#393B67
Closest named color: Dark Grey Blue (#29465B). oklch(37.2% 0.075 280.1), rgb(57, 59, 103).
Aa
White text reads best on this color (10.52:1).
About this color
#393B67 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.075 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.048 away. White text reads best on it, at 10.52:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.99:1 |
| White text | 10.52:1 |
Values
| HEX | #393B67 |
| RGB | rgb(57, 59, 103) |
| HSL | hsl(237, 29%, 31%) |
| OKLCH | oklch(37.2% 0.075 280.1) |
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 #393B67 | 10.52:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #393B67 | 1.99:1 | Fails | Lc 9.6 | Not readable |
| #393B67 text on white | 10.52:1 | AAA | Lc 94.3 | Preferred for body text |
| #393B67 text on black | 1.99:1 | Fails | Lc -8.2 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D5D7EE
oklch(88.5% 0.032 281.8)
-
Step 300
300
#B9BDE5
oklch(80.9% 0.056 280.6)
-
Step 400
400
#959BD8
oklch(70.8% 0.089 279.5)
-
Step 500
500
#7C81CD
oklch(63.1% 0.114 279.7)
-
Step 600
600
#6669BA
oklch(55.6% 0.124 279.9)
-
Step 700
700
#5557A1
oklch(49.1% 0.117 280)
-
Step 800
800
#464782
oklch(42.6% 0.096 280.8)
-
Step 900
900 (this color)
#393B67
oklch(37.2% 0.075 280.1)
-
Step 950
950
#22243D
oklch(27.1% 0.046 279.3)
#393B67 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) | #2B4169 | 0.025 |
| Deuteranopia (no green cones) | #293D66 | 0.023 |
| Tritanopia (no blue cones) | #2B444C | 0.065 |
| Achromatopsia (no color) | #3F3F3F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #393B67
#393B67
oklch(37.2% 0.075 280.1)
- #4A4104
#4A4104
oklch(37.3% 0.075 100)
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 #393B67, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.048
- Prussian Blue #1D3557 ΔE 0.053
- Twilight Blue #0A437A ΔE 0.055
- Marine Blue #01386A ΔE 0.060
- Charcoal #264653 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.066
- Onyx #343A40 ΔE 0.069
Use #393B67 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.