#0B2B6F
Closest named color: Marine (#042E60). oklch(31.5% 0.124 262.6), rgb(11, 43, 111).
Aa
White text reads best on this color (13.21:1).
About this color
#0B2B6F is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.124 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.029 away. White text reads best on it, at 13.21:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.58:1 |
| White text | 13.21:1 |
Values
| HEX | #0B2B6F |
| RGB | rgb(11, 43, 111) |
| HSL | hsl(221, 82%, 24%) |
| OKLCH | oklch(31.5% 0.124 262.6) |
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 #0B2B6F | 13.21:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #0B2B6F | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #0B2B6F text on white | 13.21:1 | AAA | Lc 99.0 | Preferred for body text |
| #0B2B6F 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#DFEAFF
oklch(93.5% 0.031 263.5)
-
Step 200
200
#C6DAFF
oklch(88.5% 0.056 262.8)
-
Step 300
300
#A0C1FF
oklch(80.9% 0.095 262.7)
-
Step 400
400
#6C9EFF
oklch(70.7% 0.152 262.5)
-
Step 500
500
#4481FF
oklch(63% 0.198 262.7)
-
Step 600
600
#1661FF
oklch(55.7% 0.245 262.6)
-
Step 700
700
#004BE4
oklch(49% 0.239 262.6)
-
Step 800
800
#003DBE
oklch(42.7% 0.208 262.6)
-
Step 900
900
#0032A0
oklch(37.6% 0.183 262.6)
-
Step 950
950 (this color)
#0B2B6F
oklch(31.5% 0.124 262.6)
#0B2B6F 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) | #003571 | 0.027 |
| Deuteranopia (no green cones) | #002C6E | 0.007 |
| Tritanopia (no blue cones) | #003C48 | 0.095 |
| Achromatopsia (no color) | #303030 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B2B6F
#0B2B6F
oklch(31.5% 0.124 262.6)
- #422E00
#422E00
oklch(31.6% 0.065 82.4)
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 #0B2B6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.029
- Marine Blue #01386A ΔE 0.039
- Midnight Blue #191970 ΔE 0.041
- Prussian Blue #1D3557 ΔE 0.058
- Royal #0C1793 ΔE 0.070
- Twilight Blue #0A437A ΔE 0.070
- Dark Royal Blue #02066F ΔE 0.075
- Deep Blue #040273 ΔE 0.077
Use #0B2B6F 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.