#224566
Closest named color: Dark Grey Blue (#29465B). oklch(38.1% 0.07 248.9), rgb(34, 69, 102).
Aa
White text reads best on this color (9.94:1).
About this color
#224566 is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.070 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.021 away. White text reads best on it, at 9.94:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.11:1 |
| White text | 9.94:1 |
Values
| HEX | #224566 |
| RGB | rgb(34, 69, 102) |
| HSL | hsl(209, 50%, 27%) |
| OKLCH | oklch(38.1% 0.07 248.9) |
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 #224566 | 9.94:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #224566 | 2.11:1 | Fails | Lc 11.0 | Not readable |
| #224566 text on white | 9.94:1 | AAA | Lc 92.9 | Preferred for body text |
| #224566 text on black | 2.11:1 | Fails | Lc -9.6 | 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 900.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CBDBEC
oklch(88.5% 0.029 249.8)
-
Step 300
300
#A7C4E2
oklch(80.9% 0.053 249.4)
-
Step 400
400
#77A5D3
oklch(70.7% 0.084 249.1)
-
Step 500
500
#528EC7
oklch(63.1% 0.107 248.7)
-
Step 600
600
#3577B4
oklch(55.6% 0.116 249.2)
-
Step 700
700
#26649B
oklch(49.1% 0.109 248.8)
-
Step 800
800
#22527E
oklch(42.8% 0.09 249)
-
Step 900
900 (this color)
#224566
oklch(38.1% 0.07 248.9)
-
Step 950
950
#14283B
oklch(27% 0.044 248.6)
#224566 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) | #374667 | 0.026 |
| Deuteranopia (no green cones) | #2E4065 | 0.019 |
| Tritanopia (no blue cones) | #004D51 | 0.055 |
| Achromatopsia (no color) | #434343 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224566
#224566
oklch(38.1% 0.07 248.9)
- #5A3B13
#5A3B13
oklch(38% 0.069 69.4)
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 #224566, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.021
- Charcoal #264653 ΔE 0.034
- Twilight Blue #0A437A ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.049
- Marine Blue #01386A ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.054
- Light Navy #155084 ΔE 0.054
- Deep Sea Blue #015482 ΔE 0.058
Use #224566 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.