#3A517B
Closest named color: Light Navy Blue (#2E5A88). oklch(43.6% 0.075 261.8), rgb(58, 81, 123).
Aa
White text reads best on this color (7.94:1).
About this color
#3A517B is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.075 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.031 away. White text reads best on it, at 7.94:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.64:1 |
| White text | 7.94:1 |
Values
| HEX | #3A517B |
| RGB | rgb(58, 81, 123) |
| HSL | hsl(219, 36%, 35%) |
| OKLCH | oklch(43.6% 0.075 261.8) |
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 #3A517B | 7.94:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #3A517B | 2.64:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #3A517B text on white | 7.94:1 | AAA | Lc 87.5 | Fine for body text |
| #3A517B text on black | 2.64:1 | Fails | Lc -14.7 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0DAEA
oklch(88.6% 0.025 259.8)
-
Step 300
300
#B1C1DE
oklch(80.8% 0.045 262.4)
-
Step 400
400
#89A1CD
oklch(70.7% 0.07 262.4)
-
Step 500
500
#6B8AC0
oklch(63.2% 0.089 261.2)
-
Step 600
600
#5373AD
oklch(55.7% 0.098 261.7)
-
Step 700
700
#436094
oklch(49.1% 0.091 261.4)
-
Step 800
800 (this color)
#3A517B
oklch(43.6% 0.075 261.8)
-
Step 900
900
#304161
oklch(37.6% 0.059 262.4)
-
Step 950
950
#1C2639
oklch(26.9% 0.038 262.7)
#3A517B 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) | #41547D | 0.014 |
| Deuteranopia (no green cones) | #394E7A | 0.009 |
| Tritanopia (no blue cones) | #1C5A60 | 0.067 |
| Achromatopsia (no color) | #515151 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A517B
#3A517B
oklch(43.6% 0.075 261.8)
- #664D19
#664D19
oklch(43.6% 0.076 82.4)
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 #3A517B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.031
- Dusk #4E5481 ΔE 0.032
- YInMn Blue #415A77 ΔE 0.032
- Dusk Blue #26538D ΔE 0.034
- Light Navy #155084 ΔE 0.037
- Twilight #4E518B ΔE 0.040
- Deep Sea Blue #015482 ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.043
Use #3A517B 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.