#66535D
Closest named color: Dusty Grape (#545775). oklch(46.5% 0.029 345.3), rgb(102, 83, 93).
Aa
White text reads best on this color (7.09:1).
About this color
#66535D is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.045 away. White text reads best on it, at 7.09:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.96:1 |
| White text | 7.09:1 |
Values
| HEX | #66535D |
| RGB | rgb(102, 83, 93) |
| HSL | hsl(328, 10%, 36%) |
| OKLCH | oklch(46.5% 0.029 345.3) |
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 #66535D | 7.09:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #66535D | 2.96:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #66535D text on white | 7.09:1 | AAA | Lc 84.6 | Fine for body text |
| #66535D 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
#97838D
oklch(63.1% 0.028 346.3)
-
Step 600
600
#826C77
oklch(55.6% 0.032 346.6)
-
Step 700
700 (this color)
#66535D
oklch(46.5% 0.029 345.3)
-
Step 800
800
#594A52
oklch(42.7% 0.024 344.8)
-
Step 900
900
#493E44
oklch(37.7% 0.018 344)
-
Step 950
950
#2B2428
oklch(27% 0.013 342.7)
#66535D 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) | #54565D | 0.030 |
| Deuteranopia (no green cones) | #58595C | 0.028 |
| Tritanopia (no blue cones) | #695356 | 0.012 |
| Achromatopsia (no color) | #585858 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66535D
#66535D
oklch(46.5% 0.029 345.3)
- #4A5F55
#4A5F55
oklch(46.5% 0.03 164.5)
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 #66535D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.045
- 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 0.065
- Dusk #4E5481 ΔE 0.068
- Purple Brown #673A3F ΔE 0.072
Use #66535D 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.