#393670
Closest named color: Dark Slate Blue (#483D8B). oklch(36.8% 0.097 282.9), rgb(57, 54, 112).
Aa
White text reads best on this color (10.84:1).
About this color
#393670 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.097 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.055 away. White text reads best on it, at 10.84:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.93:1 |
| White text | 10.84:1 |
Values
| HEX | #393670 |
| RGB | rgb(57, 54, 112) |
| HSL | hsl(243, 35%, 33%) |
| OKLCH | oklch(36.8% 0.097 282.9) |
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 #393670 | 10.84:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #393670 | 1.93:1 | Fails | Lc 8.9 | Not readable |
| #393670 text on white | 10.84:1 | AAA | Lc 95.0 | Preferred for body text |
| #393670 text on black | 1.93:1 | Fails | Lc -7.7 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F8
oklch(93.5% 0.022 283.1)
-
Step 200
200
#D5D6F4
oklch(88.5% 0.041 284)
-
Step 300
300
#B9BBEF
oklch(80.8% 0.073 282.9)
-
Step 400
400
#9697E7
oklch(70.8% 0.116 282.5)
-
Step 500
500
#7E7BE0
oklch(63.2% 0.149 282.6)
-
Step 600
600
#6961CD
oklch(55.5% 0.162 283.1)
-
Step 700
700
#5850B2
oklch(49.2% 0.151 283)
-
Step 800
800
#474290
oklch(42.7% 0.125 282.6)
-
Step 900
900 (this color)
#393670
oklch(36.8% 0.097 282.9)
-
Step 950
950
#232243
oklch(27.1% 0.06 283)
#393670 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) | #1C3F72 | 0.042 |
| Deuteranopia (no green cones) | #193B6F | 0.042 |
| Tritanopia (no blue cones) | #26424D | 0.083 |
| Achromatopsia (no color) | #3D3D3D | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #393670
#393670
oklch(36.8% 0.097 282.9)
- #474000
#474000
oklch(36.7% 0.077 102.5)
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 #393670, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.055
- Twilight Blue #0A437A ΔE 0.056
- Marine Blue #01386A ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.061
- Dark Grey Blue #29465B ΔE 0.070
- Cobalt #1E488F ΔE 0.070
- Blueberry #464196 ΔE 0.072
- Marine #042E60 ΔE 0.076
Use #393670 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.