#B155A2
Closest named color: Soft Purple (#A66FB5). oklch(58.9% 0.153 333.9), rgb(177, 85, 162).
Aa
Black text reads best on this color (4.69:1).
About this color
#B155A2 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.153 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.061 away. Black text reads best on it, at 4.69:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #B155A2 |
| RGB | rgb(177, 85, 162) |
| HSL | hsl(310, 37%, 51%) |
| OKLCH | oklch(58.9% 0.153 333.9) |
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 #B155A2 | 4.47:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #B155A2 | 4.69:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #B155A2 text on white | 4.47:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #B155A2 text on black | 4.69:1 | AA | Lc -31.1 | 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 600.
-
Step 50
50
#FAF3F8
oklch(97.1% 0.01 335.5)
-
Step 100
100
#F3E5EF
oklch(93.6% 0.02 335.7)
-
Step 200
200
#EAD0E4
oklch(88.5% 0.039 333.8)
-
Step 300
300
#DDB1D3
oklch(81% 0.068 334.3)
-
Step 400
400
#CA86BD
oklch(70.7% 0.11 333.8)
-
Step 500
500
#BB66AC
oklch(63.1% 0.14 334)
-
Step 600
600 (this color)
#B155A2
oklch(58.9% 0.153 333.9)
-
Step 700
700
#8E3C81
oklch(49.1% 0.141 334)
-
Step 800
800
#743269
oklch(42.8% 0.118 334.2)
-
Step 900
900
#5E2D55
oklch(37.8% 0.091 334.6)
-
Step 950
950
#371B32
oklch(27.1% 0.057 334)
#B155A2 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) | #546FA5 | 0.156 |
| Deuteranopia (no green cones) | #6E7C9F | 0.140 |
| Tritanopia (no blue cones) | #B85A74 | 0.077 |
| Achromatopsia (no color) | #777777 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B155A2
#B155A2
oklch(58.9% 0.153 333.9)
- #009551
#009551
oklch(58.8% 0.149 153.8)
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 #B155A2, closest first.
No curated palette has a color within ΔE 0.04 of #B155A2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.061
- Amethyst #9B5FC0 ΔE 0.061
- Light Plum #9D5783 ΔE 0.061
- Dark Lilac #9C6DA5 ΔE 0.063
- Pinky Purple #C94CBE ΔE 0.063
- Purpley Pink #C83CB9 ΔE 0.070
- Deep Lavender #8D5EB7 ΔE 0.072
- Deep Lilac #966EBD ΔE 0.075
Use #B155A2 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.