#0B225D
Closest named color: Marine (#042E60). oklch(27.8% 0.109 264.2), rgb(11, 34, 93).
Aa
White text reads best on this color (14.98:1).
About this color
#0B225D is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.109 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.034 away. White text reads best on it, at 14.98:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.40:1 |
| White text | 14.98:1 |
Values
| HEX | #0B225D |
| RGB | rgb(11, 34, 93) |
| HSL | hsl(223, 79%, 20%) |
| OKLCH | oklch(27.8% 0.109 264.2) |
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 #0B225D | 14.98:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #0B225D | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #0B225D text on white | 14.98:1 | AAA | Lc 101.4 | Preferred for body text |
| #0B225D text on black | 1.40:1 | 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
#C7DAFF
oklch(88.6% 0.055 263.7)
-
Step 300
300
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400
#709DFF
oklch(70.7% 0.152 264.2)
-
Step 500
500
#4A80FF
oklch(63.1% 0.198 264.2)
-
Step 600
600
#245FFF
oklch(55.6% 0.245 264.2)
-
Step 700
700
#0940F5
oklch(49.1% 0.269 264.2)
-
Step 800
800
#0A37C5
oklch(42.6% 0.222 264.3)
-
Step 900
900
#0E349B
oklch(37.8% 0.172 264)
-
Step 950
950 (this color)
#0B225D
oklch(27.8% 0.109 264.2)
#0B225D 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) | #002B5F | 0.025 |
| Deuteranopia (no green cones) | #00235C | 0.009 |
| Tritanopia (no blue cones) | #00313B | 0.085 |
| Achromatopsia (no color) | #272727 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B225D
#0B225D
oklch(27.8% 0.109 264.2)
- #352500
#352500
oklch(27.6% 0.057 84)
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 #0B225D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.034
- Midnight Blue #191970 ΔE 0.040
- Darkblue #030764 ΔE 0.058
- Dark Indigo #1F0954 ΔE 0.060
- Dark Royal Blue #02066F ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.066
- Deep Blue #040273 ΔE 0.066
- Marine Blue #01386A ΔE 0.066
Use #0B225D 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.