#4E6166
Closest named color: Slate (#516572). oklch(47.9% 0.024 215.5), rgb(78, 97, 102).
Aa
White text reads best on this color (6.51:1).
About this color
#4E6166 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 0.021 away. White text reads best on it, at 6.51:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.22:1 |
| White text | 6.51:1 |
Values
| HEX | #4E6166 |
| RGB | rgb(78, 97, 102) |
| HSL | hsl(193, 13%, 35%) |
| OKLCH | oklch(47.9% 0.024 215.5) |
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 #4E6166 | 6.51:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #4E6166 | 3.22:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #4E6166 text on white | 6.51:1 | AA | Lc 82.3 | Fine for body text |
| #4E6166 text on black | 3.22:1 | AA large text | Lc -19.6 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEB
oklch(93.5% 0.004 219.5)
-
Step 200
200
#D4DADC
oklch(88.4% 0.007 219.6)
-
Step 300
300
#B9C3C5
oklch(81% 0.011 211)
-
Step 400
400
#94A4A8
oklch(70.7% 0.019 214.4)
-
Step 500
500
#7A8D93
oklch(63% 0.024 218.8)
-
Step 600
600
#62787D
oklch(55.7% 0.027 213)
-
Step 700
700 (this color)
#4E6166
oklch(47.9% 0.024 215.5)
-
Step 800
800
#435256
oklch(42.7% 0.02 215.7)
-
Step 900
900
#384447
oklch(37.7% 0.016 214.5)
-
Step 950
950
#212829
oklch(27% 0.01 207.1)
#4E6166 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) | #5D6066 | 0.022 |
| Deuteranopia (no green cones) | #595C66 | 0.021 |
| Tritanopia (no blue cones) | #476362 | 0.014 |
| Achromatopsia (no color) | #5E5E5E | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E6166
#4E6166
oklch(47.9% 0.024 215.5)
- #6A5954
#6A5954
oklch(47.9% 0.024 37)
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 #4E6166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.021
- YInMn Blue #415A77 ΔE 0.044
- Dusty Grape #545775 ΔE 0.046
- Dim Gray #696969 ΔE 0.049
- Dark Aqua #05696B ΔE 0.057
- Dark Green Blue #1F6357 ΔE 0.058
- Petrol #005F6A ΔE 0.063
- Denim #3B638C ΔE 0.063
Use #4E6166 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.