#B66BB9
Closest named color: Soft Purple (#A66FB5). oklch(63.8% 0.14 325.7), rgb(182, 107, 185).
Aa
Black text reads best on this color (5.79:1).
About this color
#B66BB9 is a medium-light, moderately saturated purple. In OKLCH its lightness is 64%, its chroma 0.140 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.029 away. Black text reads best on it, at 5.79:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.140) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.79:1 |
| White text | 3.62:1 |
Values
| HEX | #B66BB9 |
| RGB | rgb(182, 107, 185) |
| HSL | hsl(298, 36%, 57%) |
| OKLCH | oklch(63.8% 0.14 325.7) |
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 #B66BB9 | 3.62:1 | AA large text | Lc -69.1 | Content text, not long reading |
| Black text on #B66BB9 | 5.79:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #B66BB9 text on white | 3.62:1 | AA large text | Lc 63.6 | Content text, not long reading |
| #B66BB9 text on black | 5.79:1 | AA | Lc -38.1 | 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F1E6F1
oklch(93.7% 0.019 325.7)
-
Step 200
200
#E7D1E7
oklch(88.5% 0.038 325.9)
-
Step 300
300
#D8B2D9
oklch(80.9% 0.068 325.4)
-
Step 400
400
#C488C5
oklch(70.7% 0.109 326.1)
-
Step 500
500 (this color)
#B66BB9
oklch(63.8% 0.14 325.7)
-
Step 600
600
#9F4EA3
oklch(55.6% 0.153 325.6)
-
Step 700
700
#883F8B
oklch(49.2% 0.141 325.9)
-
Step 800
800
#6E3471
oklch(42.6% 0.117 325.5)
-
Step 900
900
#5A2E5B
oklch(37.7% 0.092 326.4)
-
Step 950
950
#351C36
oklch(27.2% 0.058 325.6)
#B66BB9 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) | #6480BC | 0.131 |
| Deuteranopia (no green cones) | #788AB7 | 0.119 |
| Tritanopia (no blue cones) | #BA7389 | 0.082 |
| Achromatopsia (no color) | #868686 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66BB9
#B66BB9
oklch(63.8% 0.14 325.7)
- #4CA154
#4CA154
oklch(63.7% 0.139 145.6)
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 #B66BB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.029
- Wisteria #A87DC2 ΔE 0.046
- Deep Lilac #966EBD ΔE 0.055
- Dark Lilac #9C6DA5 ΔE 0.055
- Pale Magenta #D767AD ΔE 0.061
- Amethyst #9B5FC0 ΔE 0.061
- Medium Orchid #BA55D3 ΔE 0.067
- Pinky Purple #C94CBE ΔE 0.069
Use #B66BB9 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.