#A66CBB
Closest named color: Soft Purple (#A66FB5). oklch(62.3% 0.131 316.7), rgb(166, 108, 187).
Aa
Black text reads best on this color (5.48:1).
About this color
#A66CBB is a medium-light, moderately saturated purple. In OKLCH its lightness is 62%, its chroma 0.131 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.013 away. Black text reads best on it, at 5.48:1.
| Hue family | Purples |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.48:1 |
| White text | 3.82:1 |
Values
| HEX | #A66CBB |
| RGB | rgb(166, 108, 187) |
| HSL | hsl(284, 37%, 58%) |
| OKLCH | oklch(62.3% 0.131 316.7) |
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 #A66CBB | 3.82:1 | AA large text | Lc -71.1 | Content text, not long reading |
| Black text on #A66CBB | 5.48:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #A66CBB text on white | 3.82:1 | AA large text | Lc 65.6 | Content text, not long reading |
| #A66CBB text on black | 5.48:1 | AA | Lc -36.1 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE6F2
oklch(93.5% 0.019 317.7)
-
Step 200
200
#E3D2E9
oklch(88.4% 0.036 317.3)
-
Step 300
300
#D2B4DD
oklch(80.9% 0.065 316.9)
-
Step 400
400
#BA8CCB
oklch(70.6% 0.103 316.7)
-
Step 500
500 (this color)
#A66CBB
oklch(62.3% 0.131 316.7)
-
Step 600
600
#9455AA
oklch(55.6% 0.143 316.8)
-
Step 700
700
#7E4592
oklch(49.1% 0.132 316.7)
-
Step 800
800
#663976
oklch(42.6% 0.109 316.6)
-
Step 900
900
#53325F
oklch(37.7% 0.084 316.6)
-
Step 950
950
#311D38
oklch(26.9% 0.055 317)
#A66CBB 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) | #5F7FBE | 0.111 |
| Deuteranopia (no green cones) | #6E84B9 | 0.100 |
| Tritanopia (no blue cones) | #A5778B | 0.087 |
| Achromatopsia (no color) | #828282 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66CBB
#A66CBB
oklch(62.3% 0.131 316.7)
- #609945
#609945
oklch(62.4% 0.131 136.6)
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 #A66CBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.013
- Deep Lilac #966EBD ΔE 0.027
- Dark Lilac #9C6DA5 ΔE 0.039
- Amethyst #9B5FC0 ΔE 0.041
- Wisteria #A87DC2 ΔE 0.042
- Medium Purple #9370DB ΔE 0.057
- Deep Lavender #8D5EB7 ΔE 0.058
- Faded Purple #916E99 ΔE 0.065
Use #A66CBB 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.