#685C6B
Closest named color: Slate (#516572). oklch(49.2% 0.028 319.5), rgb(104, 92, 107).
Aa
White text reads best on this color (6.30:1).
About this color
#685C6B is a medium-dark close to neutral grey. In OKLCH its lightness is 49%, its chroma 0.028. 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 6.30:1.
| Hue family | Neutrals |
| Lightness | medium-dark (49%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.33:1 |
| White text | 6.30:1 |
Values
| HEX | #685C6B |
| RGB | rgb(104, 92, 107) |
| HSL | hsl(288, 8%, 39%) |
| OKLCH | oklch(49.2% 0.028 319.5) |
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 #685C6B | 6.30:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #685C6B | 3.33:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #685C6B text on white | 6.30:1 | AA | Lc 81.4 | Fine for body text |
| #685C6B 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
#EBE9EB
oklch(93.6% 0.003 325.6)
-
Step 200
200
#DBD8DC
oklch(88.6% 0.006 317.8)
-
Step 300
300
#C4BEC6
oklch(80.9% 0.013 317.7)
-
Step 400
400
#A79DA9
oklch(70.8% 0.021 320.6)
-
Step 500
500
#918494
oklch(63% 0.028 319.9)
-
Step 600
600
#7B6E7F
oklch(55.6% 0.03 318.2)
-
Step 700
700 (this color)
#685C6B
oklch(49.2% 0.028 319.5)
-
Step 800
800
#554B57
oklch(42.7% 0.023 320.6)
-
Step 900
900
#463F48
oklch(37.8% 0.018 318.7)
-
Step 950
950
#29252A
oklch(27.1% 0.011 319.5)
#685C6B 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) | #5B5F6C | 0.021 |
| Deuteranopia (no green cones) | #5D606A | 0.021 |
| Tritanopia (no blue cones) | #685D61 | 0.017 |
| Achromatopsia (no color) | #606060 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #685C6B
#685C6B
oklch(49.2% 0.028 319.5)
- #596556
#596556
oklch(49.2% 0.028 139.4)
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 #685C6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.040
- Dim Gray #696969 ΔE 0.040
- Dusty Grape #545775 ΔE 0.041
- Dull Purple #84597E ΔE 0.060
- YInMn Blue #415A77 ΔE 0.061
- Muted Purple #805B87 ΔE 0.063
- Dusky Purple #895B7B ΔE 0.064
- Dusk #4E5481 ΔE 0.064
Use #685C6B 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.