#224366
Closest named color: Dark Grey Blue (#29465B). oklch(37.6% 0.072 251.5), rgb(34, 67, 102).
Aa
White text reads best on this color (10.18:1).
About this color
#224366 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.072 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.025 away. White text reads best on it, at 10.18:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.06:1 |
| White text | 10.18:1 |
Values
| HEX | #224366 |
| RGB | rgb(34, 67, 102) |
| HSL | hsl(211, 50%, 27%) |
| OKLCH | oklch(37.6% 0.072 251.5) |
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 #224366 | 10.18:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #224366 | 2.06:1 | Fails | Lc 10.5 | Not readable |
| #224366 text on white | 10.18:1 | AAA | Lc 93.5 | Preferred for body text |
| #224366 text on black | 2.06:1 | Fails | Lc -9.0 | 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 900.
-
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
#CBDBED
oklch(88.5% 0.03 251.3)
-
Step 300
300
#A8C4E3
oklch(81% 0.053 251.1)
-
Step 400
400
#78A4D5
oklch(70.6% 0.087 251.7)
-
Step 500
500
#548DCA
oklch(63.1% 0.11 251.4)
-
Step 600
600
#3876B7
oklch(55.6% 0.12 251.8)
-
Step 700
700
#2A639D
oklch(49.1% 0.111 251.4)
-
Step 800
800
#245180
oklch(42.7% 0.093 251.7)
-
Step 900
900 (this color)
#224366
oklch(37.6% 0.072 251.5)
-
Step 950
950
#15283C
oklch(27.1% 0.045 250.9)
#224366 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) | #344567 | 0.024 |
| Deuteranopia (no green cones) | #2B3E65 | 0.017 |
| Tritanopia (no blue cones) | #004B50 | 0.057 |
| Achromatopsia (no color) | #414141 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224366
#224366
oklch(37.6% 0.072 251.5)
- #593A0D
#593A0D
oklch(37.6% 0.072 71.4)
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 #224366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.025
- Twilight Blue #0A437A ΔE 0.037
- Charcoal #264653 ΔE 0.037
- Dark Blue Grey #1F3B4D ΔE 0.047
- Marine Blue #01386A ΔE 0.047
- Prussian Blue #1D3557 ΔE 0.049
- Midnight Green #073B4C ΔE 0.056
- Light Navy #155084 ΔE 0.057
Use #224366 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.