#0F2452
Closest named color: Marine (#042E60). oklch(27.4% 0.089 263.3), rgb(15, 36, 82).
Aa
White text reads best on this color (15.05:1).
About this color
#0F2452 is a dark, moderately saturated blue. In OKLCH its lightness is 27%, its chroma 0.089 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.037 away. White text reads best on it, at 15.05:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.39:1 |
| White text | 15.05:1 |
Values
| HEX | #0F2452 |
| RGB | rgb(15, 36, 82) |
| HSL | hsl(221, 69%, 19%) |
| OKLCH | oklch(27.4% 0.089 263.3) |
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 #0F2452 | 15.05:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #0F2452 | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #0F2452 text on white | 15.05:1 | AAA | Lc 101.7 | Preferred for body text |
| #0F2452 text on black | 1.39:1 | 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
#DFEAFF
oklch(93.5% 0.031 263.5)
-
Step 200
200
#C6DAFF
oklch(88.5% 0.056 262.8)
-
Step 300
300
#A0C1FF
oklch(80.9% 0.095 262.7)
-
Step 400
400
#6E9DFF
oklch(70.6% 0.153 263.6)
-
Step 500
500
#4781FF
oklch(63.2% 0.197 263.3)
-
Step 600
600
#2363F8
oklch(55.7% 0.232 263.3)
-
Step 700
700
#1650D9
oklch(49.1% 0.217 263.3)
-
Step 800
800
#1543AF
oklch(42.8% 0.179 263.3)
-
Step 900
900
#173A8A
oklch(37.6% 0.14 263.4)
-
Step 950
950 (this color)
#0F2452
oklch(27.4% 0.089 263.3)
#0F2452 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) | #072A54 | 0.018 |
| Deuteranopia (no green cones) | #002351 | 0.015 |
| Tritanopia (no blue cones) | #002F37 | 0.069 |
| Achromatopsia (no color) | #262626 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F2452
#0F2452
oklch(27.4% 0.089 263.3)
- #352400
#352400
oklch(27.4% 0.056 81.9)
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 #0F2452, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.037
- Oxford Blue #1B263B ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.058
- Midnight Blue #191970 ΔE 0.060
- Space Cadet #2B2D42 ΔE 0.062
- Dark #1B2431 ΔE 0.063
- Dark Indigo #1F0954 ΔE 0.063
- Navy Blue #001146 ΔE 0.065
Use #0F2452 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.