#635866
Closest named color: Dusty Grape (#545775). oklch(47.6% 0.026 319), rgb(99, 88, 102).
Aa
White text reads best on this color (6.73:1).
About this color
#635866 is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.034 away. White text reads best on it, at 6.73:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.11:1 |
| White text | 6.73:1 |
Values
| HEX | #635866 |
| RGB | rgb(99, 88, 102) |
| HSL | hsl(287, 7%, 37%) |
| OKLCH | oklch(47.6% 0.026 319) |
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 #635866 | 6.73:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #635866 | 3.11:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #635866 text on white | 6.73:1 | AA | Lc 83.2 | Fine for body text |
| #635866 text on black | 3.11:1 | AA large text | Lc -18.7 | 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
#A69DA9
oklch(70.7% 0.02 317.7)
-
Step 500
500
#908594
oklch(63.1% 0.026 317.1)
-
Step 600
600
#7B6E7E
oklch(55.6% 0.029 319.9)
-
Step 700
700 (this color)
#635866
oklch(47.6% 0.026 319)
-
Step 800
800
#544B57
oklch(42.6% 0.023 317.7)
-
Step 900
900
#463F47
oklch(37.8% 0.016 322)
-
Step 950
950
#29252A
oklch(27.1% 0.011 319.5)
#635866 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) | #575B67 | 0.020 |
| Deuteranopia (no green cones) | #595C65 | 0.019 |
| Tritanopia (no blue cones) | #63595D | 0.016 |
| Achromatopsia (no color) | #5C5C5C | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635866
#635866
oklch(47.6% 0.026 319)
- #556052
#556052
oklch(47.5% 0.026 139)
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 #635866, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.034
- Slate #516572 ΔE 0.043
- Dim Gray #696969 ΔE 0.052
- YInMn Blue #415A77 ΔE 0.054
- Dusk #4E5481 ΔE 0.059
- Brownish Purple #76424E ΔE 0.066
- Dark Mauve #874C62 ΔE 0.068
- Dull Purple #84597E ΔE 0.070
Use #635866 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.