#394966
Closest named color: Dark Grey Blue (#29465B). oklch(40.5% 0.053 262), rgb(57, 73, 102).
Aa
White text reads best on this color (9.05:1).
About this color
#394966 is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.053 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.030 away. White text reads best on it, at 9.05:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.31:1 |
| White text | 9.05:1 |
Values
| HEX | #394966 |
| RGB | rgb(57, 73, 102) |
| HSL | hsl(219, 28%, 31%) |
| OKLCH | oklch(40.5% 0.053 262) |
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 #394966 | 9.05:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #394966 | 2.31:1 | Fails | Lc 13.2 | Not readable |
| #394966 text on white | 9.05:1 | AAA | Lc 90.8 | Preferred for body text |
| #394966 text on black | 2.31:1 | Fails | Lc -11.5 | 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 800.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D3D9E5
oklch(88.4% 0.018 264.5)
-
Step 300
300
#B6C1D5
oklch(80.9% 0.031 262.5)
-
Step 400
400
#90A1C0
oklch(70.6% 0.049 262.4)
-
Step 500
500
#748AB1
oklch(63.1% 0.064 261.7)
-
Step 600
600
#5D749C
oklch(55.7% 0.068 261.2)
-
Step 700
700
#4D6186
oklch(49.2% 0.065 262.3)
-
Step 800
800 (this color)
#394966
oklch(40.5% 0.053 262)
-
Step 900
900
#354258
oklch(37.7% 0.042 260.8)
-
Step 950
950
#1F2733
oklch(27.1% 0.025 258.3)
#394966 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) | #3F4B67 | 0.011 |
| Deuteranopia (no green cones) | #3A4765 | 0.006 |
| Tritanopia (no blue cones) | #294F53 | 0.048 |
| Achromatopsia (no color) | #494949 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394966
#394966
oklch(40.5% 0.053 262)
- #574626
#574626
oklch(40.4% 0.053 82.1)
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 #394966, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.030
- Charcoal #264653 ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.051
- YInMn Blue #415A77 ΔE 0.056
- Light Navy #155084 ΔE 0.057
- Deep Sea Blue #015482 ΔE 0.060
- Charcoal Grey #3C4142 ΔE 0.060
- Twilight Blue #0A437A ΔE 0.061
Use #394966 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.