#B155BF
Closest named color: Medium Orchid (#BA55D3). oklch(60.3% 0.179 322.2), rgb(177, 85, 191).
Aa
Black text reads best on this color (4.92:1).
About this color
#B155BF is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.179 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.034 away. Black text reads best on it, at 4.92:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #B155BF |
| RGB | rgb(177, 85, 191) |
| HSL | hsl(292, 45%, 54%) |
| OKLCH | oklch(60.3% 0.179 322.2) |
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 #B155BF | 4.26:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #B155BF | 4.92:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #B155BF text on white | 4.26:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #B155BF text on black | 4.92:1 | AA | Lc -32.7 | 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
#F2E5F4
oklch(93.7% 0.024 321.7)
-
Step 200
200
#E9CFED
oklch(88.5% 0.049 321.7)
-
Step 300
300
#DCAEE2
oklch(80.9% 0.087 322.5)
-
Step 400
400
#C981D4
oklch(70.7% 0.14 322.1)
-
Step 500
500 (this color)
#B155BF
oklch(60.3% 0.179 322.2)
-
Step 600
600
#A540B5
oklch(55.6% 0.194 321.9)
-
Step 700
700
#8D309B
oklch(49% 0.181 322.2)
-
Step 800
800
#732A7E
oklch(42.7% 0.149 322.2)
-
Step 900
900
#5D2765
oklch(37.6% 0.117 322.3)
-
Step 950
950
#37183B
oklch(27% 0.074 322.9)
#B155BF 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) | #4374C2 | 0.172 |
| Deuteranopia (no green cones) | #627EBC | 0.151 |
| Tritanopia (no blue cones) | #B36482 | 0.109 |
| Achromatopsia (no color) | #7A7A7A | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B155BF
#B155BF
oklch(60.3% 0.179 322.2)
- #2F9A27
#2F9A27
oklch(60.3% 0.179 142.1)
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 #B155BF, closest first.
No curated palette has a color within ΔE 0.04 of #B155BF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.034
- Amethyst #9B5FC0 ΔE 0.042
- Pinky Purple #C94CBE ΔE 0.045
- Purpley Pink #C83CB9 ΔE 0.055
- Soft Purple #A66FB5 ΔE 0.065
- Deep Lavender #8D5EB7 ΔE 0.066
- Purply #983FB2 ΔE 0.069
- Deep Lilac #966EBD ΔE 0.069
Use #B155BF 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.