#663E65
Closest named color: Brownish Purple (#76424E). oklch(42.6% 0.08 327.7), rgb(102, 62, 101).
Aa
White text reads best on this color (8.59:1).
About this color
#663E65 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.080 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 0.054 away. White text reads best on it, at 8.59:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.44:1 |
| White text | 8.59:1 |
Values
| HEX | #663E65 |
| RGB | rgb(102, 62, 101) |
| HSL | hsl(302, 24%, 32%) |
| OKLCH | oklch(42.6% 0.08 327.7) |
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 #663E65 | 8.59:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #663E65 | 2.44:1 | Fails | Lc 14.6 | Not readable |
| #663E65 text on white | 8.59:1 | AAA | Lc 89.4 | Fine for body text |
| #663E65 text on black | 2.44:1 | Fails | Lc -12.9 | 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
#EFE7EE
oklch(93.6% 0.013 329.6)
-
Step 200
200
#E3D3E2
oklch(88.4% 0.027 327.7)
-
Step 300
300
#D2B6D0
oklch(80.8% 0.047 328.3)
-
Step 400
400
#BA90B9
oklch(70.6% 0.075 327.1)
-
Step 500
500
#A974A7
oklch(63.1% 0.096 327.9)
-
Step 600
600
#945C92
oklch(55.6% 0.104 328.1)
-
Step 700
700
#7E4C7D
oklch(49.2% 0.097 327.6)
-
Step 800
800 (this color)
#663E65
oklch(42.6% 0.08 327.7)
-
Step 900
900
#533552
oklch(37.6% 0.062 327.9)
-
Step 950
950
#311F30
oklch(26.9% 0.04 328.5)
#663E65 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) | #3B4966 | 0.076 |
| Deuteranopia (no green cones) | #464E64 | 0.068 |
| Tritanopia (no blue cones) | #69414D | 0.044 |
| Achromatopsia (no color) | #4C4C4C | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #663E65
#663E65
oklch(42.6% 0.08 327.7)
- #2D5B35
#2D5B35
oklch(42.7% 0.08 148)
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 #663E65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.054
- Purple Brown #673A3F ΔE 0.061
- Dusty Grape #545775 ΔE 0.072
- Dusk #4E5481 ΔE 0.074
- Dark Mauve #874C62 ΔE 0.079
- Twilight #4E518B ΔE 0.079
- Dark Slate Blue #483D8B ΔE 0.085
- Light Eggplant #894585 ΔE 0.086
Use #663E65 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.