#0F1A4F
Closest named color: Navy Blue (#001146). oklch(24.8% 0.098 268.9), rgb(15, 26, 79).
Aa
White text reads best on this color (16.39:1).
About this color
#0F1A4F is a very dark, moderately saturated blue. In OKLCH its lightness is 25%, its chroma 0.098 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.039 away. White text reads best on it, at 16.39:1.
| Hue family | Blues |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.28:1 |
| White text | 16.39:1 |
Values
| HEX | #0F1A4F |
| RGB | rgb(15, 26, 79) |
| HSL | hsl(230, 68%, 18%) |
| OKLCH | oklch(24.8% 0.098 268.9) |
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 #0F1A4F | 16.39:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #0F1A4F | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #0F1A4F text on white | 16.39:1 | AAA | Lc 103.0 | Preferred for body text |
| #0F1A4F text on black | 1.28:1 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#CAD8FF
oklch(88.4% 0.056 269.7)
-
Step 300
300
#A7BEFF
oklch(80.8% 0.096 269.2)
-
Step 400
400
#7A9AFF
oklch(70.7% 0.152 269)
-
Step 500
500
#5A7CFF
oklch(63% 0.198 269.1)
-
Step 600
600
#3E5AFF
oklch(55.6% 0.244 269)
-
Step 700
700
#3044E5
oklch(49.1% 0.24 268.9)
-
Step 800
800
#273AB9
oklch(42.7% 0.198 268.9)
-
Step 900
900
#223492
oklch(37.6% 0.155 269)
-
Step 950
950 (this color)
#0F1A4F
oklch(24.8% 0.098 268.9)
#0F1A4F 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) | #002351 | 0.027 |
| Deuteranopia (no green cones) | #001D4E | 0.016 |
| Tritanopia (no blue cones) | #002831 | 0.079 |
| Achromatopsia (no color) | #1F1F1F | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F1A4F
#0F1A4F
oklch(24.8% 0.098 268.9)
- #2B1F00
#2B1F00
oklch(24.7% 0.05 87.7)
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 #0F1A4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.039
- Dark Indigo #1F0954 ΔE 0.041
- Darkblue #030764 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.060
- Night Blue #040348 ΔE 0.061
- Midnight Blue #191970 ΔE 0.061
- Marine #042E60 ΔE 0.063
- Dark Royal Blue #02066F ΔE 0.067
Use #0F1A4F 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.