#B666FF
Closest named color: Light Urple (#B36FF6). oklch(66.9% 0.222 305.3), rgb(182, 102, 255).
Aa
Black text reads best on this color (6.33:1).
About this color
#B666FF is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.222 and its hue 305°. 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 6.33:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.222) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.33:1 |
| White text | 3.31:1 |
Values
| HEX | #B666FF |
| RGB | rgb(182, 102, 255) |
| HSL | hsl(271, 100%, 70%) |
| OKLCH | oklch(66.9% 0.222 305.3) |
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 #B666FF | 3.31:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #B666FF | 6.33:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #B666FF text on white | 3.31:1 | AA large text | Lc 60.0 | Content text, not long reading |
| #B666FF text on black | 6.33:1 | AA | Lc -41.7 | 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 400.
-
Step 50
50
#F8F3FF
oklch(97.1% 0.017 304.8)
-
Step 100
100
#F0E4FF
oklch(93.6% 0.038 305.7)
-
Step 200
200
#E4CEFF
oklch(88.5% 0.07 305.4)
-
Step 300
300
#D3ACFF
oklch(80.8% 0.121 305.4)
-
Step 400
400 (this color)
#B666FF
oklch(66.9% 0.222 305.3)
-
Step 500
500
#AF4DFF
oklch(63.1% 0.252 305.4)
-
Step 600
600
#9D00F5
oklch(55.6% 0.289 305.1)
-
Step 700
700
#8500D0
oklch(49.2% 0.255 305.3)
-
Step 800
800
#6D00AC
oklch(42.7% 0.221 305.2)
-
Step 900
900
#5A0D8D
oklch(37.7% 0.185 305.3)
-
Step 950
950
#340E53
oklch(27% 0.117 304.5)
#B666FF 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) | #128BFF | 0.185 |
| Deuteranopia (no green cones) | #448DFB | 0.165 |
| Tritanopia (no blue cones) | #A985A9 | 0.161 |
| Achromatopsia (no color) | #8D8D8D | 0.223 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B666FF
#B666FF
oklch(66.9% 0.222 305.3)
- #7DA600
#7DA600
oklch(67% 0.169 125.3)
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 #B666FF, closest first.
No curated palette has a color within ΔE 0.04 of #B666FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.024
- Easter Purple #C071FE ΔE 0.030
- Bright Lavender #C760FF ΔE 0.031
- Bright Lilac #C95EFB ΔE 0.035
- Lighter Purple #A55AF4 ΔE 0.042
- Light Purple #BF77F6 ΔE 0.044
- Medium Orchid #BA55D3 ΔE 0.070
- Heliotrope #D94FF5 ΔE 0.071
Use #B666FF 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.