#B155B8
Closest named color: Amethyst (#9B5FC0). oklch(60% 0.172 324.7), rgb(177, 85, 184).
Aa
Black text reads best on this color (4.86:1).
About this color
#B155B8 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.172 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.043 away. Black text reads best on it, at 4.86:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.86:1 |
| White text | 4.32:1 |
Values
| HEX | #B155B8 |
| RGB | rgb(177, 85, 184) |
| HSL | hsl(296, 41%, 53%) |
| OKLCH | oklch(60% 0.172 324.7) |
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 #B155B8 | 4.32:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #B155B8 | 4.86:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #B155B8 text on white | 4.32:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #B155B8 text on black | 4.86:1 | AA | Lc -32.3 | 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
#F3E5F3
oklch(93.7% 0.024 325.8)
-
Step 200
200
#EACFEB
oklch(88.5% 0.048 324.9)
-
Step 300
300
#DDAEDF
oklch(80.9% 0.085 325)
-
Step 400
400
#CA82CF
oklch(70.7% 0.134 324.6)
-
Step 500
500 (this color)
#B155B8
oklch(60% 0.172 324.7)
-
Step 600
600
#A641AF
oklch(55.5% 0.188 324.4)
-
Step 700
700
#8F3296
oklch(49.2% 0.175 324.9)
-
Step 800
800
#742B7A
oklch(42.8% 0.145 324.6)
-
Step 900
900
#5E2862
oklch(37.7% 0.113 324.8)
-
Step 950
950
#371839
oklch(26.9% 0.071 325)
#B155B8 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) | #4872BB | 0.168 |
| Deuteranopia (no green cones) | #657EB5 | 0.149 |
| Tritanopia (no blue cones) | #B5617F | 0.100 |
| Achromatopsia (no color) | #7A7A7A | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B155B8
#B155B8
oklch(60% 0.172 324.7)
- #259934
#259934
oklch(59.9% 0.172 144.8)
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 #B155B8, closest first.
No curated palette has a color within ΔE 0.04 of #B155B8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.043
- Medium Orchid #BA55D3 ΔE 0.044
- Pinky Purple #C94CBE ΔE 0.046
- Purpley Pink #C83CB9 ΔE 0.055
- Soft Purple #A66FB5 ΔE 0.061
- Deep Lavender #8D5EB7 ΔE 0.065
- Deep Lilac #966EBD ΔE 0.068
- Purply #983FB2 ΔE 0.069
Use #B155B8 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.