#394949
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.2% 0.02 196.4), rgb(57, 73, 73).
Aa
White text reads best on this color (9.44:1).
About this color
#394949 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.021 away. White text reads best on it, at 9.44:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.22:1 |
| White text | 9.44:1 |
Values
| HEX | #394949 |
| RGB | rgb(57, 73, 73) |
| HSL | hsl(180, 12%, 25%) |
| OKLCH | oklch(39.2% 0.02 196.4) |
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 #394949 | 9.44:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #394949 | 2.22:1 | Fails | Lc 12.1 | Not readable |
| #394949 text on white | 9.44:1 | AAA | Lc 91.8 | Preferred for body text |
| #394949 text on black | 2.22:1 | Fails | Lc -10.5 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EBEB
oklch(93.7% 0.004 197.1)
-
Step 200
200
#D3DBDB
oklch(88.5% 0.009 197)
-
Step 300
300
#B6C4C4
oklch(81% 0.015 196.9)
-
Step 400
400
#90A6A6
oklch(70.8% 0.025 196.6)
-
Step 500
500
#749090
oklch(63.2% 0.032 196.4)
-
Step 600
600
#5C7A7A
oklch(55.6% 0.034 196.2)
-
Step 700
700
#4C6767
oklch(49.2% 0.032 196.2)
-
Step 800
800
#3E5454
oklch(42.8% 0.027 196.2)
-
Step 900
900 (this color)
#394949
oklch(39.2% 0.02 196.4)
-
Step 950
950
#1F2828
oklch(26.8% 0.013 196.4)
#394949 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) | #474749 | 0.022 |
| Deuteranopia (no green cones) | #444549 | 0.020 |
| Tritanopia (no blue cones) | #344A49 | 0.007 |
| Achromatopsia (no color) | #464646 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394949
#394949
oklch(39.2% 0.02 196.4)
- #504142
#504142
oklch(39.1% 0.021 13.6)
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 #394949, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.021
- Charcoal Grey #3C4142 ΔE 0.025
- Charcoal #264653 ΔE 0.032
- Dark Grey Blue #29465B ΔE 0.040
- Dark Teal #014D4E ΔE 0.045
- Onyx #343A40 ΔE 0.049
- Dark Blue Green #005249 ΔE 0.051
- Deep Teal #00555A ΔE 0.052
Use #394949 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.