#393A44
Closest named color: Onyx (#343A40). oklch(35.1% 0.017 280.9), rgb(57, 58, 68).
Aa
White text reads best on this color (11.27:1).
About this color
#393A44 is a dark close to neutral grey. In OKLCH its lightness is 35%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.011 away. White text reads best on it, at 11.27:1.
| Hue family | Neutrals |
| Lightness | dark (35%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.86:1 |
| White text | 11.27:1 |
Values
| HEX | #393A44 |
| RGB | rgb(57, 58, 68) |
| HSL | hsl(235, 9%, 25%) |
| OKLCH | oklch(35.1% 0.017 280.9) |
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 #393A44 | 11.27:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #393A44 | 1.86:1 | Fails | Lc 7.8 | Not readable |
| #393A44 text on white | 11.27:1 | AAA | Lc 96.1 | Preferred for body text |
| #393A44 text on black | 1.86:1 | Fails | Lc 0.0 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EC
oklch(93.5% 0.004 286.3)
-
Step 200
200
#D8D9DE
oklch(88.6% 0.007 277.2)
-
Step 300
300
#BFC0C9
oklch(81% 0.013 281)
-
Step 400
400
#9E9FAE
oklch(70.7% 0.022 282.8)
-
Step 500
500
#86889A
oklch(63.1% 0.027 280.6)
-
Step 600
600
#707284
oklch(55.7% 0.028 280.4)
-
Step 700
700
#5E5F70
oklch(49.1% 0.027 282.7)
-
Step 800
800
#4C4E5B
oklch(42.7% 0.022 278.5)
-
Step 900
900 (this color)
#393A44
oklch(35.1% 0.017 280.9)
-
Step 950
950
#25262C
oklch(27% 0.011 278.1)
#393A44 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) | #383B44 | 0.004 |
| Deuteranopia (no green cones) | #373A44 | 0.003 |
| Tritanopia (no blue cones) | #373C3D | 0.016 |
| Achromatopsia (no color) | #3B3B3B | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #393A44
#393A44
oklch(35.1% 0.017 280.9)
- #3D3B31
#3D3B31
oklch(35.1% 0.017 97.8)
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 #393A44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.011
- Charcoal Grey #3C4142 ΔE 0.025
- Dark Blue Grey #1F3B4D ΔE 0.038
- Gunmetal #293241 ΔE 0.039
- Charcoal #264653 ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.051
- Midnight Green #073B4C ΔE 0.055
Use #393A44 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.