#3A5A89
Closest named color: Light Navy Blue (#2E5A88). oklch(46.5% 0.086 257.9), rgb(58, 90, 137).
Aa
White text reads best on this color (6.99:1).
About this color
#3A5A89 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.086 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.013 away. White text reads best on it, at 6.99:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 3.00:1 |
| White text | 6.99:1 |
Values
| HEX | #3A5A89 |
| RGB | rgb(58, 90, 137) |
| HSL | hsl(216, 41%, 38%) |
| OKLCH | oklch(46.5% 0.086 257.9) |
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 #3A5A89 | 6.99:1 | AA | Lc -89.0 | Fine for body text |
| Black text on #3A5A89 | 3.00:1 | AA large text | Lc 20.0 | Dividers and decoration only |
| #3A5A89 text on white | 6.99:1 | AA | Lc 84.1 | Fine for body text |
| #3A5A89 text on black | 3.00:1 | AA large text | Lc -17.9 | 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
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE9
oklch(88.5% 0.023 258.4)
-
Step 300
300
#B0C2DC
oklch(80.9% 0.042 257.5)
-
Step 400
400
#87A2CA
oklch(70.6% 0.066 258.1)
-
Step 500
500
#698BBD
oklch(63.1% 0.085 257.9)
-
Step 600
600
#5074A9
oklch(55.5% 0.093 257.9)
-
Step 700
700 (this color)
#3A5A89
oklch(46.5% 0.086 257.9)
-
Step 800
800
#365076
oklch(42.8% 0.071 257.8)
-
Step 900
900
#2F425F
oklch(37.7% 0.056 258.6)
-
Step 950
950
#1C2738
oklch(27.1% 0.035 258.9)
#3A5A89 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) | #475D8B | 0.019 |
| Deuteranopia (no green cones) | #3D5688 | 0.012 |
| Tritanopia (no blue cones) | #02646B | 0.076 |
| Achromatopsia (no color) | #595959 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A5A89
#3A5A89
oklch(46.5% 0.086 257.9)
- #745317
#745317
oklch(46.6% 0.086 78)
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 #3A5A89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.013
- Denim Blue #3B5B92 ΔE 0.015
- Denim #3B638C ΔE 0.027
- Dusky Blue #475F94 ΔE 0.028
- Dusk #4E5481 ΔE 0.030
- YInMn Blue #415A77 ΔE 0.030
- Dusk Blue #26538D ΔE 0.033
- Twilight #4E518B ΔE 0.035
Use #3A5A89 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.