#4F615B
Closest named color: Slate (#516572). oklch(47.6% 0.024 173), rgb(79, 97, 91).
Aa
White text reads best on this color (6.57:1).
About this color
#4F615B is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.036 away. White text reads best on it, at 6.57:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.19:1 |
| White text | 6.57:1 |
Values
| HEX | #4F615B |
| RGB | rgb(79, 97, 91) |
| HSL | hsl(160, 10%, 35%) |
| OKLCH | oklch(47.6% 0.024 173) |
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 #4F615B | 6.57:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #4F615B | 3.19:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #4F615B text on white | 6.57:1 | AA | Lc 82.6 | Fine for body text |
| #4F615B text on black | 3.19:1 | AA large text | Lc -19.4 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EAE9
oklch(93.5% 0.003 165.1)
-
Step 200
200
#D5DAD9
oklch(88.4% 0.006 183)
-
Step 300
300
#B9C3C0
oklch(80.9% 0.012 176.2)
-
Step 400
400
#95A59F
oklch(70.8% 0.02 171.2)
-
Step 500
500
#7C8E88
oklch(63% 0.023 173.5)
-
Step 600
600
#647872
oklch(55.5% 0.025 175.3)
-
Step 700
700 (this color)
#4F615B
oklch(47.6% 0.024 173)
-
Step 800
800
#44534E
oklch(42.8% 0.021 173.1)
-
Step 900
900
#3A4441
oklch(37.7% 0.014 175.5)
-
Step 950
950
#222826
oklch(27% 0.009 173.5)
#4F615B 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) | #605F5B | 0.025 |
| Deuteranopia (no green cones) | #5C5C5B | 0.023 |
| Tritanopia (no blue cones) | #4B615F | 0.008 |
| Achromatopsia (no color) | #5D5D5D | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F615B
#4F615B
oklch(47.6% 0.024 173)
- #68575D
#68575D
oklch(47.6% 0.024 354.8)
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 #4F615B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.036
- Dim Gray #696969 ΔE 0.051
- Dark Green Blue #1F6357 ΔE 0.051
- Dark Aqua #05696B ΔE 0.058
- YInMn Blue #415A77 ΔE 0.059
- Dusty Grape #545775 ΔE 0.061
- Petrol #005F6A ΔE 0.066
- Dark Aquamarine #017371 ΔE 0.069
Use #4F615B 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.