#663D65
Closest named color: Brownish Purple (#76424E). oklch(42.4% 0.082 327.8), rgb(102, 61, 101).
Aa
White text reads best on this color (8.67:1).
About this color
#663D65 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.082 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.055 away. White text reads best on it, at 8.67:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.42:1 |
| White text | 8.67:1 |
Values
| HEX | #663D65 |
| RGB | rgb(102, 61, 101) |
| HSL | hsl(301, 25%, 32%) |
| OKLCH | oklch(42.4% 0.082 327.8) |
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 #663D65 | 8.67:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #663D65 | 2.42:1 | Fails | Lc 14.4 | Not readable |
| #663D65 text on white | 8.67:1 | AAA | Lc 89.6 | Fine for body text |
| #663D65 text on black | 2.42:1 | Fails | Lc -12.7 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7EF
oklch(93.7% 0.014 325.7)
-
Step 200
200
#E3D3E2
oklch(88.4% 0.027 327.7)
-
Step 300
300
#D2B6D1
oklch(80.9% 0.048 327.1)
-
Step 400
400
#BB90B9
oklch(70.7% 0.076 327.9)
-
Step 500
500
#AA74A8
oklch(63.2% 0.098 327.9)
-
Step 600
600
#945B93
oklch(55.5% 0.107 327.5)
-
Step 700
700
#7E4B7D
oklch(49% 0.099 327.6)
-
Step 800
800 (this color)
#663D65
oklch(42.4% 0.082 327.8)
-
Step 900
900
#543553
oklch(37.8% 0.064 327.9)
-
Step 950
950
#311F31
oklch(27% 0.041 326.6)
#663D65 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) | #3A4866 | 0.078 |
| Deuteranopia (no green cones) | #454D64 | 0.070 |
| Tritanopia (no blue cones) | #69414C | 0.047 |
| Achromatopsia (no color) | #4B4B4B | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #663D65
#663D65
oklch(42.4% 0.082 327.8)
- #2B5A33
#2B5A33
oklch(42.3% 0.082 147.7)
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 #663D65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.055
- Purple Brown #673A3F ΔE 0.062
- Dusty Grape #545775 ΔE 0.074
- Dusk #4E5481 ΔE 0.076
- Twilight #4E518B ΔE 0.080
- Dark Mauve #874C62 ΔE 0.080
- Dark Slate Blue #483D8B ΔE 0.084
- Light Eggplant #894585 ΔE 0.086
Use #663D65 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.