#66535E
Closest named color: Dusty Grape (#545775). oklch(46.5% 0.03 342.7), rgb(102, 83, 94).
Aa
White text reads best on this color (7.08:1).
About this color
#66535E is a medium-dark, muted purple. In OKLCH its lightness is 47%, its chroma 0.030 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.044 away. White text reads best on it, at 7.08:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.030) |
| Temperature | warm |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #66535E |
| RGB | rgb(102, 83, 94) |
| HSL | hsl(325, 10%, 36%) |
| OKLCH | oklch(46.5% 0.03 342.7) |
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 #66535E | 7.08:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #66535E | 2.96:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #66535E text on white | 7.08:1 | AAA | Lc 84.6 | Fine for body text |
| #66535E text on black | 2.96:1 | Fails | Lc -17.4 | 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
#ECE9EA
oklch(93.7% 0.003 354.7)
-
Step 200
200
#DDD7DA
oklch(88.5% 0.008 345.4)
-
Step 300
300
#C8BDC3
oklch(80.9% 0.015 343.3)
-
Step 400
400
#AC9BA4
oklch(70.7% 0.024 344.5)
-
Step 500
500
#97838E
oklch(63.2% 0.029 343.7)
-
Step 600
600
#816C78
oklch(55.5% 0.032 342.9)
-
Step 700
700 (this color)
#66535E
oklch(46.5% 0.03 342.7)
-
Step 800
800
#594A53
oklch(42.8% 0.025 341.5)
-
Step 900
900
#493E44
oklch(37.7% 0.018 344)
-
Step 950
950
#2B2428
oklch(27% 0.013 342.7)
#66535E 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) | #54575E | 0.031 |
| Deuteranopia (no green cones) | #58595D | 0.028 |
| Tritanopia (no blue cones) | #695357 | 0.012 |
| Achromatopsia (no color) | #585858 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66535E
#66535E
oklch(46.5% 0.03 342.7)
- #4B5F54
#4B5F54
oklch(46.5% 0.03 160.9)
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 #66535E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.044
- Brownish Purple #76424E ΔE 0.051
- Slate #516572 ΔE 0.058
- Dark Mauve #874C62 ΔE 0.062
- Dim Gray #696969 ΔE 0.063
- YInMn Blue #415A77 ΔE 0.064
- Dusk #4E5481 ΔE 0.067
- Purple Brown #673A3F ΔE 0.073
Use #66535E 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.