#B66DD9
Closest named color: Light Urple (#B36FF6). oklch(65.7% 0.17 313.8), rgb(182, 109, 217).
Aa
Black text reads best on this color (6.17:1).
About this color
#B66DD9 is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.170 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.043 away. Black text reads best on it, at 6.17:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.17:1 |
| White text | 3.39:1 |
Values
| HEX | #B66DD9 |
| RGB | rgb(182, 109, 217) |
| HSL | hsl(281, 59%, 64%) |
| OKLCH | oklch(65.7% 0.17 313.8) |
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 #B66DD9 | 3.39:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #B66DD9 | 6.17:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #B66DD9 text on white | 3.39:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #B66DD9 text on black | 6.17:1 | AA | Lc -40.5 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E5F5
oklch(93.5% 0.024 315.5)
-
Step 200
200
#E4D1EF
oklch(88.5% 0.045 313.3)
-
Step 300
300
#D4B1E7
oklch(80.9% 0.083 313.6)
-
Step 400
400
#BE86DA
oklch(70.6% 0.133 313.9)
-
Step 500
500 (this color)
#B66DD9
oklch(65.7% 0.17 313.8)
-
Step 600
600
#9949BD
oklch(55.6% 0.184 313.8)
-
Step 700
700
#8339A3
oklch(49.1% 0.172 314.1)
-
Step 800
800
#6A3084
oklch(42.6% 0.142 313.9)
-
Step 900
900
#562C6A
oklch(37.7% 0.11 313.6)
-
Step 950
950
#331A3E
oklch(27% 0.071 314.6)
#B66DD9 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) | #5587DD | 0.145 |
| Deuteranopia (no green cones) | #6A8DD6 | 0.130 |
| Tritanopia (no blue cones) | #B37E99 | 0.115 |
| Achromatopsia (no color) | #8B8B8B | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66DD9
#B66DD9
oklch(65.7% 0.17 313.8)
- #63A627
#63A627
oklch(65.6% 0.17 133.8)
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 #B66DD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.043
- Light Purple #BF77F6 ΔE 0.048
- Medium Orchid #BA55D3 ΔE 0.049
- Easter Purple #C071FE ΔE 0.057
- Medium Purple #9370DB ΔE 0.059
- Wisteria #A87DC2 ΔE 0.060
- Soft Purple #A66FB5 ΔE 0.062
- Orchid #DA70D6 ΔE 0.065
Use #B66DD9 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.