#334F68
Closest named color: Dark Grey Blue (#29465B). oklch(41.6% 0.054 246.5), rgb(51, 79, 104).
Aa
White text reads best on this color (8.53:1).
About this color
#334F68 is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.054 and its hue 246°. 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 8.53:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.45:1 |
| White text | 8.53:1 |
Values
| HEX | #334F68 |
| RGB | rgb(51, 79, 104) |
| HSL | hsl(208, 34%, 30%) |
| OKLCH | oklch(41.6% 0.054 246.5) |
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 #334F68 | 8.53:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #334F68 | 2.45:1 | Fails | Lc 14.7 | Not readable |
| #334F68 text on white | 8.53:1 | AAA | Lc 89.3 | Fine for body text |
| #334F68 text on black | 2.45:1 | Fails | Lc -12.9 | 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
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#D0DBE4
oklch(88.6% 0.017 242.5)
-
Step 300
300
#B1C3D4
oklch(80.9% 0.031 246.7)
-
Step 400
400
#87A4BF
oklch(70.6% 0.051 246.7)
-
Step 500
500
#698EAF
oklch(63.2% 0.065 246)
-
Step 600
600
#50779A
oklch(55.5% 0.07 246.5)
-
Step 700
700
#416484
oklch(49% 0.066 247.1)
-
Step 800
800 (this color)
#334F68
oklch(41.6% 0.054 246.5)
-
Step 900
900
#2F4457
oklch(37.7% 0.042 246.5)
-
Step 950
950
#1C2833
oklch(27.1% 0.026 246.6)
#334F68 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) | #454F69 | 0.024 |
| Deuteranopia (no green cones) | #3E4A68 | 0.020 |
| Tritanopia (no blue cones) | #1B5557 | 0.046 |
| Achromatopsia (no color) | #4C4C4C | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334F68
#334F68
oklch(41.6% 0.054 246.5)
- #60462B
#60462B
oklch(41.6% 0.054 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 #334F68, 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
- YInMn Blue #415A77 ΔE 0.044
- Dark Slate Gray #2F4F4F ΔE 0.044
- Charcoal #264653 ΔE 0.046
- Deep Teal #00555A ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.050
- Light Navy #155084 ΔE 0.051
- Petrol #005F6A ΔE 0.055
Use #334F68 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.