#4F4E51
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.6% 0.005 301.3), rgb(79, 78, 81).
Aa
White text reads best on this color (8.26:1).
About this color
#4F4E51 is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.005. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.046 away. White text reads best on it, at 8.26:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.005) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.54:1 |
| White text | 8.26:1 |
Values
| HEX | #4F4E51 |
| RGB | rgb(79, 78, 81) |
| HSL | hsl(260, 2%, 31%) |
| OKLCH | oklch(42.6% 0.005 301.3) |
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 #4F4E51 | 8.26:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #4F4E51 | 2.54:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #4F4E51 text on white | 8.26:1 | AAA | Lc 88.6 | Fine for body text |
| #4F4E51 text on black | 2.54:1 | Fails | Lc -13.6 | 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
#EAEAEA
oklch(93.7% 0 0)
-
Step 200
200
#D9D9DA
oklch(88.6% 0.001 286.4)
-
Step 300
300
#C1C0C2
oklch(80.9% 0.003 308.4)
-
Step 400
400
#A1A0A3
oklch(70.8% 0.004 301.4)
-
Step 500
500
#8A898D
oklch(63.2% 0.006 297.7)
-
Step 600
600
#747277
oklch(55.5% 0.008 304.1)
-
Step 700
700
#616064
oklch(49.1% 0.006 297.6)
-
Step 800
800 (this color)
#4F4E51
oklch(42.6% 0.005 301.3)
-
Step 900
900
#424143
oklch(37.7% 0.004 308.4)
-
Step 950
950
#272627
oklch(27% 0.002 325.6)
#4F4E51 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) | #4E4E51 | 0.002 |
| Deuteranopia (no green cones) | #4E4E51 | 0.002 |
| Tritanopia (no blue cones) | #4F4E4F | 0.003 |
| Achromatopsia (no color) | #4E4E4E | 0.005 |
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 #4F4E51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.056
- Dusty Grape #545775 ΔE 0.060
- YInMn Blue #415A77 ΔE 0.063
- Dark Grey Blue #29465B ΔE 0.066
- Purple Brown #673A3F ΔE 0.066
- Charcoal #264653 ΔE 0.066
- Deep Teal #00555A ΔE 0.073
Use #4F4E51 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.