#B66DC6
Closest named color: Soft Purple (#A66FB5). oklch(64.7% 0.15 320.2), rgb(182, 109, 198).
Aa
Black text reads best on this color (5.99:1).
About this color
#B66DC6 is a medium-light, vivid purple. In OKLCH its lightness is 65%, its chroma 0.150 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.038 away. Black text reads best on it, at 5.99:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.99:1 |
| White text | 3.50:1 |
Values
| HEX | #B66DC6 |
| RGB | rgb(182, 109, 198) |
| HSL | hsl(289, 44%, 60%) |
| OKLCH | oklch(64.7% 0.15 320.2) |
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 #B66DC6 | 3.50:1 | AA large text | Lc -67.8 | Content text, not long reading |
| Black text on #B66DC6 | 5.99:1 | AA | Lc 41.7 | Non-text elements, placeholder text |
| #B66DC6 text on white | 3.50:1 | AA large text | Lc 62.3 | Content text, not long reading |
| #B66DC6 text on black | 5.99:1 | AA | Lc -39.3 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E6F3
oklch(93.7% 0.02 318.4)
-
Step 200
200
#E6D1EA
oklch(88.5% 0.041 320.8)
-
Step 300
300
#D6B2DE
oklch(80.9% 0.072 320.1)
-
Step 400
400
#C188CE
oklch(70.7% 0.117 320)
-
Step 500
500 (this color)
#B66DC6
oklch(64.7% 0.15 320.2)
-
Step 600
600
#9C4DAD
oklch(55.6% 0.163 320.3)
-
Step 700
700
#853D94
oklch(49% 0.151 320.4)
-
Step 800
800
#6C3378
oklch(42.6% 0.125 320.4)
-
Step 900
900
#582E61
oklch(37.7% 0.097 320.3)
-
Step 950
950
#341B39
oklch(27% 0.063 320.8)
#B66DC6 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) | #6084C9 | 0.134 |
| Deuteranopia (no green cones) | #748CC3 | 0.122 |
| Tritanopia (no blue cones) | #B77890 | 0.094 |
| Achromatopsia (no color) | #898989 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66DC6
#B66DC6
oklch(64.7% 0.15 320.2)
- #57A447
#57A447
oklch(64.8% 0.15 140.3)
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 #B66DC6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.038
- Wisteria #A87DC2 ΔE 0.044
- Deep Lilac #966EBD ΔE 0.056
- Medium Orchid #BA55D3 ΔE 0.057
- Amethyst #9B5FC0 ΔE 0.061
- Medium Purple #9370DB ΔE 0.067
- Dark Lilac #9C6DA5 ΔE 0.068
- Orchid #DA70D6 ΔE 0.068
Use #B66DC6 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.