#394940
Closest named color: Dark Slate Gray (#2F4F4F). oklch(38.8% 0.025 160.3), rgb(57, 73, 64).
Aa
White text reads best on this color (9.54:1).
About this color
#394940 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.027 away. White text reads best on it, at 9.54:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.20:1 |
| White text | 9.54:1 |
Values
| HEX | #394940 |
| RGB | rgb(57, 73, 64) |
| HSL | hsl(146, 12%, 25%) |
| OKLCH | oklch(38.8% 0.025 160.3) |
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 #394940 | 9.54:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #394940 | 2.20:1 | Fails | Lc 11.9 | Not readable |
| #394940 text on white | 9.54:1 | AAA | Lc 92.1 | Preferred for body text |
| #394940 text on black | 2.20:1 | Fails | Lc -10.3 | 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
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D3DBD7
oklch(88.4% 0.01 164.8)
-
Step 300
300
#B7C5BC
oklch(81% 0.02 157.8)
-
Step 400
400
#91A79A
oklch(70.8% 0.031 159.6)
-
Step 500
500
#769182
oklch(63.1% 0.038 160.8)
-
Step 600
600
#5E7B6B
oklch(55.5% 0.042 160.5)
-
Step 700
700
#4D6859
oklch(49.1% 0.04 160.2)
-
Step 800
800
#3F5549
oklch(42.7% 0.034 160.7)
-
Step 900
900 (this color)
#394940
oklch(38.8% 0.025 160.3)
-
Step 950
950
#202924
oklch(27% 0.016 160.8)
#394940 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) | #494740 | 0.025 |
| Deuteranopia (no green cones) | #464540 | 0.023 |
| Tritanopia (no blue cones) | #364946 | 0.010 |
| Achromatopsia (no color) | #454545 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394940
#394940
oklch(38.8% 0.025 160.3)
- #4E3F49
#4E3F49
oklch(38.7% 0.026 338.6)
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 #394940, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.027
- Charcoal Grey #3C4142 ΔE 0.028
- Charcoal #264653 ΔE 0.043
- Dark Teal #014D4E ΔE 0.047
- Dark Blue Green #005249 ΔE 0.048
- Onyx #343A40 ΔE 0.052
- Dark Grey Blue #29465B ΔE 0.053
- Deep Teal #00555A ΔE 0.057
Use #394940 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.