#334D68
Closest named color: Dark Grey Blue (#29465B). oklch(41.1% 0.056 250.2), rgb(51, 77, 104).
Aa
White text reads best on this color (8.74:1).
About this color
#334D68 is a dark, muted blue. In OKLCH its lightness is 41%, its chroma 0.056 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.032 away. White text reads best on it, at 8.74:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.40:1 |
| White text | 8.74:1 |
Values
| HEX | #334D68 |
| RGB | rgb(51, 77, 104) |
| HSL | hsl(211, 34%, 30%) |
| OKLCH | oklch(41.1% 0.056 250.2) |
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 #334D68 | 8.74:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #334D68 | 2.40:1 | Fails | Lc 14.1 | Not readable |
| #334D68 text on white | 8.74:1 | AAA | Lc 89.9 | Fine for body text |
| #334D68 text on black | 2.40:1 | Fails | Lc -12.4 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D1DAE5
oklch(88.5% 0.018 253.4)
-
Step 300
300
#B1C3D5
oklch(80.9% 0.032 248.2)
-
Step 400
400
#89A4C0
oklch(70.8% 0.051 249.5)
-
Step 500
500
#6B8DB1
oklch(63.2% 0.067 250.3)
-
Step 600
600
#52779C
oklch(55.7% 0.072 249.2)
-
Step 700
700
#436486
oklch(49.3% 0.067 250)
-
Step 800
800 (this color)
#334D68
oklch(41.1% 0.056 250.2)
-
Step 900
900
#304358
oklch(37.6% 0.044 251.5)
-
Step 950
950
#1C2833
oklch(27.1% 0.026 246.6)
#334D68 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) | #424E69 | 0.021 |
| Deuteranopia (no green cones) | #3C4967 | 0.016 |
| Tritanopia (no blue cones) | #1B5356 | 0.048 |
| Achromatopsia (no color) | #4B4B4B | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334D68
#334D68
oklch(41.1% 0.056 250.2)
- #5E4528
#5E4528
oklch(41.1% 0.055 69.4)
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 #334D68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.032
- Charcoal #264653 ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.046
- YInMn Blue #415A77 ΔE 0.048
- Light Navy #155084 ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.050
- Deep Teal #00555A ΔE 0.053
- Light Navy Blue #2E5A88 ΔE 0.058
Use #334D68 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.