#685C6C
Closest named color: Slate (#516572). oklch(49.2% 0.029 317.7), rgb(104, 92, 108).
Aa
White text reads best on this color (6.29:1).
About this color
#685C6C is a medium-dark close to neutral grey. In OKLCH its lightness is 49%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.040 away. White text reads best on it, at 6.29:1.
| Hue family | Neutrals |
| Lightness | medium-dark (49%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.33:1 |
| White text | 6.29:1 |
Values
| HEX | #685C6C |
| RGB | rgb(104, 92, 108) |
| HSL | hsl(285, 8%, 39%) |
| OKLCH | oklch(49.2% 0.029 317.7) |
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 #685C6C | 6.29:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #685C6C | 3.33:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #685C6C text on white | 6.29:1 | AA | Lc 81.4 | Fine for body text |
| #685C6C text on black | 3.33:1 | AA large text | Lc -20.5 | 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EBE9EC
oklch(93.6% 0.005 314.8)
-
Step 200
200
#DBD7DC
oklch(88.4% 0.008 319.4)
-
Step 300
300
#C4BEC7
oklch(80.9% 0.014 314.7)
-
Step 400
400
#A79CAA
oklch(70.7% 0.024 319)
-
Step 500
500
#918495
oklch(63% 0.029 318.2)
-
Step 600
600
#7B6E80
oklch(55.6% 0.031 316.7)
-
Step 700
700 (this color)
#685C6C
oklch(49.2% 0.029 317.7)
-
Step 800
800
#554B58
oklch(42.7% 0.025 318.4)
-
Step 900
900
#463F48
oklch(37.8% 0.018 318.7)
-
Step 950
950
#29252A
oklch(27.1% 0.011 319.5)
#685C6C 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) | #5A5F6D | 0.023 |
| Deuteranopia (no green cones) | #5D606B | 0.021 |
| Tritanopia (no blue cones) | #685E61 | 0.021 |
| Achromatopsia (no color) | #606060 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #685C6C
#685C6C
oklch(49.2% 0.029 317.7)
- #596555
#596555
oklch(49.2% 0.029 137.9)
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 #685C6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.040
- Dusty Grape #545775 ΔE 0.040
- Dim Gray #696969 ΔE 0.041
- Dull Purple #84597E ΔE 0.059
- YInMn Blue #415A77 ΔE 0.061
- Muted Purple #805B87 ΔE 0.062
- Dusty Purple #825F87 ΔE 0.063
- Dusky Purple #895B7B ΔE 0.063
Use #685C6C 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.