#0B205E
Closest named color: Midnight Blue (#191970). oklch(27.4% 0.114 265.1), rgb(11, 32, 94).
Aa
White text reads best on this color (15.19:1).
About this color
#0B205E is a dark, moderately saturated blue. In OKLCH its lightness is 27%, its chroma 0.114 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.037 away. White text reads best on it, at 15.19:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.38:1 |
| White text | 15.19:1 |
Values
| HEX | #0B205E |
| RGB | rgb(11, 32, 94) |
| HSL | hsl(225, 79%, 21%) |
| OKLCH | oklch(27.4% 0.114 265.1) |
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 #0B205E | 15.19:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #0B205E | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #0B205E text on white | 15.19:1 | AAA | Lc 101.6 | Preferred for body text |
| #0B205E text on black | 1.38:1 | 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
#E0EAFF
oklch(93.6% 0.03 265.3)
-
Step 200
200
#C7D9FF
oklch(88.4% 0.056 265.2)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400
#729CFF
oklch(70.6% 0.153 265.4)
-
Step 500
500
#4D7FFF
oklch(63% 0.198 265.1)
-
Step 600
600
#2A5EFF
oklch(55.6% 0.245 265.1)
-
Step 700
700
#123BFA
oklch(49.1% 0.278 265)
-
Step 800
800
#0F34CA
oklch(42.8% 0.23 265)
-
Step 900
900
#11319F
oklch(37.7% 0.18 265.1)
-
Step 950
950 (this color)
#0B205E
oklch(27.4% 0.114 265.1)
#0B205E 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) | #002A60 | 0.027 |
| Deuteranopia (no green cones) | #00225D | 0.010 |
| Tritanopia (no blue cones) | #00303B | 0.088 |
| Achromatopsia (no color) | #262626 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B205E
#0B205E
oklch(27.4% 0.114 265.1)
- #342500
#342500
oklch(27.5% 0.056 85.5)
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 #0B205E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.037
- Marine #042E60 ΔE 0.039
- Darkblue #030764 ΔE 0.052
- Dark Royal Blue #02066F ΔE 0.055
- Dark Indigo #1F0954 ΔE 0.056
- Deep Blue #040273 ΔE 0.061
- Navy Blue #001146 ΔE 0.065
- Marine Blue #01386A ΔE 0.070
Use #0B205E 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.