#394B48
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.6% 0.023 183.8), rgb(57, 75, 72).
Aa
White text reads best on this color (9.23:1).
About this color
#394B48 is a dark close to neutral grey. In OKLCH its lightness is 40%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.017 away. White text reads best on it, at 9.23:1.
| Hue family | Neutrals |
| Lightness | dark (40%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.27:1 |
| White text | 9.23:1 |
Values
| HEX | #394B48 |
| RGB | rgb(57, 75, 72) |
| HSL | hsl(170, 14%, 26%) |
| OKLCH | oklch(39.6% 0.023 183.8) |
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 #394B48 | 9.23:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #394B48 | 2.27:1 | Fails | Lc 12.7 | Not readable |
| #394B48 text on white | 9.23:1 | AAA | Lc 91.3 | Preferred for body text |
| #394B48 text on black | 2.27:1 | Fails | Lc -11.1 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D3DBDA
oklch(88.5% 0.009 188.1)
-
Step 300
300
#B5C4C2
oklch(80.8% 0.017 187.2)
-
Step 400
400
#8EA7A2
oklch(70.8% 0.029 182)
-
Step 500
500
#72918C
oklch(63.2% 0.036 184.3)
-
Step 600
600
#5A7B76
oklch(55.6% 0.038 184.6)
-
Step 700
700
#4A6863
oklch(49.2% 0.036 183.4)
-
Step 800
800
#3D5551
oklch(42.9% 0.03 183.5)
-
Step 900
900 (this color)
#394B48
oklch(39.6% 0.023 183.8)
-
Step 950
950
#1F2927
oklch(27.1% 0.014 181.6)
#394B48 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) | #494948 | 0.024 |
| Deuteranopia (no green cones) | #464648 | 0.024 |
| Tritanopia (no blue cones) | #344C4A | 0.007 |
| Achromatopsia (no color) | #474747 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394B48
#394B48
oklch(39.6% 0.023 183.8)
- #524245
#524245
oklch(39.7% 0.023 5.5)
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 #394B48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.017
- Charcoal Grey #3C4142 ΔE 0.031
- Charcoal #264653 ΔE 0.037
- Dark Teal #014D4E ΔE 0.045
- Dark Grey Blue #29465B ΔE 0.045
- Dark Blue Green #005249 ΔE 0.047
- Deep Teal #00555A ΔE 0.050
- Onyx #343A40 ΔE 0.056
Use #394B48 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.