#392D78
Closest named color: Dark Slate Blue (#483D8B). oklch(35.6% 0.123 285.7), rgb(57, 45, 120).
Aa
White text reads best on this color (11.53:1).
About this color
#392D78 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.123 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.058 away. White text reads best on it, at 11.53:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.82:1 |
| White text | 11.53:1 |
Values
| HEX | #392D78 |
| RGB | rgb(57, 45, 120) |
| HSL | hsl(250, 45%, 32%) |
| OKLCH | oklch(35.6% 0.123 285.7) |
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 #392D78 | 11.53:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #392D78 | 1.82:1 | Fails | Lc 7.7 | Not readable |
| #392D78 text on white | 11.53:1 | AAA | Lc 96.2 | Preferred for body text |
| #392D78 text on black | 1.82:1 | Fails | Lc 0.0 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D5D5FA
oklch(88.5% 0.051 285.3)
-
Step 300
300
#BBB8FA
oklch(80.8% 0.093 286.2)
-
Step 400
400
#9991F8
oklch(70.7% 0.148 285.5)
-
Step 500
500
#8372F4
oklch(63.2% 0.188 285.7)
-
Step 600
600
#6E56E3
oklch(55.7% 0.204 285.4)
-
Step 700
700
#5D45C5
oklch(49.2% 0.19 285.7)
-
Step 800
800
#4B399F
oklch(42.6% 0.158 285.6)
-
Step 900
900 (this color)
#392D78
oklch(35.6% 0.123 285.7)
-
Step 950
950
#241F4A
oklch(27.1% 0.077 285.3)
#392D78 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) | #003B7A | 0.063 |
| Deuteranopia (no green cones) | #003776 | 0.062 |
| Tritanopia (no blue cones) | #223F4E | 0.103 |
| Achromatopsia (no color) | #393939 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #392D78
#392D78
oklch(35.6% 0.123 285.7)
- #423E00
#423E00
oklch(35.6% 0.076 105.5)
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 #392D78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.058
- Marine Blue #01386A ΔE 0.069
- Twilight Blue #0A437A ΔE 0.071
- Indigo #4B0082 ΔE 0.072
- Blueberry #464196 ΔE 0.074
- Prussian Blue #1D3557 ΔE 0.076
- Midnight Blue #191970 ΔE 0.077
- Marine #042E60 ΔE 0.078
Use #392D78 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.