#0B4B7E
Closest named color: Light Navy (#155084). oklch(40.4% 0.104 249), rgb(11, 75, 126).
Aa
White text reads best on this color (9.04:1).
About this color
#0B4B7E is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.104 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.019 away. White text reads best on it, at 9.04:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.32:1 |
| White text | 9.04:1 |
Values
| HEX | #0B4B7E |
| RGB | rgb(11, 75, 126) |
| HSL | hsl(207, 84%, 27%) |
| OKLCH | oklch(40.4% 0.104 249) |
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 #0B4B7E | 9.04:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #0B4B7E | 2.32:1 | Fails | Lc 13.7 | Not readable |
| #0B4B7E text on white | 9.04:1 | AAA | Lc 90.3 | Preferred for body text |
| #0B4B7E text on black | 2.32:1 | Fails | Lc -12.0 | 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 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
#C9DCEF
oklch(88.6% 0.033 248.2)
-
Step 300
300
#A3C5E7
oklch(81% 0.061 248.6)
-
Step 400
400
#6FA6DB
oklch(70.8% 0.097 248.5)
-
Step 500
500
#468ED1
oklch(63.1% 0.125 249)
-
Step 600
600
#2277BE
oklch(55.6% 0.135 248.7)
-
Step 700
700
#1364A4
oklch(49.2% 0.125 248.6)
-
Step 800
800 (this color)
#0B4B7E
oklch(40.4% 0.104 249)
-
Step 900
900
#19446B
oklch(37.7% 0.082 249.1)
-
Step 950
950
#10283E
oklch(27% 0.051 248.4)
#0B4B7E 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) | #324E80 | 0.034 |
| Deuteranopia (no green cones) | #20447D | 0.022 |
| Tritanopia (no blue cones) | #00575E | 0.075 |
| Achromatopsia (no color) | #494949 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B4B7E
#0B4B7E
oklch(40.4% 0.104 249)
- #673E00
#673E00
oklch(40.3% 0.088 68.5)
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 #0B4B7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.019
- Twilight Blue #0A437A ΔE 0.024
- Deep Sea Blue #015482 ΔE 0.027
- Cobalt #1E488F ΔE 0.033
- Dusk Blue #26538D ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.057
- Dark Grey Blue #29465B ΔE 0.060
- Marine Blue #01386A ΔE 0.065
Use #0B4B7E 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.