#334E71
Closest named color: Light Navy (#155084). oklch(41.9% 0.067 255.4), rgb(51, 78, 113).
Aa
White text reads best on this color (8.50:1).
About this color
#334E71 is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.067 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.038 away. White text reads best on it, at 8.50:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.46:1 |
| White text | 8.50:1 |
Values
| HEX | #334E71 |
| RGB | rgb(51, 78, 113) |
| HSL | hsl(214, 38%, 32%) |
| OKLCH | oklch(41.9% 0.067 255.4) |
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 #334E71 | 8.50:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #334E71 | 2.46:1 | Fails | Lc 14.8 | Not readable |
| #334E71 text on white | 8.50:1 | AAA | Lc 89.2 | Fine for body text |
| #334E71 text on black | 2.46:1 | Fails | Lc -13.1 | 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
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE8
oklch(88.5% 0.022 256.7)
-
Step 300
300
#B0C2DA
oklch(80.8% 0.039 255.6)
-
Step 400
400
#87A3C8
oklch(70.8% 0.063 255.5)
-
Step 500
500
#688CBA
oklch(63.2% 0.081 254.9)
-
Step 600
600
#5075A6
oklch(55.6% 0.088 255.8)
-
Step 700
700
#40628E
oklch(49% 0.081 255.3)
-
Step 800
800 (this color)
#334E71
oklch(41.9% 0.067 255.4)
-
Step 900
900
#2E435D
oklch(37.7% 0.052 254.2)
-
Step 950
950
#1B2737
oklch(26.9% 0.034 255.8)
#334E71 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) | #405073 | 0.019 |
| Deuteranopia (no green cones) | #384A70 | 0.013 |
| Tritanopia (no blue cones) | #12565A | 0.060 |
| Achromatopsia (no color) | #4D4D4D | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334E71
#334E71
oklch(41.9% 0.067 255.4)
- #62471E
#62471E
oklch(41.8% 0.068 75.3)
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 #334E71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.040
- YInMn Blue #415A77 ΔE 0.043
- Dark Grey Blue #29465B ΔE 0.044
- Light Navy Blue #2E5A88 ΔE 0.046
- Dusk Blue #26538D ΔE 0.046
- Dusk #4E5481 ΔE 0.050
- Twilight Blue #0A437A ΔE 0.056
Use #334E71 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.