#66436F
Closest named color: Dusk (#4E5481). oklch(44% 0.082 319.3), rgb(102, 67, 111).
Aa
White text reads best on this color (8.08:1).
About this color
#66436F is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.082 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.060 away. White text reads best on it, at 8.08:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.59:1 |
| White text | 8.08:1 |
Values
| HEX | #66436F |
| RGB | rgb(102, 67, 111) |
| HSL | hsl(288, 25%, 35%) |
| OKLCH | oklch(44% 0.082 319.3) |
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 #66436F | 8.08:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #66436F | 2.59:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #66436F text on white | 8.08:1 | AAA | Lc 87.9 | Fine for body text |
| #66436F text on black | 2.59:1 | Fails | Lc -14.3 | Not readable |
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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E1D4E4
oklch(88.5% 0.026 319.9)
-
Step 300
300
#CEB7D5
oklch(80.8% 0.049 318.3)
-
Step 400
400
#B692BF
oklch(70.8% 0.076 319.5)
-
Step 500
500
#A376AF
oklch(63.1% 0.097 319)
-
Step 600
600
#8E5E9A
oklch(55.6% 0.105 319.4)
-
Step 700
700
#794D84
oklch(49.1% 0.099 319.4)
-
Step 800
800 (this color)
#66436F
oklch(44% 0.082 319.3)
-
Step 900
900
#503657
oklch(37.6% 0.064 319)
-
Step 950
950
#2F2033
oklch(27% 0.04 319)
#66436F 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) | #3D4D71 | 0.070 |
| Deuteranopia (no green cones) | #46516E | 0.064 |
| Tritanopia (no blue cones) | #664854 | 0.051 |
| Achromatopsia (no color) | #505050 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66436F
#66436F
oklch(44% 0.082 319.3)
- #3A5D30
#3A5D30
oklch(43.9% 0.081 139)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #66436F
These curated palettes and gradients contain exactly #66436F. Open one to see the full color scheme around it.
Palettes
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.060
- Dusty Grape #545775 ΔE 0.060
- Brownish Purple #76424E ΔE 0.062
- Twilight #4E518B ΔE 0.063
- Dark Mauve #874C62 ΔE 0.075
- Light Eggplant #894585 ΔE 0.075
- Purple Brown #673A3F ΔE 0.076
- Dark Slate Blue #483D8B ΔE 0.076
Use #66436F 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.