#0F3272
Closest named color: Marine Blue (#01386A). oklch(33.5% 0.118 261.2), rgb(15, 50, 114).
Aa
White text reads best on this color (12.21:1).
About this color
#0F3272 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.118 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.024 away. White text reads best on it, at 12.21:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.71:1 |
| White text | 12.21:1 |
Values
| HEX | #0F3272 |
| RGB | rgb(15, 50, 114) |
| HSL | hsl(219, 77%, 25%) |
| OKLCH | oklch(33.5% 0.118 261.2) |
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 #0F3272 | 12.21:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #0F3272 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #0F3272 text on white | 12.21:1 | AAA | Lc 97.4 | Preferred for body text |
| #0F3272 text on black | 1.71:1 | 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 900.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EAFC
oklch(93.5% 0.027 262.3)
-
Step 200
200
#C7DAFA
oklch(88.4% 0.049 260.9)
-
Step 300
300
#A1C2FA
oklch(81% 0.087 260.8)
-
Step 400
400
#6D9FF8
oklch(70.6% 0.142 261.2)
-
Step 500
500
#4684F5
oklch(63% 0.181 261.2)
-
Step 600
600
#286BE4
oklch(55.7% 0.196 261.1)
-
Step 700
700
#1B58C6
oklch(49.1% 0.183 261.2)
-
Step 800
800
#1949A0
oklch(42.8% 0.151 261.2)
-
Step 900
900 (this color)
#0F3272
oklch(33.5% 0.118 261.2)
-
Step 950
950
#10254A
oklch(27% 0.074 260.8)
#0F3272 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) | #003A74 | 0.023 |
| Deuteranopia (no green cones) | #003171 | 0.010 |
| Tritanopia (no blue cones) | #00424C | 0.092 |
| Achromatopsia (no color) | #353535 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F3272
#0F3272
oklch(33.5% 0.118 261.2)
- #493200
#493200
oklch(33.5% 0.069 80.5)
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 #0F3272, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.024
- Marine #042E60 ΔE 0.035
- Twilight Blue #0A437A ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.051
- Midnight Blue #191970 ΔE 0.059
- Royal #0C1793 ΔE 0.077
- Dark Blue Grey #1F3B4D ΔE 0.077
- Midnight Green #073B4C ΔE 0.078
Use #0F3272 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.