#0F245F
Closest named color: Marine (#042E60). oklch(28.6% 0.109 265.1), rgb(15, 36, 95).
Aa
White text reads best on this color (14.60:1).
About this color
#0F245F is a dark, moderately saturated blue. In OKLCH its lightness is 29%, its chroma 0.109 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.028 away. White text reads best on it, at 14.60:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.43:1 |
| White text | 14.60:1 |
Values
| HEX | #0F245F |
| RGB | rgb(15, 36, 95) |
| HSL | hsl(224, 73%, 22%) |
| OKLCH | oklch(28.6% 0.109 265.1) |
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 #0F245F | 14.60:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #0F245F | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #0F245F text on white | 14.60:1 | AAA | Lc 101.0 | Preferred for body text |
| #0F245F text on black | 1.43:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFF
oklch(93.6% 0.03 265.3)
-
Step 200
200
#C7D9FF
oklch(88.4% 0.056 265.2)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400
#729CFF
oklch(70.6% 0.153 265.4)
-
Step 500
500
#4E7FFF
oklch(63% 0.198 265.3)
-
Step 600
600
#2B5EFF
oklch(55.6% 0.244 265.2)
-
Step 700
700
#1540F4
oklch(49.2% 0.266 265.1)
-
Step 800
800
#1237C4
oklch(42.6% 0.22 265.1)
-
Step 900
900
#13339A
oklch(37.6% 0.171 265.1)
-
Step 950
950 (this color)
#0F245F
oklch(28.6% 0.109 265.1)
#0F245F 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) | #002D61 | 0.026 |
| Deuteranopia (no green cones) | #00255E | 0.012 |
| Tritanopia (no blue cones) | #00333D | 0.086 |
| Achromatopsia (no color) | #292929 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F245F
#0F245F
oklch(28.6% 0.109 265.1)
- #372700
#372700
oklch(28.4% 0.058 84.9)
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 #0F245F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.028
- Midnight Blue #191970 ΔE 0.039
- Marine Blue #01386A ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.060
- Darkblue #030764 ΔE 0.064
- Dark Indigo #1F0954 ΔE 0.064
- Dark Royal Blue #02066F ΔE 0.065
- Oxford Blue #1B263B ΔE 0.068
Use #0F245F 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.