#224BB4#224BB4

#224BB4 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.2% C 0.173 H 264.3°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX#224BB4
RGBrgb(34, 75, 180)
HSLhsl(223, 68%, 42%)
HSVhsv(223, 81%, 71%)
CMYKcmyk(81.1%, 58.3%, 0%, 29.4%)
CIE-LABlab(35.33, 25.40, -59.63)
CIE-LCHlch(35.33, 64.81, 293.07°)
OKLaboklab(45.18% -0.0172 -0.1723)
OKLCHoklch(45.18% 0.173 264.3)
XYZxyz(11.4111, 8.6662, 44.2425)
Luminance0.0867 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#224BB4 #B48B22
analogous
#2294B4 #224BB4 #4222B4
triadic
#224BB4 #B4224B #4BB422
tetradic
#224BB4 #B42294 #B48B22 #22B442
square
#224BB4 #B42294 #B48B22 #22B442
split-complementary
#224BB4 #B44222 #94B422
monochromatic
#0F204D #183681 #224BB4 #3A66DA #6D8EE3

Accessibility & contrast

On white

7.68
#224BB4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.73
#224BB4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #224BB4
7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##224BB4#FFFFFF#000000##FFFFFF
##224BB41.007.682.737.68
#FFFFFF7.681.0021.001.00
#0000002.7321.001.0021.00
##FFFFFF7.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005AB8
Deuteranopia (green-blind)
#004DB2
Tritanopia (blue-blind)
#006678
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #224bb4;
/* rgb */ color: rgb(34, 75, 180);
/* oklch */ color: oklch(45.2% 0.173 264.3);
Tailwind
colors: {
  custom: {
    50: '#767ccb',
    500: '#224bb4',
    950: '#000000',
  },
}
SCSS
$custom: #224bb4;
$custom-light: #767ccb;
$custom-dark: #000000;
JSON
{
  "hex": "#224bb4",
  "rgb": {
    "r": 34,
    "g": 75,
    "b": 180
  },
  "hsl": {
    "h": 223.151,
    "s": 68.224,
    "l": 41.961
  },
  "oklch": {
    "l": 0.4518,
    "c": 0.17318,
    "h": 264.3
  },
  "luminance": 0.08668
}

Semantic roles & 50–950 ramp

primary
#224BB4
secondary
#CAAE68
accent
#BA3DEB
background
#F7F7FC
surface
#EEEEF9
border
#C9C9D2
text
#0A0913
muted
#7C7B82

Preview Lab

Preview with #224BB4

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

Preview Lab → · Contrast checker → · Palette generator →

#224BB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva