#224AB3#224AB3

#224AB3 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.9% C 0.173 H 264.5°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX#224AB3
RGBrgb(34, 74, 179)
HSLhsl(223, 68%, 42%)
HSVhsv(223, 81%, 70%)
CMYKcmyk(81%, 58.7%, 0%, 29.8%)
CIE-LABlab(34.99, 25.67, -59.60)
CIE-LCHlch(34.99, 64.90, 293.30°)
OKLaboklab(44.89% -0.0166 -0.1723)
OKLCHoklch(44.89% 0.173 264.5)
XYZxyz(11.2423, 8.4910, 43.6855)
Luminance0.0849 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#224AB3 #B38B22
analogous
#2293B3 #224AB3 #4222B3
triadic
#224AB3 #B3224A #4AB322
tetradic
#224AB3 #B32293 #B38B22 #22B342
square
#224AB3 #B32293 #B38B22 #22B342
split-complementary
#224AB3 #B34222 #93B322
monochromatic
#0E1F4C #183580 #224AB3 #3965D9 #6C8DE3

Accessibility & contrast

On white

7.78
#224AB3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.70
#224AB3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #224AB3
7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##224AB3#FFFFFF#000000##FFFFFF
##224AB31.007.782.707.78
#FFFFFF7.781.0021.001.00
#0000002.7021.001.0021.00
##FFFFFF7.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0059B7
Deuteranopia (green-blind)
#004CB1
Tritanopia (blue-blind)
#006577
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #224ab3;
/* rgb */ color: rgb(34, 74, 179);
/* oklch */ color: oklch(44.9% 0.173 264.5);
Tailwind
colors: {
  custom: {
    50: '#767ccb',
    500: '#224ab3',
    950: '#000000',
  },
}
SCSS
$custom: #224ab3;
$custom-light: #767ccb;
$custom-dark: #000000;
JSON
{
  "hex": "#224ab3",
  "rgb": {
    "r": 34,
    "g": 74,
    "b": 179
  },
  "hsl": {
    "h": 223.448,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.44894,
    "c": 0.17306,
    "h": 264.5
  },
  "luminance": 0.08492
}

Semantic roles & 50–950 ramp

primary
#224AB3
secondary
#C9AE68
accent
#BB3DEB
background
#F7F7FC
surface
#EEEEF9
border
#C9C9D2
text
#0A0913
muted
#7C7B82

Preview Lab

Preview with #224AB3

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

Preview Lab → · Contrast checker → · Palette generator →

#224AB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva