#0B4C85
Closest named color: Light Navy (#155084). oklch(41.1% 0.113 251.1), rgb(11, 76, 133).
Aa
White text reads best on this color (8.79:1).
About this color
#0B4C85 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.113 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.014 away. White text reads best on it, at 8.79:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.38:1 |
| White text | 8.79:1 |
Values
| HEX | #0B4C85 |
| RGB | rgb(11, 76, 133) |
| HSL | hsl(208, 85%, 28%) |
| OKLCH | oklch(41.1% 0.113 251.1) |
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 #0B4C85 | 8.79:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #0B4C85 | 2.38:1 | Fails | Lc 14.4 | Not readable |
| #0B4C85 text on white | 8.79:1 | AAA | Lc 89.6 | Fine for body text |
| #0B4C85 text on black | 2.38:1 | Fails | Lc -12.6 | 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
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF1
oklch(88.4% 0.037 252.1)
-
Step 300
300
#A2C4EA
oklch(80.9% 0.065 251.5)
-
Step 400
400
#6DA5E0
oklch(70.7% 0.105 250.7)
-
Step 500
500
#438DD8
oklch(63.1% 0.135 251.1)
-
Step 600
600
#1F75C5
oklch(55.5% 0.147 251.4)
-
Step 700
700
#0F62AA
oklch(49% 0.136 251.2)
-
Step 800
800 (this color)
#0B4C85
oklch(41.1% 0.113 251.1)
-
Step 900
900
#18436E
oklch(37.6% 0.088 251.3)
-
Step 950
950
#0F2841
oklch(27.1% 0.056 250.6)
#0B4C85 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) | #2F5087 | 0.032 |
| Deuteranopia (no green cones) | #194684 | 0.017 |
| Tritanopia (no blue cones) | #005A62 | 0.083 |
| Achromatopsia (no color) | #4A4A4A | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B4C85
#0B4C85
oklch(41.1% 0.113 251.1)
- #684100
#684100
oklch(41.1% 0.088 71.2)
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 #0B4C85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.014
- Cobalt #1E488F ΔE 0.024
- Deep Sea Blue #015482 ΔE 0.025
- Twilight Blue #0A437A ΔE 0.031
- Dusk Blue #26538D ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.052
- Denim Blue #3B5B92 ΔE 0.066
- Dark Grey Blue #29465B ΔE 0.071
Use #0B4C85 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.