#345D84
Closest named color: Light Navy Blue (#2E5A88). oklch(46.6% 0.079 248.7), rgb(52, 93, 132).
Aa
White text reads best on this color (6.89:1).
About this color
#345D84 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.079 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.014 away. White text reads best on it, at 6.89:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 3.04:1 |
| White text | 6.89:1 |
Values
| HEX | #345D84 |
| RGB | rgb(52, 93, 132) |
| HSL | hsl(209, 43%, 36%) |
| OKLCH | oklch(46.6% 0.079 248.7) |
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 #345D84 | 6.89:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #345D84 | 3.04:1 | AA large text | Lc 20.3 | Dividers and decoration only |
| #345D84 text on white | 6.89:1 | AA | Lc 83.7 | Fine for body text |
| #345D84 text on black | 3.04:1 | AA large text | Lc -18.3 | Dividers and decoration only |
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 700.
-
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
#CFDBE7
oklch(88.6% 0.021 248.1)
-
Step 300
300
#AEC3D9
oklch(80.8% 0.039 249.5)
-
Step 400
400
#83A4C6
oklch(70.6% 0.062 249.5)
-
Step 500
500
#648EB7
oklch(63.2% 0.077 248.5)
-
Step 600
600
#4A77A3
oklch(55.6% 0.085 249.1)
-
Step 700
700 (this color)
#345D84
oklch(46.6% 0.079 248.7)
-
Step 800
800
#315271
oklch(42.7% 0.065 248.1)
-
Step 900
900
#2C445C
oklch(37.8% 0.051 249.3)
-
Step 950
950
#1A2836
oklch(27.1% 0.032 249.1)
#345D84 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) | #4C5E86 | 0.030 |
| Deuteranopia (no green cones) | #425683 | 0.024 |
| Tritanopia (no blue cones) | #00666B | 0.064 |
| Achromatopsia (no color) | #5A5A5A | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345D84
#345D84
oklch(46.6% 0.079 248.7)
- #765124
#765124
oklch(46.6% 0.078 69)
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 #345D84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.014
- Denim #3B638C ΔE 0.023
- YInMn Blue #415A77 ΔE 0.024
- Denim Blue #3B5B92 ΔE 0.027
- Dusky Blue #475F94 ΔE 0.036
- Dusk #4E5481 ΔE 0.038
- Peacock Blue #016795 ΔE 0.040
- Dusk Blue #26538D ΔE 0.040
Use #345D84 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.