#B366B9
Closest named color: Soft Purple (#A66FB5). oklch(62.7% 0.146 324.5), rgb(179, 102, 185).
Aa
Black text reads best on this color (5.51:1).
About this color
#B366B9 is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.146 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.031 away. Black text reads best on it, at 5.51:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.51:1 |
| White text | 3.80:1 |
Values
| HEX | #B366B9 |
| RGB | rgb(179, 102, 185) |
| HSL | hsl(296, 37%, 56%) |
| OKLCH | oklch(62.7% 0.146 324.5) |
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 #B366B9 | 3.80:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #B366B9 | 5.51:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #B366B9 text on white | 3.80:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #B366B9 text on black | 5.51:1 | AA | Lc -36.4 | 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
#F1E5F2
oklch(93.5% 0.022 323.4)
-
Step 200
200
#E7D1E8
oklch(88.6% 0.039 324.6)
-
Step 300
300
#D9B1DB
oklch(80.9% 0.073 324.7)
-
Step 400
400
#C487C8
oklch(70.6% 0.114 324.6)
-
Step 500
500 (this color)
#B366B9
oklch(62.7% 0.146 324.5)
-
Step 600
600
#9F4CA6
oklch(55.5% 0.159 324.4)
-
Step 700
700
#883D8F
oklch(49.1% 0.148 324.1)
-
Step 800
800
#6F3374
oklch(42.8% 0.123 324.5)
-
Step 900
900
#5A2D5D
oklch(37.6% 0.096 324.9)
-
Step 950
950
#351B37
oklch(27% 0.061 324.5)
#B366B9 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) | #5D7DBC | 0.137 |
| Deuteranopia (no green cones) | #7286B6 | 0.124 |
| Tritanopia (no blue cones) | #B66F87 | 0.086 |
| Achromatopsia (no color) | #838383 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B366B9
#B366B9
oklch(62.7% 0.146 324.5)
- #479E4B
#479E4B
oklch(62.6% 0.146 144.4)
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 #B366B9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.031
- Amethyst #9B5FC0 ΔE 0.050
- Deep Lilac #966EBD ΔE 0.051
- Dark Lilac #9C6DA5 ΔE 0.054
- Wisteria #A87DC2 ΔE 0.055
- Medium Orchid #BA55D3 ΔE 0.058
- Pinky Purple #C94CBE ΔE 0.062
- Pale Magenta #D767AD ΔE 0.069
Use #B366B9 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.