#4F4E57
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.8% 0.015 290.9), rgb(79, 78, 87).
Aa
White text reads best on this color (8.20:1).
About this color
#4F4E57 is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.049 away. White text reads best on it, at 8.20:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.55:1 |
| White text | 8.20:1 |
Values
| HEX | #4F4E57 |
| RGB | rgb(79, 78, 87) |
| HSL | hsl(247, 5%, 32%) |
| OKLCH | oklch(42.8% 0.015 290.9) |
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 #4F4E57 | 8.20:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #4F4E57 | 2.55:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #4F4E57 text on white | 8.20:1 | AAA | Lc 88.4 | Fine for body text |
| #4F4E57 text on black | 2.55:1 | Fails | Lc -13.8 | 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 800.
-
Step 50
50
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#EAE9EB
oklch(93.5% 0.003 308.4)
-
Step 200
200
#D9D8DC
oklch(88.4% 0.006 297.7)
-
Step 300
300
#C0C0C6
oklch(81% 0.008 286.2)
-
Step 400
400
#A09FA9
oklch(70.6% 0.014 290.6)
-
Step 500
500
#898894
oklch(63.2% 0.018 289.7)
-
Step 600
600
#73727E
oklch(55.7% 0.018 289.6)
-
Step 700
700
#605F6A
oklch(49% 0.017 289.9)
-
Step 800
800 (this color)
#4F4E57
oklch(42.8% 0.015 290.9)
-
Step 900
900
#414147
oklch(37.8% 0.01 285.9)
-
Step 950
950
#26262A
oklch(27% 0.007 285.9)
#4F4E57 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) | #4C4F57 | 0.005 |
| Deuteranopia (no green cones) | #4C4F57 | 0.005 |
| Tritanopia (no blue cones) | #4E4F51 | 0.012 |
| Achromatopsia (no color) | #4F4F4F | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4F4E57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.049
- Dusty Grape #545775 ΔE 0.051
- YInMn Blue #415A77 ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.059
- Dark Grey Blue #29465B ΔE 0.063
- Charcoal #264653 ΔE 0.066
- Dusk #4E5481 ΔE 0.068
- Purple Brown #673A3F ΔE 0.068
Use #4F4E57 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.