#224FB3#224FB3
#224FB3 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.9% C 0.167 H 263.2°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).
Color values
| HEX | #224FB3 |
|---|---|
| RGB | rgb(34, 79, 179) |
| HSL | hsl(221, 68%, 42%) |
| HSV | hsv(221, 81%, 70%) |
| CMYK | cmyk(81%, 55.9%, 0%, 29.8%) |
| CIE-LAB | lab(36.34, 22.34, -57.40) |
| CIE-LCH | lch(36.34, 61.60, 291.27°) |
| OKLab | oklab(45.91% -0.0199 -0.1657) |
| OKLCH | oklch(45.91% 0.167 263.2) |
| XYZ | xyz(11.5894, 9.1853, 43.8012) |
| Luminance | 0.0919 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 1.73
Cobalt
#0047AB
ΔE00 2.92
Cobalt (survey)
#1E488F
ΔE00 5.20
Blue Blue
#2242C7
ΔE00 5.49
Dusk Blue
#26538D
ΔE00 5.50
Denim Blue
#3B5B92
ΔE00 5.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#224FB3 #B38622
analogous
#2298B3 #224FB3 #3D22B3
triadic
#224FB3 #B3224F #4FB322
tetradic
#224FB3 #B32298 #B38622 #22B33D
square
#224FB3 #B32298 #B38622 #22B33D
split-complementary
#224FB3 #B33D22 #98B322
monochromatic
#0E224C #183880 #224FB3 #396BD9 #6C91E3
Accessibility & contrast
On white
7.40
#224FB3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.84
#224FB3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #224FB3
7.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##224FB3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##224FB3 | 1.00 | 7.40 | 2.84 | 7.40 |
| #FFFFFF | 7.40 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.84 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.40 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005CB6
Deuteranopia (green-blind)
#004FB1
Tritanopia (blue-blind)
#006879
Achromatopsia (no color)
#555555
Design tokens & code
CSS
--color: #224fb3; /* rgb */ color: rgb(34, 79, 179); /* oklch */ color: oklch(45.9% 0.167 263.2);
Tailwind
colors: {
custom: {
50: '#767fca',
500: '#224fb3',
950: '#000000',
},
}SCSS
$custom: #224fb3; $custom-light: #767fca; $custom-dark: #000000;
JSON
{
"hex": "#224fb3",
"rgb": {
"r": 34,
"g": 79,
"b": 179
},
"hsl": {
"h": 221.379,
"s": 68.075,
"l": 41.765
},
"oklch": {
"l": 0.45912,
"c": 0.16689,
"h": 263.2
},
"luminance": 0.09187
}Semantic roles & 50–950 ramp
primary
#224FB3
secondary
#C9AB68
accent
#B53DEB
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#0A0A13
muted
#7C7C82