#393864
Closest named color: Prussian Blue (#1D3557). oklch(36.4% 0.075 283.1), rgb(57, 56, 100).
Aa
White text reads best on this color (10.91:1).
About this color
#393864 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.075 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.049 away. White text reads best on it, at 10.91:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.92:1 |
| White text | 10.91:1 |
Values
| HEX | #393864 |
| RGB | rgb(57, 56, 100) |
| HSL | hsl(241, 28%, 31%) |
| OKLCH | oklch(36.4% 0.075 283.1) |
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 #393864 | 10.91:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #393864 | 1.92:1 | Fails | Lc 8.7 | Not readable |
| #393864 text on white | 10.91:1 | AAA | Lc 95.2 | Preferred for body text |
| #393864 text on black | 1.92:1 | Fails | Lc -7.4 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D6D7EE
oklch(88.5% 0.031 283.8)
-
Step 300
300
#BBBDE5
oklch(81% 0.056 282.8)
-
Step 400
400
#989AD7
oklch(70.8% 0.089 282.4)
-
Step 500
500
#807FCD
oklch(63% 0.116 283.1)
-
Step 600
600
#6A68B9
oklch(55.7% 0.123 282.7)
-
Step 700
700
#5956A0
oklch(49.2% 0.116 283.1)
-
Step 800
800
#484681
oklch(42.5% 0.096 283.1)
-
Step 900
900 (this color)
#393864
oklch(36.4% 0.075 283.1)
-
Step 950
950
#23233D
oklch(27% 0.048 282.7)
#393864 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) | #293E66 | 0.027 |
| Deuteranopia (no green cones) | #273B63 | 0.027 |
| Tritanopia (no blue cones) | #2C4149 | 0.065 |
| Achromatopsia (no color) | #3D3D3D | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #393864
#393864
oklch(36.4% 0.075 283.1)
- #453F03
#453F03
oklch(36.3% 0.074 103.2)
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 #393864, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.049
- Dark Grey Blue #29465B ΔE 0.053
- Dark Blue Grey #1F3B4D ΔE 0.059
- Marine Blue #01386A ΔE 0.059
- Twilight Blue #0A437A ΔE 0.060
- Charcoal #264653 ΔE 0.064
- Onyx #343A40 ΔE 0.067
- Gunmetal #293241 ΔE 0.069
Use #393864 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.