#B366E3
Closest named color: Light Urple (#B36FF6). oklch(64.9% 0.191 310.6), rgb(179, 102, 227).
Aa
Black text reads best on this color (5.92:1).
About this color
#B366E3 is a medium-light, vivid purple. In OKLCH its lightness is 65%, its chroma 0.191 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.032 away. Black text reads best on it, at 5.92:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.191) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 5.92:1 |
| White text | 3.54:1 |
Values
| HEX | #B366E3 |
| RGB | rgb(179, 102, 227) |
| HSL | hsl(277, 69%, 65%) |
| OKLCH | oklch(64.9% 0.191 310.6) |
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 #B366E3 | 3.54:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #B366E3 | 5.92:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #B366E3 text on white | 3.54:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #B366E3 text on black | 5.92:1 | AA | Lc -39.1 | 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
#F0E5F8
oklch(93.6% 0.028 311.3)
-
Step 200
200
#E4D0F3
oklch(88.5% 0.052 310.8)
-
Step 300
300
#D4B0EE
oklch(81% 0.094 310.7)
-
Step 400
400
#BE84E5
oklch(70.8% 0.149 310.6)
-
Step 500
500 (this color)
#B366E3
oklch(64.9% 0.191 310.6)
-
Step 600
600
#9942CA
oklch(55.6% 0.207 310.8)
-
Step 700
700
#8232AF
oklch(49% 0.193 310.4)
-
Step 800
800
#6A2B8E
oklch(42.7% 0.16 310.6)
-
Step 900
900
#562971
oklch(37.7% 0.124 310.6)
-
Step 950
950
#321942
oklch(26.9% 0.078 310.3)
#B366E3 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) | #4084E7 | 0.162 |
| Deuteranopia (no green cones) | #5B89E0 | 0.144 |
| Tritanopia (no blue cones) | #AD7C9B | 0.133 |
| Achromatopsia (no color) | #888888 | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B366E3
#B366E3
oklch(64.9% 0.191 310.6)
- #68A300
#68A300
oklch(65% 0.177 130.7)
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 #B366E3, closest first.
No curated palette has a color within ΔE 0.04 of #B366E3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.032
- Medium Orchid #BA55D3 ΔE 0.039
- Lighter Purple #A55AF4 ΔE 0.047
- Light Purple #BF77F6 ΔE 0.049
- Easter Purple #C071FE ΔE 0.050
- Bright Lilac #C95EFB ΔE 0.053
- Bright Lavender #C760FF ΔE 0.054
- Medium Purple #9370DB ΔE 0.058
Use #B366E3 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.