#B66DE6
Closest named color: Light Urple (#B36FF6). oklch(66.4% 0.184 310.2), rgb(182, 109, 230).
Aa
Black text reads best on this color (6.31:1).
About this color
#B66DE6 is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.184 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.024 away. Black text reads best on it, at 6.31:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.184) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.31:1 |
| White text | 3.32:1 |
Values
| HEX | #B66DE6 |
| RGB | rgb(182, 109, 230) |
| HSL | hsl(276, 71%, 66%) |
| OKLCH | oklch(66.4% 0.184 310.2) |
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 #B66DE6 | 3.32:1 | AA large text | Lc -65.7 | Content text, not long reading |
| Black text on #B66DE6 | 6.31:1 | AA | Lc 43.8 | Non-text elements, placeholder text |
| #B66DE6 text on white | 3.32:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #B66DE6 text on black | 6.31:1 | AA | Lc -41.4 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE5F7
oklch(93.5% 0.026 310.4)
-
Step 200
200
#E3D1F2
oklch(88.5% 0.049 309.7)
-
Step 300
300
#D3B1EC
oklch(81% 0.089 310.5)
-
Step 400
400
#BC85E3
oklch(70.7% 0.144 310.1)
-
Step 500
500 (this color)
#B66DE6
oklch(66.4% 0.184 310.2)
-
Step 600
600
#9745C8
oklch(55.6% 0.2 310.2)
-
Step 700
700
#8135AD
oklch(49.1% 0.187 310.3)
-
Step 800
800
#692E8C
oklch(42.8% 0.154 310.3)
-
Step 900
900
#552A70
oklch(37.7% 0.121 310.2)
-
Step 950
950
#321A42
oklch(27.1% 0.076 310)
#B66DE6 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) | #4B8AEA | 0.153 |
| Deuteranopia (no green cones) | #628EE3 | 0.137 |
| Tritanopia (no blue cones) | #B0829F | 0.130 |
| Achromatopsia (no color) | #8D8D8D | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66DE6
#B66DE6
oklch(66.4% 0.184 310.2)
- #6DA800
#6DA800
oklch(66.5% 0.18 130.2)
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 #B66DE6, closest first.
No curated palette has a color within ΔE 0.04 of #B66DE6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.024
- Light Purple #BF77F6 ΔE 0.034
- Easter Purple #C071FE ΔE 0.039
- Medium Orchid #BA55D3 ΔE 0.052
- Bright Lilac #C95EFB ΔE 0.053
- Bright Lavender #C760FF ΔE 0.053
- Lighter Purple #A55AF4 ΔE 0.059
- Medium Purple #9370DB ΔE 0.061
Use #B66DE6 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.