#224C6A
Closest named color: Dark Grey Blue (#29465B). oklch(40.1% 0.069 242.3), rgb(34, 76, 106).
Aa
White text reads best on this color (9.09:1).
About this color
#224C6A is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.069 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.028 away. White text reads best on it, at 9.09:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.30:1 |
| White text | 9.09:1 |
Values
| HEX | #224C6A |
| RGB | rgb(34, 76, 106) |
| HSL | hsl(205, 51%, 27%) |
| OKLCH | oklch(40.1% 0.069 242.3) |
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 #224C6A | 9.09:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #224C6A | 2.30:1 | Fails | Lc 13.2 | Not readable |
| #224C6A text on white | 9.09:1 | AAA | Lc 90.7 | Preferred for body text |
| #224C6A text on black | 2.30:1 | Fails | Lc -11.6 | 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
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#C9DCEB
oklch(88.5% 0.029 241.6)
-
Step 300
300
#A4C5E0
oklch(80.8% 0.052 243.1)
-
Step 400
400
#71A7D0
oklch(70.6% 0.083 242.1)
-
Step 500
500
#4991C4
oklch(63.2% 0.106 241.9)
-
Step 600
600
#267AB1
oklch(55.6% 0.116 242.4)
-
Step 700
700
#176698
oklch(49% 0.108 242.7)
-
Step 800
800
#17547B
oklch(42.8% 0.088 241.8)
-
Step 900
900 (this color)
#224C6A
oklch(40.1% 0.069 242.3)
-
Step 950
950
#11293A
oklch(27% 0.044 241.7)
#224C6A 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) | #3F4C6B | 0.035 |
| Deuteranopia (no green cones) | #354569 | 0.028 |
| Tritanopia (no blue cones) | #005356 | 0.051 |
| Achromatopsia (no color) | #484848 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224C6A
#224C6A
oklch(40.1% 0.069 242.3)
- #623F1D
#623F1D
oklch(40.1% 0.069 62.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #224C6A
These curated palettes and gradients contain exactly #224C6A. Open one to see the full color scheme around it.
Palettes
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.028
- Charcoal #264653 ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.043
- Light Navy #155084 ΔE 0.043
- Twilight Blue #0A437A ΔE 0.047
- Deep Teal #00555A ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.051
- Dark Teal #014D4E ΔE 0.056
Use #224C6A 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.