#4F554D
Closest named color: Dark Slate Gray (#2F4F4F). oklch(44.2% 0.015 137.8), rgb(79, 85, 77).
Aa
White text reads best on this color (7.66:1).
About this color
#4F554D is a dark close to neutral grey. In OKLCH its lightness is 44%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.050 away. White text reads best on it, at 7.66:1.
| Hue family | Neutrals |
| Lightness | dark (44%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.73:1 |
| White text | 7.66:1 |
Values
| HEX | #4F554D |
| RGB | rgb(79, 85, 77) |
| HSL | hsl(105, 5%, 32%) |
| OKLCH | oklch(44.2% 0.015 137.8) |
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 #4F554D | 7.66:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #4F554D | 2.73:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #4F554D text on white | 7.66:1 | AAA | Lc 86.7 | Fine for body text |
| #4F554D text on black | 2.73:1 | Fails | Lc -15.4 | Dividers and decoration only |
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
#E9EAE8
oklch(93.6% 0.003 128.5)
-
Step 200
200
#D7DAD7
oklch(88.5% 0.005 145.5)
-
Step 300
300
#BEC2BC
oklch(80.9% 0.009 134.9)
-
Step 400
400
#9CA39A
oklch(70.7% 0.015 138.7)
-
Step 500
500
#848C82
oklch(63% 0.017 139.4)
-
Step 600
600
#6E766B
oklch(55.6% 0.019 137.1)
-
Step 700
700
#5C6359
oklch(49% 0.018 136.2)
-
Step 800
800 (this color)
#4F554D
oklch(44.2% 0.015 137.8)
-
Step 900
900
#3F433D
oklch(37.7% 0.011 135)
-
Step 950
950
#252724
oklch(27% 0.006 134.9)
#4F554D 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) | #56544D | 0.011 |
| Deuteranopia (no green cones) | #55534D | 0.011 |
| Tritanopia (no blue cones) | #4F5453 | 0.011 |
| Achromatopsia (no color) | #535353 | 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 #4F554D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.050
- Dark Green Blue #1F6357 ΔE 0.061
- Slate #516572 ΔE 0.065
- Dusty Grape #545775 ΔE 0.066
- YInMn Blue #415A77 ΔE 0.067
- Charcoal Grey #3C4142 ΔE 0.072
- Pine #2B5D34 ΔE 0.072
- Deep Teal #00555A ΔE 0.072
Use #4F554D 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.