#B166CB
Closest named color: Medium Orchid (#BA55D3). oklch(63.4% 0.164 316.8), rgb(177, 102, 203).
Aa
Black text reads best on this color (5.63:1).
About this color
#B166CB is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.164 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.040 away. Black text reads best on it, at 5.63:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.63:1 |
| White text | 3.72:1 |
Values
| HEX | #B166CB |
| RGB | rgb(177, 102, 203) |
| HSL | hsl(285, 49%, 60%) |
| OKLCH | oklch(63.4% 0.164 316.8) |
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 #B166CB | 3.72:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #B166CB | 5.63:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #B166CB text on white | 3.72:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #B166CB text on black | 5.63:1 | AA | Lc -37.2 | 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
#E5D1ED
oklch(88.5% 0.043 316.4)
-
Step 300
300
#D6B1E3
oklch(80.9% 0.08 317.2)
-
Step 400
400
#C186D5
oklch(70.7% 0.128 317.3)
-
Step 500
500 (this color)
#B166CB
oklch(63.4% 0.164 316.8)
-
Step 600
600
#9B49B7
oklch(55.5% 0.179 316.6)
-
Step 700
700
#853A9D
oklch(49.1% 0.165 317.1)
-
Step 800
800
#6C3180
oklch(42.8% 0.137 316.7)
-
Step 900
900
#582C67
oklch(37.8% 0.108 316.8)
-
Step 950
950
#331A3C
oklch(26.9% 0.068 316.5)
#B166CB 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) | #5280CE | 0.145 |
| Deuteranopia (no green cones) | #6887C8 | 0.131 |
| Tritanopia (no blue cones) | #B0758F | 0.108 |
| Achromatopsia (no color) | #848484 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B166CB
#B166CB
oklch(63.4% 0.164 316.8)
- #56A02F
#56A02F
oklch(63.4% 0.164 136.8)
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 #B166CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.040
- Amethyst #9B5FC0 ΔE 0.046
- Soft Purple #A66FB5 ΔE 0.046
- Deep Lilac #966EBD ΔE 0.054
- Medium Purple #9370DB ΔE 0.057
- Wisteria #A87DC2 ΔE 0.060
- Pinky Purple #C94CBE ΔE 0.062
- Light Urple #B36FF6 ΔE 0.064
Use #B166CB 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.