#0F205B
Closest named color: Marine (#042E60). oklch(27.3% 0.108 266.6), rgb(15, 32, 91).
Aa
White text reads best on this color (15.23:1).
About this color
#0F205B is a dark, moderately saturated blue. In OKLCH its lightness is 27%, its chroma 0.108 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.040 away. White text reads best on it, at 15.23:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.37:1 |
| White text | 15.23:1 |
Values
| HEX | #0F205B |
| RGB | rgb(15, 32, 91) |
| HSL | hsl(227, 72%, 21%) |
| OKLCH | oklch(27.3% 0.108 266.6) |
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 #0F205B | 15.23:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #0F205B | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #0F205B text on white | 15.23:1 | AAA | Lc 101.8 | Preferred for body text |
| #0F205B text on black | 1.37:1 | 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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#C8D9FF
oklch(88.5% 0.056 266.2)
-
Step 300
300
#A4BFFF
oklch(80.8% 0.096 266.6)
-
Step 400
400
#759BFF
oklch(70.6% 0.153 266.8)
-
Step 500
500
#537EFF
oklch(63.1% 0.197 266.8)
-
Step 600
600
#335DFF
oklch(55.7% 0.244 266.6)
-
Step 700
700
#213EF3
oklch(49.1% 0.265 266.6)
-
Step 800
800
#1B36C4
oklch(42.7% 0.219 266.6)
-
Step 900
900
#19329A
oklch(37.6% 0.171 266.7)
-
Step 950
950 (this color)
#0F205B
oklch(27.3% 0.108 266.6)
#0F205B 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) | #00295D | 0.026 |
| Deuteranopia (no green cones) | #00225A | 0.013 |
| Tritanopia (no blue cones) | #002F3A | 0.084 |
| Achromatopsia (no color) | #252525 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F205B
#0F205B
oklch(27.3% 0.108 266.6)
- #332500
#332500
oklch(27.4% 0.056 87.1)
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 #0F205B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.040
- Midnight Blue #191970 ΔE 0.041
- Dark Indigo #1F0954 ΔE 0.053
- Darkblue #030764 ΔE 0.055
- Dark Royal Blue #02066F ΔE 0.060
- Navy Blue #001146 ΔE 0.063
- Deep Blue #040273 ΔE 0.066
- Oxford Blue #1B263B ΔE 0.066
Use #0F205B 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.