#394743
Closest named color: Charcoal Grey (#3C4142). oklch(38.4% 0.019 176), rgb(57, 71, 67).
Aa
White text reads best on this color (9.73:1).
About this color
#394743 is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.019 away. White text reads best on it, at 9.73:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.15:1 |
| White text | 9.73:1 |
Values
| HEX | #394743 |
| RGB | rgb(57, 71, 67) |
| HSL | hsl(163, 11%, 25%) |
| OKLCH | oklch(38.4% 0.019 176) |
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 #394743 | 9.73:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #394743 | 2.15:1 | Fails | Lc 11.4 | Not readable |
| #394743 text on white | 9.73:1 | AAA | Lc 92.6 | Preferred for body text |
| #394743 text on black | 2.15:1 | Fails | Lc -9.9 | 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
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D4DBD9
oklch(88.5% 0.008 177.3)
-
Step 300
300
#B7C4C0
oklch(80.9% 0.015 175.6)
-
Step 400
400
#92A6A0
oklch(70.8% 0.024 175.6)
-
Step 500
500
#779089
oklch(63.2% 0.03 176.5)
-
Step 600
600
#607A72
oklch(55.6% 0.033 174.3)
-
Step 700
700
#4F6660
oklch(49% 0.029 177.3)
-
Step 800
800
#41544E
oklch(42.8% 0.026 173.8)
-
Step 900
900 (this color)
#394743
oklch(38.4% 0.019 176)
-
Step 950
950
#202826
oklch(26.8% 0.012 178.5)
#394743 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) | #464543 | 0.021 |
| Deuteranopia (no green cones) | #434343 | 0.019 |
| Tritanopia (no blue cones) | #364746 | 0.006 |
| Achromatopsia (no color) | #444444 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394743
#394743
oklch(38.4% 0.019 176)
- #4C3F44
#4C3F44
oklch(38.3% 0.02 352.9)
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 #394743, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.019
- Dark Slate Gray #2F4F4F ΔE 0.028
- Charcoal #264653 ΔE 0.036
- Onyx #343A40 ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.046
- Dark Teal #014D4E ΔE 0.047
- Dark Blue Green #005249 ΔE 0.052
- Deep Teal #00555A ΔE 0.058
Use #394743 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.