#393881
Closest named color: Dark Slate Blue (#483D8B). oklch(38.4% 0.12 279.8), rgb(57, 56, 129).
Aa
White text reads best on this color (10.21:1).
About this color
#393881 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.120 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.033 away. White text reads best on it, at 10.21:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.05:1 |
| White text | 10.21:1 |
Values
| HEX | #393881 |
| RGB | rgb(57, 56, 129) |
| HSL | hsl(241, 39%, 36%) |
| OKLCH | oklch(38.4% 0.12 279.8) |
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 #393881 | 10.21:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #393881 | 2.05:1 | Fails | Lc 10.5 | Not readable |
| #393881 text on white | 10.21:1 | AAA | Lc 93.4 | Preferred for body text |
| #393881 text on black | 2.05:1 | Fails | Lc -9.1 | 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
#E6E8FC
oklch(93.5% 0.027 281.3)
-
Step 200
200
#D2D6FA
oklch(88.4% 0.05 280.3)
-
Step 300
300
#B4BBFA
oklch(80.9% 0.089 279.3)
-
Step 400
400
#9095F8
oklch(70.8% 0.143 279.9)
-
Step 500
500
#7777F5
oklch(63.2% 0.184 279.8)
-
Step 600
600
#625BE3
oklch(55.5% 0.2 280)
-
Step 700
700
#514AC5
oklch(49% 0.185 279.6)
-
Step 800
800
#423EA0
oklch(42.8% 0.154 279.5)
-
Step 900
900 (this color)
#393881
oklch(38.4% 0.12 279.8)
-
Step 950
950
#20204A
oklch(26.9% 0.076 280)
#393881 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) | #094484 | 0.052 |
| Deuteranopia (no green cones) | #003E7F | 0.053 |
| Tritanopia (no blue cones) | #184957 | 0.103 |
| Achromatopsia (no color) | #414141 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #393881
#393881
oklch(38.4% 0.12 279.8)
- #4E4400
#4E4400
oklch(38.5% 0.08 99.8)
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 #393881, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.033
- Blueberry #464196 ΔE 0.047
- Cobalt #1E488F ΔE 0.052
- Twilight Blue #0A437A ΔE 0.054
- Light Navy #155084 ΔE 0.071
- Marine Blue #01386A ΔE 0.071
- Dusk Blue #26538D ΔE 0.075
- Sapphire #2138AB ΔE 0.075
Use #393881 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.