#2B4E6D
Closest named color: Dark Grey Blue (#29465B). oklch(41.2% 0.066 246.9), rgb(43, 78, 109).
Aa
White text reads best on this color (8.70:1).
About this color
#2B4E6D is a dark, muted blue. In OKLCH its lightness is 41%, its chroma 0.066 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.036 away. White text reads best on it, at 8.70:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.41:1 |
| White text | 8.70:1 |
Values
| HEX | #2B4E6D |
| RGB | rgb(43, 78, 109) |
| HSL | hsl(208, 43%, 30%) |
| OKLCH | oklch(41.2% 0.066 246.9) |
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 #2B4E6D | 8.70:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #2B4E6D | 2.41:1 | Fails | Lc 14.3 | Not readable |
| #2B4E6D text on white | 8.70:1 | AAA | Lc 89.7 | Fine for body text |
| #2B4E6D text on black | 2.41:1 | 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
#CEDBE7
oklch(88.5% 0.022 245.9)
-
Step 300
300
#ADC4D9
oklch(81% 0.039 245.9)
-
Step 400
400
#82A5C6
oklch(70.8% 0.062 247.2)
-
Step 500
500
#618EB7
oklch(63.1% 0.079 246.9)
-
Step 600
600
#4778A3
oklch(55.7% 0.086 246.6)
-
Step 700
700
#38658C
oklch(49.2% 0.08 246.5)
-
Step 800
800 (this color)
#2B4E6D
oklch(41.2% 0.066 246.9)
-
Step 900
900
#2A445C
oklch(37.7% 0.052 247.5)
-
Step 950
950
#192836
oklch(27% 0.033 247.4)
#2B4E6D 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) | #414F6E | 0.028 |
| Deuteranopia (no green cones) | #38486C | 0.022 |
| Tritanopia (no blue cones) | #005559 | 0.054 |
| Achromatopsia (no color) | #4B4B4B | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B4E6D
#2B4E6D
oklch(41.2% 0.066 246.9)
- #634320
#634320
oklch(41.1% 0.067 66.5)
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 #2B4E6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.036
- Deep Sea Blue #015482 ΔE 0.040
- Light Navy #155084 ΔE 0.040
- Charcoal #264653 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.049
- Deep Teal #00555A ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.052
- Dusk Blue #26538D ΔE 0.053
Use #2B4E6D 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.