#394840
Closest named color: Charcoal Grey (#3C4142). oklch(38.6% 0.023 161.8), rgb(57, 72, 64).
Aa
White text reads best on this color (9.65:1).
About this color
#394840 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.025 away. White text reads best on it, at 9.65:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.17:1 |
| White text | 9.65:1 |
Values
| HEX | #394840 |
| RGB | rgb(57, 72, 64) |
| HSL | hsl(148, 12%, 25%) |
| OKLCH | oklch(38.6% 0.023 161.8) |
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 #394840 | 9.65:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #394840 | 2.17:1 | Fails | Lc 11.6 | Not readable |
| #394840 text on white | 9.65:1 | AAA | Lc 92.4 | Preferred for body text |
| #394840 text on black | 2.17:1 | Fails | Lc -10.1 | 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
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D4DBD7
oklch(88.5% 0.009 161.3)
-
Step 300
300
#B7C4BD
oklch(80.8% 0.017 162.6)
-
Step 400
400
#92A69B
oklch(70.6% 0.027 161.6)
-
Step 500
500
#779183
oklch(63.2% 0.036 161.7)
-
Step 600
600
#5F7B6C
oklch(55.6% 0.04 161.4)
-
Step 700
700
#4E675A
oklch(49% 0.036 162)
-
Step 800
800
#40544A
oklch(42.6% 0.03 163.2)
-
Step 900
900 (this color)
#394840
oklch(38.6% 0.023 161.8)
-
Step 950
950
#202924
oklch(27% 0.016 160.8)
#394840 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) | #484640 | 0.024 |
| Deuteranopia (no green cones) | #454440 | 0.022 |
| Tritanopia (no blue cones) | #364846 | 0.010 |
| Achromatopsia (no color) | #454545 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394840
#394840
oklch(38.6% 0.023 161.8)
- #4D3F47
#4D3F47
oklch(38.5% 0.023 343)
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 #394840, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.025
- Dark Slate Gray #2F4F4F ΔE 0.028
- Charcoal #264653 ΔE 0.041
- Dark Teal #014D4E ΔE 0.047
- Onyx #343A40 ΔE 0.048
- Dark Blue Green #005249 ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.052
- Deep Teal #00555A ΔE 0.059
Use #394840 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.