#393F6A
Closest named color: Dark Grey Blue (#29465B). oklch(38.3% 0.073 276.3), rgb(57, 63, 106).
Aa
White text reads best on this color (10.03:1).
About this color
#393F6A is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.073 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.043 away. White text reads best on it, at 10.03:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.09:1 |
| White text | 10.03:1 |
Values
| HEX | #393F6A |
| RGB | rgb(57, 63, 106) |
| HSL | hsl(233, 30%, 32%) |
| OKLCH | oklch(38.3% 0.073 276.3) |
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 #393F6A | 10.03:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #393F6A | 2.09:1 | Fails | Lc 10.7 | Not readable |
| #393F6A text on white | 10.03:1 | AAA | Lc 93.2 | Preferred for body text |
| #393F6A text on black | 2.09:1 | Fails | Lc -9.3 | 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
#D3D8EE
oklch(88.5% 0.031 275.6)
-
Step 300
300
#B7BEE5
oklch(80.9% 0.056 277.1)
-
Step 400
400
#929CD8
oklch(70.7% 0.089 276.6)
-
Step 500
500
#7882CD
oklch(63% 0.113 276.9)
-
Step 600
600
#616BBA
oklch(55.6% 0.122 276.2)
-
Step 700
700
#5059A0
oklch(49.1% 0.113 276)
-
Step 800
800
#424982
oklch(42.8% 0.094 276.4)
-
Step 900
900 (this color)
#393F6A
oklch(38.3% 0.073 276.3)
-
Step 950
950
#20243D
oklch(26.9% 0.047 275.9)
#393F6A 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) | #30446C | 0.018 |
| Deuteranopia (no green cones) | #2C4069 | 0.018 |
| Tritanopia (no blue cones) | #29484F | 0.065 |
| Achromatopsia (no color) | #424242 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #393F6A
#393F6A
oklch(38.3% 0.073 276.3)
- #4F4309
#4F4309
oklch(38.4% 0.074 96.5)
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 #393F6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.043
- Twilight Blue #0A437A ΔE 0.051
- Charcoal #264653 ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.062
- Marine Blue #01386A ΔE 0.063
- Light Navy #155084 ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.064
Use #393F6A 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.