#3860A4
Closest named color: Dusky Blue (#475F94). oklch(49.4% 0.118 260.4), rgb(56, 96, 164).
Aa
White text reads best on this color (6.21:1).
About this color
#3860A4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.118 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.029 away. White text reads best on it, at 6.21:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.37:1 |
| White text | 6.21:1 |
Values
| HEX | #3860A4 |
| RGB | rgb(56, 96, 164) |
| HSL | hsl(218, 49%, 43%) |
| OKLCH | oklch(49.4% 0.118 260.4) |
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 #3860A4 | 6.21:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #3860A4 | 3.37:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #3860A4 text on white | 6.21:1 | AA | Lc 80.8 | Fine for body text |
| #3860A4 text on black | 3.37:1 | AA large text | Lc -21.1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CDDAEF
oklch(88.5% 0.032 260)
-
Step 300
300
#ACC2E6
oklch(81% 0.056 260.2)
-
Step 400
400
#7FA1DA
oklch(70.6% 0.092 260.5)
-
Step 500
500
#5F89D0
oklch(63.1% 0.117 260.4)
-
Step 600
600
#4672BD
oklch(55.7% 0.127 260.4)
-
Step 700
700 (this color)
#3860A4
oklch(49.4% 0.118 260.4)
-
Step 800
800
#2E4E84
oklch(42.7% 0.098 260.3)
-
Step 900
900
#29416A
oklch(37.7% 0.077 260.5)
-
Step 950
950
#18263E
oklch(26.9% 0.049 260.7)
#3860A4 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) | #4166A7 | 0.021 |
| Deuteranopia (no green cones) | #315CA3 | 0.014 |
| Tritanopia (no blue cones) | #00707A | 0.098 |
| Achromatopsia (no color) | #616161 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3860A4
#3860A4
oklch(49.4% 0.118 260.4)
- #7F5A00
#7F5A00
oklch(49.4% 0.102 80.7)
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 #3860A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.029
- Denim Blue #3B5B92 ΔE 0.030
- Mid Blue #276AB3 ΔE 0.034
- French Blue #436BAD ΔE 0.036
- Denim #3B638C ΔE 0.042
- Peacock Blue #016795 ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.048
- Muted Blue #3B719F ΔE 0.052
Use #3860A4 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.