#0F2249
Closest named color: Oxford Blue (#1B263B). oklch(26.1% 0.077 262.7), rgb(15, 34, 73).
Aa
White text reads best on this color (15.60:1).
About this color
#0F2249 is a dark, moderately saturated blue. In OKLCH its lightness is 26%, its chroma 0.077 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.035 away. White text reads best on it, at 15.60:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.34:1 |
| White text | 15.60:1 |
Values
| HEX | #0F2249 |
| RGB | rgb(15, 34, 73) |
| HSL | hsl(220, 66%, 17%) |
| OKLCH | oklch(26.1% 0.077 262.7) |
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 #0F2249 | 15.60:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #0F2249 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #0F2249 text on white | 15.60:1 | AAA | Lc 102.3 | Preferred for body text |
| #0F2249 text on black | 1.34:1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFC
oklch(88.6% 0.051 263.2)
-
Step 300
300
#A1C1FC
oklch(80.9% 0.091 262.4)
-
Step 400
400
#6F9EFB
oklch(70.7% 0.146 262.9)
-
Step 500
500
#4983F8
oklch(63.2% 0.185 262.5)
-
Step 600
600
#2D68E7
oklch(55.5% 0.203 262.8)
-
Step 700
700
#2056C9
oklch(49.1% 0.188 262.7)
-
Step 800
800
#1C47A3
oklch(42.7% 0.157 262.8)
-
Step 900
900
#1C3D81
oklch(37.7% 0.121 262.6)
-
Step 950
950 (this color)
#0F2249
oklch(26.1% 0.077 262.7)
#0F2249 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) | #0D264A | 0.012 |
| Deuteranopia (no green cones) | #012148 | 0.015 |
| Tritanopia (no blue cones) | #002B32 | 0.060 |
| Achromatopsia (no color) | #242424 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F2249
#0F2249
oklch(26.1% 0.077 262.7)
- #312100
#312100
oklch(26.1% 0.054 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 #0F2249, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.035
- Dark #1B2431 ΔE 0.049
- Marine #042E60 ΔE 0.052
- Navy Blue #001146 ΔE 0.057
- Space Cadet #2B2D42 ΔE 0.061
- Rich Black #0D1B2A ΔE 0.061
- Dark Indigo #1F0954 ΔE 0.064
- Prussian Blue #1D3557 ΔE 0.067
Use #0F2249 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.