#B155C8
Closest named color: Medium Orchid (#BA55D3). oklch(60.8% 0.188 319.2), rgb(177, 85, 200).
Aa
Black text reads best on this color (5.00:1).
About this color
#B155C8 is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.188 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.023 away. Black text reads best on it, at 5.00:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.00:1 |
| White text | 4.19:1 |
Values
| HEX | #B155C8 |
| RGB | rgb(177, 85, 200) |
| HSL | hsl(288, 51%, 56%) |
| OKLCH | oklch(60.8% 0.188 319.2) |
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 #B155C8 | 4.19:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #B155C8 | 5.00:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #B155C8 text on white | 4.19:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #B155C8 text on black | 5.00:1 | AA | Lc -33.3 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F2E5F5
oklch(93.7% 0.025 319.9)
-
Step 200
200
#E8CFEF
oklch(88.5% 0.051 318.8)
-
Step 300
300
#DBAEE6
oklch(80.9% 0.091 319.6)
-
Step 400
400
#C880DA
oklch(70.7% 0.148 319.4)
-
Step 500
500 (this color)
#B155C8
oklch(60.8% 0.188 319.2)
-
Step 600
600
#A43DBC
oklch(55.6% 0.204 319.5)
-
Step 700
700
#8C2EA2
oklch(49.1% 0.189 319.3)
-
Step 800
800
#722884
oklch(42.7% 0.157 319.1)
-
Step 900
900
#5C266A
oklch(37.6% 0.123 318.9)
-
Step 950
950
#36183E
oklch(27.1% 0.077 318.8)
#B155C8 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) | #3B75CC | 0.178 |
| Deuteranopia (no green cones) | #5C7FC5 | 0.156 |
| Tritanopia (no blue cones) | #B16787 | 0.118 |
| Achromatopsia (no color) | #7C7C7C | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B155C8
#B155C8
oklch(60.8% 0.188 319.2)
- #399B0E
#399B0E
oklch(60.8% 0.187 139.2)
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 #B155C8, closest first.
No curated palette has a color within ΔE 0.04 of #B155C8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.023
- Amethyst #9B5FC0 ΔE 0.045
- Pinky Purple #C94CBE ΔE 0.048
- Purpley Pink #C83CB9 ΔE 0.058
- Deep Lavender #8D5EB7 ΔE 0.070
- Lighter Purple #A55AF4 ΔE 0.070
- Soft Purple #A66FB5 ΔE 0.071
- Purply #983FB2 ΔE 0.072
Use #B155C8 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.