409CB51.003.166.646.64
#FFFFFF3.161.0021.0021.00
#0000006.6421.001.001.00
##0000006.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C98B6
Deuteranopia (green-blind)
#7B8BB5
Tritanopia (blue-blind)
#00A4A4
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #409cb5;
/* rgb */ color: rgb(64, 156, 181);
/* oklch */ color: oklch(64.8% 0.093 218.9);
Tailwind
colors: {
  custom: {
    50: '#82b9cb',
    500: '#409cb5',
    950: '#000000',
  },
}
SCSS
$custom: #409cb5;
$custom-light: #82b9cb;
$custom-dark: #000000;
JSON
{
  "hex": "#409cb5",
  "rgb": {
    "r": 64,
    "g": 156,
    "b": 181
  },
  "hsl": {
    "h": 192.821,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.64805,
    "c": 0.09334,
    "h": 218.9
  },
  "luminance": 0.28203
}

Semantic roles & 50–950 ramp

primary
#409CB5
secondary
#C5988B
accent
#6D50D7
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0C1113
muted
#7D8082

Preview Lab

Preview with #409CB5

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

Preview Lab → · Contrast checker → · Palette generator →

#409CB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva