#174568
Closest named color: Dark Grey Blue (#29465B). oklch(37.7% 0.078 245.2), rgb(23, 69, 104).
Aa
White text reads best on this color (10.05:1).
About this color
#174568 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.078 and its hue 245°. 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 10.05:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #174568 |
| RGB | rgb(23, 69, 104) |
| HSL | hsl(206, 64%, 25%) |
| OKLCH | oklch(37.7% 0.078 245.2) |
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 #174568 | 10.05:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #174568 | 2.08:1 | Fails | Lc 10.9 | Not readable |
| #174568 text on white | 10.05:1 | AAA | Lc 93.1 | Preferred for body text |
| #174568 text on black | 2.08:1 | Fails | Lc -9.4 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCEE
oklch(88.5% 0.033 245.3)
-
Step 300
300
#A2C5E4
oklch(80.8% 0.058 245.3)
-
Step 400
400
#6DA7D7
oklch(70.7% 0.093 244.6)
-
Step 500
500
#4390CD
oklch(63.2% 0.119 245.3)
-
Step 600
600
#1C79B9
oklch(55.6% 0.129 244.9)
-
Step 700
700
#0965A0
oklch(49% 0.121 245.4)
-
Step 800
800
#0F5382
oklch(42.7% 0.1 245.3)
-
Step 900
900 (this color)
#174568
oklch(37.7% 0.078 245.2)
-
Step 950
950
#0F293D
oklch(27.1% 0.049 244.3)
#174568 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) | #35466A | 0.033 |
| Deuteranopia (no green cones) | #2A3F67 | 0.024 |
| Tritanopia (no blue cones) | #004D51 | 0.055 |
| Achromatopsia (no color) | #424242 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174568
#174568
oklch(37.7% 0.078 245.2)
- #5D380A
#5D380A
oklch(37.7% 0.077 65.9)
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 #174568, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.028
- Twilight Blue #0A437A ΔE 0.033
- Charcoal #264653 ΔE 0.039
- Marine Blue #01386A ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.053
- Light Navy #155084 ΔE 0.053
- Deep Sea Blue #015482 ΔE 0.056
Use #174568 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.