#0F3767
Closest named color: Marine Blue (#01386A). oklch(33.8% 0.095 255.4), rgb(15, 55, 103).
Aa
White text reads best on this color (11.91:1).
About this color
#0F3767 is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.095 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.009 away. White text reads best on it, at 11.91:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.76:1 |
| White text | 11.91:1 |
Values
| HEX | #0F3767 |
| RGB | rgb(15, 55, 103) |
| HSL | hsl(213, 75%, 23%) |
| OKLCH | oklch(33.8% 0.095 255.4) |
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 #0F3767 | 11.91:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #0F3767 | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #0F3767 text on white | 11.91:1 | AAA | Lc 96.9 | Preferred for body text |
| #0F3767 text on black | 1.76:1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C8DBF4
oklch(88.5% 0.04 255.3)
-
Step 300
300
#A2C3EF
oklch(80.8% 0.072 255.7)
-
Step 400
400
#6FA3E7
oklch(70.7% 0.115 255.5)
-
Step 500
500
#478ADF
oklch(63% 0.146 255.5)
-
Step 600
600
#2672CD
oklch(55.5% 0.159 255.5)
-
Step 700
700
#185FB2
oklch(49% 0.148 255.7)
-
Step 800
800
#174E90
oklch(42.6% 0.123 255.6)
-
Step 900
900 (this color)
#0F3767
oklch(33.8% 0.095 255.4)
-
Step 950
950
#112743
oklch(27.1% 0.059 255.4)
#0F3767 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) | #1E3B69 | 0.020 |
| Deuteranopia (no green cones) | #0C3366 | 0.013 |
| Tritanopia (no blue cones) | #00424A | 0.070 |
| Achromatopsia (no color) | #373737 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F3767
#0F3767
oklch(33.8% 0.095 255.4)
- #4C3100
#4C3100
oklch(33.7% 0.071 75.5)
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 #0F3767, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.009
- Prussian Blue #1D3557 ΔE 0.029
- Marine #042E60 ΔE 0.032
- Twilight Blue #0A437A ΔE 0.045
- Dark Blue Grey #1F3B4D ΔE 0.052
- Midnight Green #073B4C ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.064
- Gunmetal #293241 ΔE 0.069
Use #0F3767 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.