#B166C8
Closest named color: Medium Orchid (#BA55D3). oklch(63.2% 0.161 317.9), rgb(177, 102, 200).
Aa
Black text reads best on this color (5.60:1).
About this color
#B166C8 is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.161 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.042 away. Black text reads best on it, at 5.60:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #B166C8 |
| RGB | rgb(177, 102, 200) |
| HSL | hsl(286, 47%, 59%) |
| OKLCH | oklch(63.2% 0.161 317.9) |
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 #B166C8 | 3.74:1 | AA large text | Lc -70.2 | Content text, not long reading |
| Black text on #B166C8 | 5.60:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #B166C8 text on white | 3.74:1 | AA large text | Lc 64.7 | Content text, not long reading |
| #B166C8 text on black | 5.60:1 | AA | Lc -37.0 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E5F4
oklch(93.5% 0.023 317.1)
-
Step 200
200
#E6D1EC
oklch(88.6% 0.043 318.7)
-
Step 300
300
#D6B1E2
oklch(80.9% 0.079 317.8)
-
Step 400
400
#C186D3
oklch(70.6% 0.126 318.1)
-
Step 500
500 (this color)
#B166C8
oklch(63.2% 0.161 317.9)
-
Step 600
600
#9C4AB4
oklch(55.6% 0.175 318)
-
Step 700
700
#853A9B
oklch(49% 0.163 317.9)
-
Step 800
800
#6C317E
oklch(42.7% 0.135 317.6)
-
Step 900
900
#582C65
oklch(37.7% 0.105 318.1)
-
Step 950
950
#341B3B
oklch(27.1% 0.066 318.6)
#B166C8 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) | #547FCB | 0.143 |
| Deuteranopia (no green cones) | #6A86C5 | 0.128 |
| Tritanopia (no blue cones) | #B1748E | 0.104 |
| Achromatopsia (no color) | #848484 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B166C8
#B166C8
oklch(63.2% 0.161 317.9)
- #549F34
#549F34
oklch(63.1% 0.16 137.8)
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 #B166C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.042
- Soft Purple #A66FB5 ΔE 0.043
- Amethyst #9B5FC0 ΔE 0.045
- Deep Lilac #966EBD ΔE 0.052
- Wisteria #A87DC2 ΔE 0.058
- Medium Purple #9370DB ΔE 0.059
- Pinky Purple #C94CBE ΔE 0.062
- Light Urple #B36FF6 ΔE 0.069
Use #B166C8 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.