#445FB5#445FB5

#445FB5 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.0% C 0.139 H 268.1°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX#445FB5
RGBrgb(68, 95, 181)
HSLhsl(226, 45%, 49%)
HSVhsv(226, 62%, 71%)
CMYKcmyk(62.4%, 47.5%, 0%, 29%)
CIE-LABlab(42.38, 17.43, -48.74)
CIE-LCHlch(42.38, 51.77, 289.68°)
OKLaboklab(50.96% -0.0047 -0.1393)
OKLCHoklch(50.96% 0.139 268.1)
XYZxyz(14.8138, 12.7483, 45.3871)
Luminance0.1275 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#445FB5 #B59A44
analogous
#4498B5 #445FB5 #6244B5
triadic
#445FB5 #B5445F #5FB544
tetradic
#445FB5 #B54498 #B59A44 #44B562
square
#445FB5 #B54498 #B59A44 #44B562
split-complementary
#445FB5 #B56244 #98B544
monochromatic
#23305C #334889 #445FB5 #6E83C8 #9AA9D9

Accessibility & contrast

On white

5.92
#445FB5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.55
#445FB5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #445FB5
5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##445FB5#FFFFFF#000000##FFFFFF
##445FB51.005.923.555.92
#FFFFFF5.921.0021.001.00
#0000003.5521.001.0021.00
##FFFFFF5.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3469B8
Deuteranopia (green-blind)
#205FB3
Tritanopia (blue-blind)
#007381
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #445fb5;
/* rgb */ color: rgb(68, 95, 181);
/* oklch */ color: oklch(51.0% 0.139 268.1);
Tailwind
colors: {
  custom: {
    50: '#838ccc',
    500: '#445fb5',
    950: '#000000',
  },
}
SCSS
$custom: #445fb5;
$custom-light: #838ccc;
$custom-dark: #000000;
JSON
{
  "hex": "#445fb5",
  "rgb": {
    "r": 68,
    "g": 95,
    "b": 181
  },
  "hsl": {
    "h": 225.664,
    "s": 45.382,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50957,
    "c": 0.13942,
    "h": 268.1
  },
  "luminance": 0.1275
}

Semantic roles & 50–950 ramp

primary
#445FB5
secondary
#C5B890
accent
#B653D5
background
#F8F8FC
surface
#F0F0F9
border
#CBCBD2
text
#0B0C13
muted
#7C7D82

Preview Lab

Preview with #445FB5

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

Preview Lab → · Contrast checker → · Palette generator →

#445FB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva