#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 |
|---|---|
| RGB | rgb(34, 74, 179) |
| HSL | hsl(223, 68%, 42%) |
| HSV | hsv(223, 81%, 70%) |
| CMYK | cmyk(81%, 58.7%, 0%, 29.8%) |
| CIE-LAB | lab(34.99, 25.67, -59.60) |
| CIE-LCH | lch(34.99, 64.90, 293.30°) |
| OKLab | oklab(44.89% -0.0166 -0.1723) |
| OKLCH | oklch(44.89% 0.173 264.5) |
| XYZ | xyz(11.2423, 8.4910, 43.6855) |
| Luminance | 0.0849 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.36
Sapphire
#0F52BA
ΔE00 3.26
Blue Blue
#2242C7
ΔE00 4.09
Cobalt (survey)
#1E488F
ΔE00 5.25
Sapphire (survey)
#2138AB
ΔE00 5.70
Blue (survey)
#0343DF
ΔE00 6.05
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 |
|---|---|---|---|---|
| ##224AB3 | 1.00 | 7.78 | 2.70 | 7.78 |
| #FFFFFF | 7.78 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.70 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.78 | 1.00 | 21.00 | 1.00 |
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