#3A5684
Closest named color: Light Navy Blue (#2E5A88). oklch(45.3% 0.083 259.9), rgb(58, 86, 132).
Aa
White text reads best on this color (7.38:1).
About this color
#3A5684 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.083 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.016 away. White text reads best on it, at 7.38:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.84:1 |
| White text | 7.38:1 |
Values
| HEX | #3A5684 |
| RGB | rgb(58, 86, 132) |
| HSL | hsl(217, 39%, 37%) |
| OKLCH | oklch(45.3% 0.083 259.9) |
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 #3A5684 | 7.38:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #3A5684 | 2.84:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #3A5684 text on white | 7.38:1 | AAA | Lc 85.5 | Fine for body text |
| #3A5684 text on black | 2.84:1 | Fails | Lc -16.5 | 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 800.
-
Step 50
50
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CFDAEB
oklch(88.5% 0.026 259)
-
Step 300
300
#AFC2E1
oklch(81% 0.049 260.2)
-
Step 400
400
#84A2D1
oklch(70.7% 0.077 259.2)
-
Step 500
500
#668AC5
oklch(63.1% 0.098 260)
-
Step 600
600
#4D73B2
oklch(55.6% 0.108 260.1)
-
Step 700
700
#3E6099
oklch(49.1% 0.1 260.2)
-
Step 800
800 (this color)
#3A5684
oklch(45.3% 0.083 259.9)
-
Step 900
900
#2D4264
oklch(37.8% 0.064 259.7)
-
Step 950
950
#1A273A
oklch(27% 0.04 257.8)
#3A5684 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) | #445986 | 0.017 |
| Deuteranopia (no green cones) | #3B5283 | 0.012 |
| Tritanopia (no blue cones) | #0F6067 | 0.073 |
| Achromatopsia (no color) | #565656 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A5684
#3A5684
oklch(45.3% 0.083 259.9)
- #6E5016
#6E5016
oklch(45.2% 0.083 79.7)
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 #3A5684, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.016
- Denim Blue #3B5B92 ΔE 0.025
- Dusk #4E5481 ΔE 0.027
- Dusk Blue #26538D ΔE 0.028
- YInMn Blue #415A77 ΔE 0.029
- Twilight #4E518B ΔE 0.033
- Denim #3B638C ΔE 0.039
- Dusky Blue #475F94 ΔE 0.039
Use #3A5684 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.