#B66FDE
Closest named color: Light Urple (#B36FF6). oklch(66.3% 0.172 312.1), rgb(182, 111, 222).
Aa
Black text reads best on this color (6.31:1).
About this color
#B66FDE is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.172 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 0.036 away. Black text reads best on it, at 6.31:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.31:1 |
| White text | 3.32:1 |
Values
| HEX | #B66FDE |
| RGB | rgb(182, 111, 222) |
| HSL | hsl(278, 63%, 65%) |
| OKLCH | oklch(66.3% 0.172 312.1) |
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 #B66FDE | 3.32:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #B66FDE | 6.31:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #B66FDE text on white | 3.32:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #B66FDE 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
#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
#D3B1E8
oklch(80.8% 0.084 312.3)
-
Step 400
400
#BD86DD
oklch(70.6% 0.136 312.3)
-
Step 500
500 (this color)
#B66FDE
oklch(66.3% 0.172 312.1)
-
Step 600
600
#9749C0
oklch(55.6% 0.186 312.1)
-
Step 700
700
#8139A6
oklch(49.1% 0.174 312.1)
-
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)
#B66FDE 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) | #5489E2 | 0.144 |
| Deuteranopia (no green cones) | #698EDB | 0.129 |
| Tritanopia (no blue cones) | #B2819C | 0.120 |
| Achromatopsia (no color) | #8D8D8D | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66FDE
#B66FDE
oklch(66.3% 0.172 312.1)
- #69A820
#69A820
oklch(66.4% 0.173 132.2)
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 #B66FDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.036
- Light Purple #BF77F6 ΔE 0.041
- Easter Purple #C071FE ΔE 0.050
- Medium Orchid #BA55D3 ΔE 0.053
- Medium Purple #9370DB ΔE 0.059
- Wisteria #A87DC2 ΔE 0.062
- Bright Lilac #C95EFB ΔE 0.064
- Bright Lavender #C760FF ΔE 0.065
Use #B66FDE 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.