#4B504F
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.6% 0.007 182.8), rgb(75, 80, 79).
Aa
White text reads best on this color (8.20:1).
About this color
#4B504F is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.007. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.039 away. White text reads best on it, at 8.20:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.007) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.55:1 |
| White text | 8.20:1 |
Values
| HEX | #4B504F |
| RGB | rgb(75, 80, 79) |
| HSL | hsl(168, 3%, 30%) |
| OKLCH | oklch(42.6% 0.007 182.8) |
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 #4B504F | 8.20:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #4B504F | 2.55:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #4B504F text on white | 8.20:1 | AAA | Lc 88.4 | Fine for body text |
| #4B504F 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
#F5F5F5
oklch(97% 0 0)
-
Step 100
100
#E9EAEA
oklch(93.6% 0.001 197.1)
-
Step 200
200
#D7D9D9
oklch(88.4% 0.002 197.1)
-
Step 300
300
#BEC1C1
oklch(80.9% 0.003 197.1)
-
Step 400
400
#9DA2A1
oklch(70.8% 0.006 183)
-
Step 500
500
#848B8A
oklch(63.1% 0.008 186.8)
-
Step 600
600
#6E7574
oklch(55.6% 0.009 186.7)
-
Step 700
700
#5C6261
oklch(49.1% 0.008 185)
-
Step 800
800 (this color)
#4B504F
oklch(42.6% 0.007 182.8)
-
Step 900
900
#3F4242
oklch(37.6% 0.004 197)
-
Step 950
950
#252726
oklch(27% 0.003 164.8)
#4B504F 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) | #4F4F4F | 0.007 |
| Deuteranopia (no green cones) | #4E4F4F | 0.005 |
| Tritanopia (no blue cones) | #4A5050 | 0.002 |
| Achromatopsia (no color) | #4F4F4F | 0.007 |
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 #4B504F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.039
- Charcoal Grey #3C4142 ΔE 0.056
- Dusty Grape #545775 ΔE 0.064
- YInMn Blue #415A77 ΔE 0.064
- Charcoal #264653 ΔE 0.064
- Dark Grey Blue #29465B ΔE 0.065
- Deep Teal #00555A ΔE 0.066
- Dark Green Blue #1F6357 ΔE 0.069
Use #4B504F 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.