#B66FDF
Closest named color: Light Urple (#B36FF6). oklch(66.3% 0.173 311.8), rgb(182, 111, 223).
Aa
Black text reads best on this color (6.32:1).
About this color
#B66FDF is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.173 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.035 away. Black text reads best on it, at 6.32:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.32:1 |
| White text | 3.31:1 |
Values
| HEX | #B66FDF |
| RGB | rgb(182, 111, 223) |
| HSL | hsl(278, 64%, 65%) |
| OKLCH | oklch(66.3% 0.173 311.8) |
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 #B66FDF | 3.31:1 | AA large text | Lc -65.7 | Content text, not long reading |
| Black text on #B66FDF | 6.32:1 | AA | Lc 43.8 | Non-text elements, placeholder text |
| #B66FDF text on white | 3.31:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #B66FDF text on black | 6.32:1 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F6
oklch(93.7% 0.023 310.7)
-
Step 200
200
#E4D1F0
oklch(88.6% 0.047 312.5)
-
Step 300
300
#D3B1E9
oklch(80.9% 0.085 311.9)
-
Step 400
400
#BD86DE
oklch(70.7% 0.137 312)
-
Step 500
500 (this color)
#B66FDF
oklch(66.3% 0.173 311.8)
-
Step 600
600
#9749C1
oklch(55.6% 0.187 311.8)
-
Step 700
700
#8139A7
oklch(49.1% 0.175 311.8)
-
Step 800
800
#693087
oklch(42.7% 0.145 312)
-
Step 900
900
#552C6C
oklch(37.7% 0.112 311.8)
-
Step 950
950
#321A3F
oklch(26.9% 0.072 312.5)
#B66FDF 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) | #5389E3 | 0.145 |
| Deuteranopia (no green cones) | #698FDC | 0.130 |
| Tritanopia (no blue cones) | #B2819D | 0.119 |
| Achromatopsia (no color) | #8D8D8D | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66FDF
#B66FDF
oklch(66.3% 0.173 311.8)
- #6AA81D
#6AA81D
oklch(66.4% 0.174 131.8)
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 #B66FDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.035
- Light Purple #BF77F6 ΔE 0.039
- Easter Purple #C071FE ΔE 0.048
- Medium Orchid #BA55D3 ΔE 0.053
- Medium Purple #9370DB ΔE 0.059
- Bright Lilac #C95EFB ΔE 0.063
- Wisteria #A87DC2 ΔE 0.064
- Bright Lavender #C760FF ΔE 0.064
Use #B66FDF 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.