#2B4E6F
Closest named color: Light Navy (#155084). oklch(41.3% 0.069 248.5), rgb(43, 78, 111).
Aa
White text reads best on this color (8.67:1).
About this color
#2B4E6F is a dark, muted blue. In OKLCH its lightness is 41%, its chroma 0.069 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.037 away. White text reads best on it, at 8.67:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.42:1 |
| White text | 8.67:1 |
Values
| HEX | #2B4E6F |
| RGB | rgb(43, 78, 111) |
| HSL | hsl(209, 44%, 30%) |
| OKLCH | oklch(41.3% 0.069 248.5) |
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 #2B4E6F | 8.67:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #2B4E6F | 2.42:1 | Fails | Lc 14.4 | Not readable |
| #2B4E6F text on white | 8.67:1 | AAA | Lc 89.6 | Fine for body text |
| #2B4E6F text on black | 2.42:1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE8
oklch(88.6% 0.023 248.1)
-
Step 300
300
#ADC3DA
oklch(80.8% 0.041 249.5)
-
Step 400
400
#81A5C8
oklch(70.8% 0.065 248)
-
Step 500
500
#618EB9
oklch(63.1% 0.082 248.1)
-
Step 600
600
#4777A5
oklch(55.5% 0.089 248.7)
-
Step 700
700
#38648E
oklch(49.1% 0.084 248.9)
-
Step 800
800 (this color)
#2B4E6F
oklch(41.3% 0.069 248.5)
-
Step 900
900
#2A445D
oklch(37.7% 0.054 248.5)
-
Step 950
950
#192836
oklch(27% 0.033 247.4)
#2B4E6F 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) | #404F70 | 0.027 |
| Deuteranopia (no green cones) | #37486E | 0.021 |
| Tritanopia (no blue cones) | #00565A | 0.057 |
| Achromatopsia (no color) | #4B4B4B | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B4E6F
#2B4E6F
oklch(41.3% 0.069 248.5)
- #64441E
#64441E
oklch(41.4% 0.069 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 #2B4E6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.037
- Dark Grey Blue #29465B ΔE 0.038
- YInMn Blue #415A77 ΔE 0.049
- Dusk Blue #26538D ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.050
- Charcoal #264653 ΔE 0.050
- Twilight Blue #0A437A ΔE 0.051
Use #2B4E6F 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.