#B666BB
Closest named color: Soft Purple (#A66FB5). oklch(63.1% 0.15 325), rgb(182, 102, 187).
Aa
Black text reads best on this color (5.60:1).
About this color
#B666BB is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.150 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.035 away. Black text reads best on it, at 5.60:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #B666BB |
| RGB | rgb(182, 102, 187) |
| HSL | hsl(296, 38%, 57%) |
| OKLCH | oklch(63.1% 0.15 325) |
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 #B666BB | 3.74:1 | AA large text | Lc -70.2 | Content text, not long reading |
| Black text on #B666BB | 5.60:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #B666BB text on white | 3.74:1 | AA large text | Lc 64.7 | Content text, not long reading |
| #B666BB text on black | 5.60:1 | AA | Lc -37.0 | 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
#F2E5F2
oklch(93.6% 0.022 325.8)
-
Step 200
200
#E8D0E8
oklch(88.5% 0.042 325.9)
-
Step 300
300
#D9B1DB
oklch(80.9% 0.073 324.7)
-
Step 400
400
#C686C9
oklch(70.7% 0.118 325.2)
-
Step 500
500 (this color)
#B666BB
oklch(63.1% 0.15 325)
-
Step 600
600
#A14BA7
oklch(55.6% 0.163 324.9)
-
Step 700
700
#8A3B8F
oklch(49.1% 0.152 325.2)
-
Step 800
800
#703274
oklch(42.8% 0.125 325.1)
-
Step 900
900
#5B2D5E
oklch(37.8% 0.098 325)
-
Step 950
950
#351B37
oklch(27% 0.061 324.5)
#B666BB 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) | #5D7EBE | 0.142 |
| Deuteranopia (no green cones) | #7387B8 | 0.127 |
| Tritanopia (no blue cones) | #BA6F88 | 0.088 |
| Achromatopsia (no color) | #848484 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B666BB
#B666BB
oklch(63.1% 0.15 325)
- #44A04C
#44A04C
oklch(63% 0.149 145.1)
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 #B666BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.035
- Amethyst #9B5FC0 ΔE 0.054
- Medium Orchid #BA55D3 ΔE 0.055
- Wisteria #A87DC2 ΔE 0.056
- Deep Lilac #966EBD ΔE 0.056
- Pinky Purple #C94CBE ΔE 0.058
- Dark Lilac #9C6DA5 ΔE 0.060
- Pale Magenta #D767AD ΔE 0.065
Use #B666BB 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.