#66595D
Closest named color: Dim Gray (#696969). oklch(47.8% 0.018 357.2), rgb(102, 89, 93).
Aa
White text reads best on this color (6.66:1).
About this color
#66595D is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Dim Gray (#696969), ΔE 0.046 away. White text reads best on it, at 6.66:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.15:1 |
| White text | 6.66:1 |
Values
| HEX | #66595D |
| RGB | rgb(102, 89, 93) |
| HSL | hsl(342, 7%, 37%) |
| OKLCH | oklch(47.8% 0.018 357.2) |
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 #66595D | 6.66:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #66595D | 3.15:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #66595D text on white | 6.66:1 | AA | Lc 82.9 | Fine for body text |
| #66595D text on black | 3.15:1 | AA large text | Lc -19.0 | 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
#F6F5F5
oklch(97.1% 0.001 17.2)
-
Step 100
100
#EBE9EA
oklch(93.6% 0.003 345.2)
-
Step 200
200
#DCD8D9
oklch(88.6% 0.005 0)
-
Step 300
300
#C6BEC0
oklch(80.9% 0.009 0.2)
-
Step 400
400
#A89DA0
oklch(70.6% 0.014 358.9)
-
Step 500
500
#938589
oklch(63% 0.018 358.4)
-
Step 600
600
#7D6F73
oklch(55.6% 0.018 358.5)
-
Step 700
700 (this color)
#66595D
oklch(47.8% 0.018 357.2)
-
Step 800
800
#564C4F
oklch(42.7% 0.014 357.6)
-
Step 900
900
#473F42
oklch(37.7% 0.012 353)
-
Step 950
950
#2A2526
oklch(27% 0.008 3.9)
#66595D 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) | #5A5B5D | 0.020 |
| Deuteranopia (no green cones) | #5D5D5D | 0.018 |
| Tritanopia (no blue cones) | #68585A | 0.005 |
| Achromatopsia (no color) | #5C5C5C | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66595D
#66595D
oklch(47.8% 0.018 357.2)
- #53615D
#53615D
oklch(47.9% 0.018 176.4)
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 #66595D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.046
- Slate #516572 ΔE 0.047
- Dusty Grape #545775 ΔE 0.049
- Brownish Purple #76424E ΔE 0.064
- YInMn Blue #415A77 ΔE 0.066
- Dark Mauve #874C62 ΔE 0.068
- Dark Taupe #7F684E ΔE 0.072
- Cocoa #875F42 ΔE 0.074
Use #66595D 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.