#0F4A7D
Closest named color: Light Navy (#155084). oklch(40.2% 0.103 250), rgb(15, 74, 125).
Aa
White text reads best on this color (9.14:1).
About this color
#0F4A7D is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.103 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.021 away. White text reads best on it, at 9.14:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.29:1 |
| White text | 9.14:1 |
Values
| HEX | #0F4A7D |
| RGB | rgb(15, 74, 125) |
| HSL | hsl(208, 79%, 27%) |
| OKLCH | oklch(40.2% 0.103 250) |
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 #0F4A7D | 9.14:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #0F4A7D | 2.29:1 | Fails | Lc 13.3 | Not readable |
| #0F4A7D text on white | 9.14:1 | AAA | Lc 90.6 | Preferred for body text |
| #0F4A7D text on black | 2.29:1 | Fails | Lc -11.7 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C4DCF5
oklch(88.5% 0.043 249.4)
-
Step 300
300
#9BC5F1
oklch(80.9% 0.077 250)
-
Step 400
400
#60A5EB
oklch(70.6% 0.125 250.3)
-
Step 500
500
#2A8DE4
oklch(63.1% 0.158 249.9)
-
Step 600
600
#0076CA
oklch(55.7% 0.156 249.7)
-
Step 700
700
#0063AB
oklch(49.2% 0.138 249.7)
-
Step 800
800
#00518E
oklch(42.8% 0.121 249.9)
-
Step 900
900 (this color)
#0F4A7D
oklch(40.2% 0.103 250)
-
Step 950
950
#082845
oklch(27.1% 0.065 249.8)
#0F4A7D 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) | #314D7F | 0.032 |
| Deuteranopia (no green cones) | #1F447C | 0.019 |
| Tritanopia (no blue cones) | #00565D | 0.075 |
| Achromatopsia (no color) | #484848 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F4A7D
#0F4A7D
oklch(40.2% 0.103 250)
- #653E00
#653E00
oklch(40.1% 0.087 70)
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 #0F4A7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.021
- Twilight Blue #0A437A ΔE 0.022
- Deep Sea Blue #015482 ΔE 0.030
- Cobalt #1E488F ΔE 0.034
- Dusk Blue #26538D ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.058
- Light Navy Blue #2E5A88 ΔE 0.059
- Marine Blue #01386A ΔE 0.062
Use #0F4A7D 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.