#0B2C6B
Closest named color: Marine (#042E60). oklch(31.4% 0.117 261.7), rgb(11, 44, 107).
Aa
White text reads best on this color (13.23:1).
About this color
#0B2C6B is a dark, moderately saturated blue. In OKLCH its lightness is 31%, its chroma 0.117 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.021 away. White text reads best on it, at 13.23:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.58:1 |
| White text | 13.23:1 |
Values
| HEX | #0B2C6B |
| RGB | rgb(11, 44, 107) |
| HSL | hsl(219, 81%, 23%) |
| OKLCH | oklch(31.4% 0.117 261.7) |
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 #0B2C6B | 13.23:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #0B2C6B | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #0B2C6B text on white | 13.23:1 | AAA | Lc 99.1 | Preferred for body text |
| #0B2C6B text on black | 1.58:1 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFF
oklch(93.7% 0.03 260.7)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300
#9FC1FF
oklch(80.9% 0.096 262.2)
-
Step 400
400
#6A9EFF
oklch(70.6% 0.153 261.9)
-
Step 500
500
#4082FF
oklch(63.1% 0.198 261.6)
-
Step 600
600
#0762FF
oklch(55.7% 0.245 261.6)
-
Step 700
700
#0050DB
oklch(49% 0.222 261.7)
-
Step 800
800
#0041B6
oklch(42.7% 0.194 261.7)
-
Step 900
900
#00369A
oklch(37.8% 0.171 261.7)
-
Step 950
950 (this color)
#0B2C6B
oklch(31.4% 0.117 261.7)
#0B2C6B 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) | #00346D | 0.022 |
| Deuteranopia (no green cones) | #002C6A | 0.008 |
| Tritanopia (no blue cones) | #003C46 | 0.091 |
| Achromatopsia (no color) | #303030 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B2C6B
#0B2C6B
oklch(31.4% 0.117 261.7)
- #422D00
#422D00
oklch(31.4% 0.065 80.7)
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 #0B2C6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.021
- Marine Blue #01386A ΔE 0.035
- Midnight Blue #191970 ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.051
- Twilight Blue #0A437A ΔE 0.070
- Royal #0C1793 ΔE 0.077
- Dark Royal Blue #02066F ΔE 0.078
- Midnight Green #073B4C ΔE 0.079
Use #0B2C6B 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.