#B66DB2
Closest named color: Soft Purple (#A66FB5). oklch(63.8% 0.129 328.9), rgb(182, 109, 178).
Aa
Black text reads best on this color (5.81:1).
About this color
#B66DB2 is a medium-light, moderately saturated purple. In OKLCH its lightness is 64%, its chroma 0.129 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.028 away. Black text reads best on it, at 5.81:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.81:1 |
| White text | 3.60:1 |
Values
| HEX | #B66DB2 |
| RGB | rgb(182, 109, 178) |
| HSL | hsl(303, 33%, 57%) |
| OKLCH | oklch(63.8% 0.129 328.9) |
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 #B66DB2 | 3.60:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #B66DB2 | 5.81:1 | AA | Lc 40.6 | Non-text elements, placeholder text |
| #B66DB2 text on white | 3.60:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #B66DB2 text on black | 5.81:1 | AA | Lc -38.2 | 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
#F1E6F0
oklch(93.6% 0.018 328.5)
-
Step 200
200
#E7D1E5
oklch(88.5% 0.036 328.7)
-
Step 300
300
#D8B3D5
oklch(81% 0.062 328.8)
-
Step 400
400
#C48AC0
oklch(70.8% 0.101 328.9)
-
Step 500
500 (this color)
#B66DB2
oklch(63.8% 0.129 328.9)
-
Step 600
600
#9F519B
oklch(55.6% 0.141 329.2)
-
Step 700
700
#884185
oklch(49.2% 0.132 329)
-
Step 800
800
#6E366C
oklch(42.7% 0.109 328.6)
-
Step 900
900
#5A3057
oklch(37.8% 0.083 329.7)
-
Step 950
950
#351C33
oklch(27% 0.054 329.9)
#B66DB2 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) | #6981B4 | 0.124 |
| Deuteranopia (no green cones) | #7C8AB0 | 0.112 |
| Tritanopia (no blue cones) | #BB7387 | 0.072 |
| Achromatopsia (no color) | #878787 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66DB2
#B66DB2
oklch(63.8% 0.129 328.9)
- #4BA15E
#4BA15E
oklch(63.9% 0.13 148.8)
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 #B66DB2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.028
- Wisteria #A87DC2 ΔE 0.044
- Dark Lilac #9C6DA5 ΔE 0.049
- Deep Lilac #966EBD ΔE 0.057
- Pale Magenta #D767AD ΔE 0.058
- Heather #A484AC ΔE 0.065
- Amethyst #9B5FC0 ΔE 0.068
- Dusty Lavender #AC86A8 ΔE 0.070
Use #B66DB2 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.