#0B5484
Closest named color: Deep Sea Blue (#015482). oklch(43.1% 0.103 244.9), rgb(11, 84, 132).
Aa
White text reads best on this color (8.02:1).
About this color
#0B5484 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.103 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.005 away. White text reads best on it, at 8.02:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.61:1 |
| White text | 8.02:1 |
Values
| HEX | #0B5484 |
| RGB | rgb(11, 84, 132) |
| HSL | hsl(204, 85%, 28%) |
| OKLCH | oklch(43.1% 0.103 244.9) |
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 #0B5484 | 8.02:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #0B5484 | 2.61:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #0B5484 text on white | 8.02:1 | AAA | Lc 87.4 | Fine for body text |
| #0B5484 text on black | 2.61:1 | Fails | Lc -14.8 | 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 800.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCEE
oklch(88.5% 0.033 245.3)
-
Step 300
300
#A1C5E5
oklch(80.8% 0.06 245.5)
-
Step 400
400
#6BA7D9
oklch(70.7% 0.097 244.9)
-
Step 500
500
#3F90CE
oklch(63.1% 0.122 244.7)
-
Step 600
600
#1379BB
oklch(55.6% 0.133 244.7)
-
Step 700
700
#0065A1
oklch(49% 0.124 245.1)
-
Step 800
800 (this color)
#0B5484
oklch(43.1% 0.103 244.9)
-
Step 900
900
#144569
oklch(37.7% 0.08 244.8)
-
Step 950
950
#0E293D
oklch(27.1% 0.05 243.6)
#0B5484 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) | #3D5686 | 0.042 |
| Deuteranopia (no green cones) | #2C4C83 | 0.029 |
| Tritanopia (no blue cones) | #006065 | 0.073 |
| Achromatopsia (no color) | #505050 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B5484
#0B5484
oklch(43.1% 0.103 244.9)
- #734300
#734300
oklch(43.1% 0.096 65.5)
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 #0B5484, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.005
- Light Navy #155084 ΔE 0.012
- Dusk Blue #26538D ΔE 0.023
- Light Navy Blue #2E5A88 ΔE 0.033
- Cobalt #1E488F ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.051
- Twilight Blue #0A437A ΔE 0.052
- YInMn Blue #415A77 ΔE 0.056
Use #0B5484 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.