#224B78
Closest named color: Light Navy (#155084). oklch(40.7% 0.089 252.7), rgb(34, 75, 120).
Aa
White text reads best on this color (8.95:1).
About this color
#224B78 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.089 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.023 away. White text reads best on it, at 8.95:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.34:1 |
| White text | 8.95:1 |
Values
| HEX | #224B78 |
| RGB | rgb(34, 75, 120) |
| HSL | hsl(211, 56%, 30%) |
| OKLCH | oklch(40.7% 0.089 252.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #224B78 | 8.95:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #224B78 | 2.34:1 | Fails | Lc 13.7 | Not readable |
| #224B78 text on white | 8.95:1 | AAA | Lc 90.3 | Preferred for body text |
| #224B78 text on black | 2.34:1 | Fails | Lc -12.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBEC
oklch(88.5% 0.029 251.5)
-
Step 300
300
#A9C3E2
oklch(80.8% 0.052 253)
-
Step 400
400
#7BA4D4
oklch(70.7% 0.084 252.9)
-
Step 500
500
#588DC8
oklch(63.2% 0.106 252.2)
-
Step 600
600
#3D76B5
oklch(55.7% 0.115 252.6)
-
Step 700
700
#2F639C
oklch(49.2% 0.107 252.7)
-
Step 800
800 (this color)
#224B78
oklch(40.7% 0.089 252.7)
-
Step 900
900
#254365
oklch(37.6% 0.069 252.8)
-
Step 950
950
#16273B
oklch(26.8% 0.044 253.3)
#224B78 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #374E7A | 0.026 |
| Deuteranopia (no green cones) | #2A4677 | 0.016 |
| Tritanopia (no blue cones) | #00565B | 0.071 |
| Achromatopsia (no color) | #494949 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224B78
#224B78
oklch(40.7% 0.089 252.7)
- #664100
#664100
oklch(40.8% 0.087 72.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #224B78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.023
- Deep Sea Blue #015482 ΔE 0.030
- Twilight Blue #0A437A ΔE 0.032
- Dusk Blue #26538D ΔE 0.040
- Cobalt #1E488F ΔE 0.041
- Dark Grey Blue #29465B ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.052
- Charcoal #264653 ΔE 0.062
Use #224B78 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.