#B66CAA
Closest named color: Soft Purple (#A66FB5). oklch(63.3% 0.124 333.1), rgb(182, 108, 170).
Aa
Black text reads best on this color (5.71:1).
About this color
#B66CAA is a medium-light, moderately saturated purple. In OKLCH its lightness is 63%, its chroma 0.124 and its hue 333°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.032 away. Black text reads best on it, at 5.71:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #B66CAA |
| RGB | rgb(182, 108, 170) |
| HSL | hsl(310, 34%, 57%) |
| OKLCH | oklch(63.3% 0.124 333.1) |
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 #B66CAA | 3.67:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #B66CAA | 5.71:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #B66CAA text on white | 3.67:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #B66CAA text on black | 5.71:1 | AA | Lc -37.6 | 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
#F9F3F8
oklch(97% 0.009 330.9)
-
Step 100
100
#F1E6EF
oklch(93.6% 0.017 331.6)
-
Step 200
200
#E7D1E3
oklch(88.4% 0.034 331.9)
-
Step 300
300
#D9B3D2
oklch(81% 0.06 332.5)
-
Step 400
400
#C58ABA
oklch(70.7% 0.096 333.3)
-
Step 500
500 (this color)
#B66CAA
oklch(63.3% 0.124 333.1)
-
Step 600
600
#A05295
oklch(55.6% 0.134 332.7)
-
Step 700
700
#89427F
oklch(49.1% 0.125 332.9)
-
Step 800
800
#6F3767
oklch(42.7% 0.103 332.8)
-
Step 900
900
#5A3054
oklch(37.7% 0.08 332.5)
-
Step 950
950
#351C31
oklch(26.9% 0.052 333)
#B66CAA 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) | #6B7FAC | 0.122 |
| Deuteranopia (no green cones) | #7E89A8 | 0.111 |
| Tritanopia (no blue cones) | #BC7083 | 0.064 |
| Achromatopsia (no color) | #858585 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66CAA
#B66CAA
oklch(63.3% 0.124 333.1)
- #449F65
#449F65
oklch(63.2% 0.124 153.1)
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 #B66CAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.032
- Dark Lilac #9C6DA5 ΔE 0.046
- Wisteria #A87DC2 ΔE 0.051
- Pale Magenta #D767AD ΔE 0.059
- Deep Lilac #966EBD ΔE 0.062
- Heather #A484AC ΔE 0.064
- Dusty Lavender #AC86A8 ΔE 0.067
- Mauve #AE7181 ΔE 0.069
Use #B66CAA 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.