#393E5D
Closest named color: Dark Grey Blue (#29465B). oklch(37.3% 0.054 276.5), rgb(57, 62, 93).
Aa
White text reads best on this color (10.39:1).
About this color
#393E5D is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.054 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.032 away. White text reads best on it, at 10.39:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.02:1 |
| White text | 10.39:1 |
Values
| HEX | #393E5D |
| RGB | rgb(57, 62, 93) |
| HSL | hsl(232, 24%, 29%) |
| OKLCH | oklch(37.3% 0.054 276.5) |
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 #393E5D | 10.39:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #393E5D | 2.02:1 | Fails | Lc 9.8 | Not readable |
| #393E5D text on white | 10.39:1 | AAA | Lc 94.1 | Preferred for body text |
| #393E5D text on black | 2.02:1 | Fails | Lc -8.5 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D5D8E8
oklch(88.5% 0.022 277.5)
-
Step 300
300
#B9BFDB
oklch(80.9% 0.04 275.9)
-
Step 400
400
#969EC9
oklch(70.8% 0.064 276.4)
-
Step 500
500
#7C85BB
oklch(63.1% 0.082 276.5)
-
Step 600
600
#656EA7
oklch(55.5% 0.089 276.2)
-
Step 700
700
#545C90
oklch(49.1% 0.084 276.2)
-
Step 800
800
#454B75
oklch(42.7% 0.07 276.8)
-
Step 900
900 (this color)
#393E5D
oklch(37.3% 0.054 276.5)
-
Step 950
950
#222537
oklch(27% 0.034 276.6)
#393E5D 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) | #34415E | 0.011 |
| Deuteranopia (no green cones) | #323F5C | 0.011 |
| Tritanopia (no blue cones) | #2F4449 | 0.048 |
| Achromatopsia (no color) | #404040 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #393E5D
#393E5D
oklch(37.3% 0.054 276.5)
- #49411D
#49411D
oklch(37.5% 0.054 97)
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 #393E5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.032
- Charcoal #264653 ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.048
- Onyx #343A40 ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.052
- Twilight Blue #0A437A ΔE 0.064
- Gunmetal #293241 ΔE 0.064
Use #393E5D 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.