#A66CBF
Closest named color: Soft Purple (#A66FB5). oklch(62.4% 0.135 315.1), rgb(166, 108, 191).
Aa
Black text reads best on this color (5.51:1).
About this color
#A66CBF is a medium-light, moderately saturated purple. In OKLCH its lightness is 62%, its chroma 0.135 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.019 away. Black text reads best on it, at 5.51:1.
| Hue family | Purples |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.51:1 |
| White text | 3.80:1 |
Values
| HEX | #A66CBF |
| RGB | rgb(166, 108, 191) |
| HSL | hsl(282, 39%, 59%) |
| OKLCH | oklch(62.4% 0.135 315.1) |
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 #A66CBF | 3.80:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #A66CBF | 5.51:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #A66CBF text on white | 3.80:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #A66CBF text on black | 5.51:1 | AA | Lc -36.3 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F3
oklch(93.6% 0.02 315.7)
-
Step 200
200
#E3D2EA
oklch(88.5% 0.037 316.2)
-
Step 300
300
#D1B4DE
oklch(80.8% 0.066 315.4)
-
Step 400
400
#BA8CCE
oklch(70.7% 0.106 315.3)
-
Step 500
500 (this color)
#A66CBF
oklch(62.4% 0.135 315.1)
-
Step 600
600
#9354AD
oklch(55.5% 0.147 315.2)
-
Step 700
700
#7D4495
oklch(49% 0.137 314.9)
-
Step 800
800
#663979
oklch(42.8% 0.113 315)
-
Step 900
900
#533161
oklch(37.6% 0.089 315.4)
-
Step 950
950
#311D39
oklch(27% 0.057 315.8)
#A66CBF 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) | #5D7FC2 | 0.113 |
| Deuteranopia (no green cones) | #6C84BD | 0.102 |
| Tritanopia (no blue cones) | #A5788C | 0.092 |
| Achromatopsia (no color) | #838383 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66CBF
#A66CBF
oklch(62.4% 0.135 315.1)
- #62993F
#62993F
oklch(62.4% 0.136 134.9)
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 #A66CBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.019
- Deep Lilac #966EBD ΔE 0.027
- Amethyst #9B5FC0 ΔE 0.039
- Wisteria #A87DC2 ΔE 0.042
- Dark Lilac #9C6DA5 ΔE 0.044
- Medium Purple #9370DB ΔE 0.052
- Deep Lavender #8D5EB7 ΔE 0.058
- Medium Orchid #BA55D3 ΔE 0.068
Use #A66CBF 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.