#393D86
Closest named color: Dark Slate Blue (#483D8B). oklch(39.8% 0.12 277.1), rgb(57, 61, 134).
Aa
White text reads best on this color (9.60:1).
About this color
#393D86 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.120 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.025 away. White text reads best on it, at 9.60:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.18:1 |
| White text | 9.60:1 |
Values
| HEX | #393D86 |
| RGB | rgb(57, 61, 134) |
| HSL | hsl(237, 40%, 37%) |
| OKLCH | oklch(39.8% 0.12 277.1) |
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 #393D86 | 9.60:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #393D86 | 2.18:1 | Fails | Lc 12.0 | Not readable |
| #393D86 text on white | 9.60:1 | AAA | Lc 92.0 | Preferred for body text |
| #393D86 text on black | 2.18:1 | Fails | Lc -10.4 | 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 900.
-
Step 50
50
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#D0D7FB
oklch(88.5% 0.05 276.6)
-
Step 300
300
#B2BCFB
oklch(81% 0.09 277.2)
-
Step 400
400
#8B96F9
oklch(70.7% 0.144 277.2)
-
Step 500
500
#7178F6
oklch(63% 0.185 277.3)
-
Step 600
600
#5C5DE4
oklch(55.5% 0.2 277.4)
-
Step 700
700
#4C4CC7
oklch(49.2% 0.186 277.1)
-
Step 800
800
#3E3FA1
oklch(42.7% 0.155 277.2)
-
Step 900
900 (this color)
#393D86
oklch(39.8% 0.12 277.1)
-
Step 950
950
#1E214B
oklch(27.1% 0.077 276.9)
#393D86 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) | #134889 | 0.045 |
| Deuteranopia (no green cones) | #034284 | 0.049 |
| Tritanopia (no blue cones) | #104E5B | 0.106 |
| Achromatopsia (no color) | #454545 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #393D86
#393D86
oklch(39.8% 0.12 277.1)
- #544700
#544700
oklch(39.9% 0.082 97.2)
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 #393D86, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.025
- Blueberry #464196 ΔE 0.035
- Cobalt #1E488F ΔE 0.040
- Twilight Blue #0A437A ΔE 0.052
- Light Navy #155084 ΔE 0.060
- Dusk Blue #26538D ΔE 0.061
- Twilight #4E518B ΔE 0.067
- Sapphire #2138AB ΔE 0.069
Use #393D86 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.