#B155BA
Closest named color: Medium Orchid (#BA55D3). oklch(60.1% 0.174 324), rgb(177, 85, 186).
Aa
Black text reads best on this color (4.87:1).
About this color
#B155BA is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.174 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.041 away. Black text reads best on it, at 4.87:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 4.87:1 |
| White text | 4.30:1 |
Values
| HEX | #B155BA |
| RGB | rgb(177, 85, 186) |
| HSL | hsl(295, 42%, 53%) |
| OKLCH | oklch(60.1% 0.174 324) |
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 #B155BA | 4.30:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #B155BA | 4.87:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #B155BA text on white | 4.30:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #B155BA text on black | 4.87:1 | AA | Lc -32.4 | 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
#E9CFEB
oklch(88.4% 0.047 323.8)
-
Step 300
300
#DCAEE0
oklch(80.8% 0.085 323.7)
-
Step 400
400
#CA82D0
oklch(70.8% 0.135 324.2)
-
Step 500
500 (this color)
#B155BA
oklch(60.1% 0.174 324)
-
Step 600
600
#A641B0
oklch(55.6% 0.189 324)
-
Step 700
700
#8E3298
oklch(49.1% 0.176 323.7)
-
Step 800
800
#742B7B
oklch(42.8% 0.145 324.1)
-
Step 900
900
#5E2863
oklch(37.8% 0.114 324.2)
-
Step 950
950
#37183A
oklch(27% 0.072 324)
#B155BA 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) | #4673BD | 0.170 |
| Deuteranopia (no green cones) | #647EB7 | 0.149 |
| Tritanopia (no blue cones) | #B46280 | 0.103 |
| Achromatopsia (no color) | #7A7A7A | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B155BA
#B155BA
oklch(60.1% 0.174 324)
- #289931
#289931
oklch(60% 0.174 144.1)
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 #B155BA, closest first.
No curated palette has a color within ΔE 0.04 of #B155BA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.041
- Amethyst #9B5FC0 ΔE 0.043
- Pinky Purple #C94CBE ΔE 0.045
- Purpley Pink #C83CB9 ΔE 0.055
- Soft Purple #A66FB5 ΔE 0.062
- Deep Lavender #8D5EB7 ΔE 0.065
- Deep Lilac #966EBD ΔE 0.069
- Purply #983FB2 ΔE 0.069
Use #B155BA 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.