#224166
Closest named color: Dark Grey Blue (#29465B). oklch(37% 0.074 254), rgb(34, 65, 102).
Aa
White text reads best on this color (10.41:1).
About this color
#224166 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.074 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.029 away. White text reads best on it, at 10.41:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.01:1 |
| White text | 10.41:1 |
Values
| HEX | #224166 |
| RGB | rgb(34, 65, 102) |
| HSL | hsl(213, 50%, 27%) |
| OKLCH | oklch(37% 0.074 254) |
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 #224166 | 10.41:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #224166 | 2.01:1 | Fails | Lc 9.9 | Not readable |
| #224166 text on white | 10.41:1 | AAA | Lc 94.0 | Preferred for body text |
| #224166 text on black | 2.01:1 | Fails | Lc -8.5 | 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
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDBEE
oklch(88.6% 0.031 254.3)
-
Step 300
300
#A8C3E4
oklch(80.8% 0.055 253.6)
-
Step 400
400
#7AA4D7
oklch(70.8% 0.088 253.7)
-
Step 500
500
#568CCD
oklch(63.1% 0.114 254)
-
Step 600
600
#3B75B9
oklch(55.6% 0.122 253.9)
-
Step 700
700
#2D62A0
oklch(49.2% 0.115 254.1)
-
Step 800
800
#265082
oklch(42.7% 0.096 254.3)
-
Step 900
900 (this color)
#224166
oklch(37% 0.074 254)
-
Step 950
950
#15273D
oklch(26.9% 0.048 254.2)
#224166 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) | #314368 | 0.020 |
| Deuteranopia (no green cones) | #283D65 | 0.013 |
| Tritanopia (no blue cones) | #004A4E | 0.062 |
| Achromatopsia (no color) | #404040 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224166
#224166
oklch(37% 0.074 254)
- #573907
#573907
oklch(37.1% 0.074 73.8)
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 #224166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.029
- Twilight Blue #0A437A ΔE 0.036
- Charcoal #264653 ΔE 0.041
- Marine Blue #01386A ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.043
- Dark Blue Grey #1F3B4D ΔE 0.045
- Midnight Green #073B4C ΔE 0.055
- Light Navy #155084 ΔE 0.061
Use #224166 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.