#2D4E6B
Closest named color: Dark Grey Blue (#29465B). oklch(41.2% 0.062 246.5), rgb(45, 78, 107).
Aa
White text reads best on this color (8.70:1).
About this color
#2D4E6B is a dark, muted blue. In OKLCH its lightness is 41%, its chroma 0.062 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.034 away. White text reads best on it, at 8.70:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.41:1 |
| White text | 8.70:1 |
Values
| HEX | #2D4E6B |
| RGB | rgb(45, 78, 107) |
| HSL | hsl(208, 41%, 30%) |
| OKLCH | oklch(41.2% 0.062 246.5) |
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 #2D4E6B | 8.70:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #2D4E6B | 2.41:1 | Fails | Lc 14.3 | Not readable |
| #2D4E6B text on white | 8.70:1 | AAA | Lc 89.7 | Fine for body text |
| #2D4E6B text on black | 2.41:1 | Fails | Lc -12.5 | 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
#CFDBE6
oklch(88.6% 0.02 245.7)
-
Step 300
300
#AEC3D7
oklch(80.8% 0.036 247)
-
Step 400
400
#83A5C3
oklch(70.7% 0.058 245.4)
-
Step 500
500
#648EB4
oklch(63.1% 0.074 246.6)
-
Step 600
600
#4A78A0
oklch(55.7% 0.08 246.1)
-
Step 700
700
#3B6589
oklch(49.2% 0.075 245.9)
-
Step 800
800 (this color)
#2D4E6B
oklch(41.2% 0.062 246.5)
-
Step 900
900
#2C445A
oklch(37.7% 0.048 247.1)
-
Step 950
950
#1A2835
oklch(27% 0.031 247.2)
#2D4E6B 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) | #424F6C | 0.028 |
| Deuteranopia (no green cones) | #3A486A | 0.023 |
| Tritanopia (no blue cones) | #035558 | 0.053 |
| Achromatopsia (no color) | #4B4B4B | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4E6B
#2D4E6B
oklch(41.2% 0.062 246.5)
- #624424
#624424
oklch(41.3% 0.062 66.4)
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 #2D4E6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.034
- Deep Sea Blue #015482 ΔE 0.043
- Light Navy #155084 ΔE 0.044
- Charcoal #264653 ΔE 0.045
- YInMn Blue #415A77 ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.049
- Deep Teal #00555A ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.054
Use #2D4E6B 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.