#66524E
Closest named color: Brownish Purple (#76424E). oklch(45.8% 0.028 31.3), rgb(102, 82, 78).
Aa
White text reads best on this color (7.28:1).
About this color
#66524E is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Brownish Purple (#76424E), ΔE 0.051 away. White text reads best on it, at 7.28:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.88:1 |
| White text | 7.28:1 |
Values
| HEX | #66524E |
| RGB | rgb(102, 82, 78) |
| HSL | hsl(10, 13%, 35%) |
| OKLCH | oklch(45.8% 0.028 31.3) |
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 #66524E | 7.28:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #66524E | 2.88:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #66524E text on white | 7.28:1 | AAA | Lc 85.3 | Fine for body text |
| #66524E text on black | 2.88:1 | Fails | Lc -16.7 | 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 800.
-
Step 50
50
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EDE9E8
oklch(93.7% 0.005 34.3)
-
Step 200
200
#DFD7D5
oklch(88.5% 0.009 34.3)
-
Step 300
300
#CBBDBA
oklch(80.9% 0.016 32)
-
Step 400
400
#B09B97
oklch(70.7% 0.026 30.5)
-
Step 500
500
#9D837D
oklch(63.2% 0.033 33.2)
-
Step 600
600
#876C66
oklch(55.6% 0.036 32.7)
-
Step 700
700
#735A55
oklch(49.1% 0.034 31.3)
-
Step 800
800 (this color)
#66524E
oklch(45.8% 0.028 31.3)
-
Step 900
900
#4C3E3B
oklch(37.8% 0.02 32.1)
-
Step 950
950
#2D2422
oklch(27% 0.014 32.6)
#66524E 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) | #56544E | 0.027 |
| Deuteranopia (no green cones) | #5B584E | 0.025 |
| Tritanopia (no blue cones) | #6B5051 | 0.012 |
| Achromatopsia (no color) | #565656 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66524E
#66524E
oklch(45.8% 0.028 31.3)
- #465C60
#465C60
oklch(45.8% 0.027 209.9)
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 #66524E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.051
- Dusty Grape #545775 ΔE 0.065
- Purple Brown #673A3F ΔE 0.065
- Dim Gray #696969 ΔE 0.069
- Slate #516572 ΔE 0.069
- Milk Chocolate #7F4E1E ΔE 0.069
- Dark Mauve #874C62 ΔE 0.072
- Cocoa #875F42 ΔE 0.077
Use #66524E 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.