#635666
Closest named color: Dusty Grape (#545775). oklch(47.2% 0.03 319.9), rgb(99, 86, 102).
Aa
White text reads best on this color (6.87:1).
About this color
#635666 is a medium-dark, muted purple. In OKLCH its lightness is 47%, its chroma 0.030 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.033 away. White text reads best on it, at 6.87:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.030) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.05:1 |
| White text | 6.87:1 |
Values
| HEX | #635666 |
| RGB | rgb(99, 86, 102) |
| HSL | hsl(289, 9%, 37%) |
| OKLCH | oklch(47.2% 0.03 319.9) |
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 #635666 | 6.87:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #635666 | 3.05:1 | AA large text | Lc 20.3 | Dividers and decoration only |
| #635666 text on white | 6.87:1 | AA | Lc 83.8 | Fine for body text |
| #635666 text on black | 3.05:1 | AA large text | Lc -18.2 | 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
#C5BEC7
oklch(81% 0.015 318.7)
-
Step 400
400
#A79CAA
oklch(70.7% 0.024 319)
-
Step 500
500
#928495
oklch(63.1% 0.03 320.3)
-
Step 600
600
#7C6D7F
oklch(55.5% 0.033 320.6)
-
Step 700
700 (this color)
#635666
oklch(47.2% 0.03 319.9)
-
Step 800
800
#554B58
oklch(42.7% 0.025 318.4)
-
Step 900
900
#463E48
oklch(37.6% 0.02 319.5)
-
Step 950
950
#29252A
oklch(27.1% 0.011 319.5)
#635666 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) | #545967 | 0.024 |
| Deuteranopia (no green cones) | #575B65 | 0.024 |
| Tritanopia (no blue cones) | #63585B | 0.021 |
| Achromatopsia (no color) | #5A5A5A | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635666
#635666
oklch(47.2% 0.03 319.9)
- #536050
#536050
oklch(47.3% 0.03 139.8)
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 #635666, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.033
- Slate #516572 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.054
- Dusk #4E5481 ΔE 0.056
- Dim Gray #696969 ΔE 0.058
- Brownish Purple #76424E ΔE 0.062
- Dark Mauve #874C62 ΔE 0.066
- Dull Purple #84597E ΔE 0.071
Use #635666 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.