#4F5D64
Closest named color: Slate (#516572). oklch(46.9% 0.021 229.4), rgb(79, 93, 100).
Aa
White text reads best on this color (6.81:1).
About this color
#4F5D64 is a medium-dark close to neutral grey. In OKLCH its lightness is 47%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.029 away. White text reads best on it, at 6.81:1.
| Hue family | Neutrals |
| Lightness | medium-dark (47%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.08:1 |
| White text | 6.81:1 |
Values
| HEX | #4F5D64 |
| RGB | rgb(79, 93, 100) |
| HSL | hsl(200, 12%, 35%) |
| OKLCH | oklch(46.9% 0.021 229.4) |
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 #4F5D64 | 6.81:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #4F5D64 | 3.08:1 | AA large text | Lc 20.5 | Dividers and decoration only |
| #4F5D64 text on white | 6.81:1 | AA | Lc 83.5 | Fine for body text |
| #4F5D64 text on black | 3.08:1 | AA large text | Lc -18.4 | 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 700.
-
Step 50
50
#F4F5F6
oklch(97% 0.002 247.8)
-
Step 100
100
#E8EAEB
oklch(93.6% 0.003 228.8)
-
Step 200
200
#D5DADC
oklch(88.5% 0.006 223.5)
-
Step 300
300
#BAC2C6
oklch(80.9% 0.011 228.9)
-
Step 400
400
#97A3A9
oklch(70.8% 0.016 229.1)
-
Step 500
500
#7D8C94
oklch(63.1% 0.021 230.9)
-
Step 600
600
#66767E
oklch(55.5% 0.023 229.4)
-
Step 700
700 (this color)
#4F5D64
oklch(46.9% 0.021 229.4)
-
Step 800
800
#465157
oklch(42.8% 0.017 231.6)
-
Step 900
900
#3B4347
oklch(37.7% 0.013 229.2)
-
Step 950
950
#22272A
oklch(26.9% 0.009 234.1)
#4F5D64 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) | #595C64 | 0.015 |
| Deuteranopia (no green cones) | #565A64 | 0.013 |
| Tritanopia (no blue cones) | #495F5F | 0.015 |
| Achromatopsia (no color) | #5B5B5B | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F5D64
#4F5D64
oklch(46.9% 0.021 229.4)
- #655750
#655750
oklch(46.8% 0.022 48.2)
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 #4F5D64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.029
- Dusty Grape #545775 ΔE 0.039
- YInMn Blue #415A77 ΔE 0.039
- Dim Gray #696969 ΔE 0.056
- Dark Green Blue #1F6357 ΔE 0.061
- Dusk #4E5481 ΔE 0.062
- Petrol #005F6A ΔE 0.063
- Dark Aqua #05696B ΔE 0.063
Use #4F5D64 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.