#B05BBB
Closest named color: Amethyst (#9B5FC0). oklch(60.8% 0.165 322.9), rgb(176, 91, 187).
Aa
Black text reads best on this color (5.06:1).
About this color
#B05BBB is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.165 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.038 away. Black text reads best on it, at 5.06:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 5.06:1 |
| White text | 4.15:1 |
Values
| HEX | #B05BBB |
| RGB | rgb(176, 91, 187) |
| HSL | hsl(293, 41%, 55%) |
| OKLCH | oklch(60.8% 0.165 322.9) |
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 #B05BBB | 4.15:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #B05BBB | 5.06:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #B05BBB text on white | 4.15:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #B05BBB text on black | 5.06:1 | AA | Lc -33.5 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F2E5F3
oklch(93.6% 0.023 323.6)
-
Step 200
200
#E8D0EB
oklch(88.5% 0.045 322.5)
-
Step 300
300
#DAB0DF
oklch(80.9% 0.079 322.8)
-
Step 400
400
#C784CF
oklch(70.7% 0.129 323)
-
Step 500
500 (this color)
#B05BBB
oklch(60.8% 0.165 322.9)
-
Step 600
600
#A346AF
oklch(55.7% 0.179 323)
-
Step 700
700
#8B3696
oklch(49% 0.167 322.9)
-
Step 800
800
#712E7A
oklch(42.7% 0.138 322.8)
-
Step 900
900
#5C2A62
oklch(37.7% 0.108 323.2)
-
Step 950
950
#361939
oklch(26.9% 0.069 323.7)
#B05BBB 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) | #4D76BE | 0.157 |
| Deuteranopia (no green cones) | #6780B8 | 0.139 |
| Tritanopia (no blue cones) | #B36783 | 0.099 |
| Achromatopsia (no color) | #7C7C7C | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B05BBB
#B05BBB
oklch(60.8% 0.165 322.9)
- #399A37
#399A37
oklch(60.8% 0.164 142.9)
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 #B05BBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.038
- Medium Orchid #BA55D3 ΔE 0.043
- Soft Purple #A66FB5 ΔE 0.050
- Pinky Purple #C94CBE ΔE 0.051
- Deep Lilac #966EBD ΔE 0.059
- Deep Lavender #8D5EB7 ΔE 0.062
- Purpley Pink #C83CB9 ΔE 0.064
- Dark Lilac #9C6DA5 ΔE 0.067
Use #B05BBB 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.