#393849
Closest named color: Onyx (#343A40). oklch(34.9% 0.029 287.5), rgb(57, 56, 73).
Aa
White text reads best on this color (11.43:1).
About this color
#393849 is a dark close to neutral grey. In OKLCH its lightness is 35%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.021 away. White text reads best on it, at 11.43:1.
| Hue family | Neutrals |
| Lightness | dark (35%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.83:1 |
| White text | 11.43:1 |
Values
| HEX | #393849 |
| RGB | rgb(57, 56, 73) |
| HSL | hsl(244, 13%, 25%) |
| OKLCH | oklch(34.9% 0.029 287.5) |
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 #393849 | 11.43:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #393849 | 1.83:1 | Fails | Lc 7.5 | Not readable |
| #393849 text on white | 11.43:1 | AAA | Lc 96.4 | Preferred for body text |
| #393849 text on black | 1.83:1 | 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
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D8D8E1
oklch(88.5% 0.012 286.1)
-
Step 300
300
#BFBFCF
oklch(81% 0.022 285.9)
-
Step 400
400
#9F9EB6
oklch(70.8% 0.035 287.4)
-
Step 500
500
#8786A4
oklch(63.1% 0.045 286.6)
-
Step 600
600
#716F8F
oklch(55.5% 0.049 287.5)
-
Step 700
700
#5F5D7A
oklch(49.1% 0.046 287.7)
-
Step 800
800
#4D4C63
oklch(42.7% 0.038 286.7)
-
Step 900
900 (this color)
#393849
oklch(34.9% 0.029 287.5)
-
Step 950
950
#26252F
oklch(27% 0.018 289.7)
#393849 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) | #343A4A | 0.010 |
| Deuteranopia (no green cones) | #343949 | 0.008 |
| Tritanopia (no blue cones) | #363B3E | 0.025 |
| Achromatopsia (no color) | #3A3A3A | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #393849
#393849
oklch(34.9% 0.029 287.5)
- #3C3B2A
#3C3B2A
oklch(34.8% 0.028 104.9)
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 #393849, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.021
- Gunmetal #293241 ΔE 0.036
- Charcoal Grey #3C4142 ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.045
- Charcoal #264653 ΔE 0.047
- Dark Grey Blue #29465B ΔE 0.049
- Prussian Blue #1D3557 ΔE 0.050
Use #393849 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.