#B166CC
Closest named color: Medium Orchid (#BA55D3). oklch(63.4% 0.165 316.5), rgb(177, 102, 204).
Aa
Black text reads best on this color (5.64:1).
About this color
#B166CC is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.165 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.039 away. Black text reads best on it, at 5.64:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.64:1 |
| White text | 3.72:1 |
Values
| HEX | #B166CC |
| RGB | rgb(177, 102, 204) |
| HSL | hsl(284, 50%, 60%) |
| OKLCH | oklch(63.4% 0.165 316.5) |
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 #B166CC | 3.72:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #B166CC | 5.64:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #B166CC text on white | 3.72:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #B166CC text on black | 5.64:1 | 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
#F0E5F5
oklch(93.5% 0.024 315.5)
-
Step 200
200
#E5D1ED
oklch(88.5% 0.043 316.4)
-
Step 300
300
#D6B1E4
oklch(80.9% 0.081 316.7)
-
Step 400
400
#C086D6
oklch(70.6% 0.129 316.4)
-
Step 500
500 (this color)
#B166CC
oklch(63.4% 0.165 316.5)
-
Step 600
600
#9B49B8
oklch(55.6% 0.18 316.3)
-
Step 700
700
#85399E
oklch(49.1% 0.168 316.8)
-
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)
#B166CC 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) | #5180CF | 0.146 |
| Deuteranopia (no green cones) | #6887C9 | 0.131 |
| Tritanopia (no blue cones) | #B07590 | 0.108 |
| Achromatopsia (no color) | #848484 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B166CC
#B166CC
oklch(63.4% 0.165 316.5)
- #57A02D
#57A02D
oklch(63.5% 0.165 136.4)
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 #B166CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.039
- Amethyst #9B5FC0 ΔE 0.046
- Soft Purple #A66FB5 ΔE 0.048
- Deep Lilac #966EBD ΔE 0.054
- Medium Purple #9370DB ΔE 0.057
- Wisteria #A87DC2 ΔE 0.061
- Pinky Purple #C94CBE ΔE 0.063
- Light Urple #B36FF6 ΔE 0.063
Use #B166CC 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.