#B166D1
Closest named color: Medium Orchid (#BA55D3). oklch(63.7% 0.17 314.9), rgb(177, 102, 209).
Aa
Black text reads best on this color (5.69:1).
About this color
#B166D1 is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.170 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.037 away. Black text reads best on it, at 5.69:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.69:1 |
| White text | 3.69:1 |
Values
| HEX | #B166D1 |
| RGB | rgb(177, 102, 209) |
| HSL | hsl(282, 54%, 61%) |
| OKLCH | oklch(63.7% 0.17 314.9) |
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 #B166D1 | 3.69:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #B166D1 | 5.69:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #B166D1 text on white | 3.69:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #B166D1 text on black | 5.69:1 | AA | Lc -37.5 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E5F5
oklch(93.5% 0.024 315.5)
-
Step 200
200
#E5D0EF
oklch(88.4% 0.048 315)
-
Step 300
300
#D5B1E6
oklch(80.9% 0.083 314.8)
-
Step 400
400
#C086DA
oklch(70.8% 0.134 314.9)
-
Step 500
500 (this color)
#B166D1
oklch(63.7% 0.17 314.9)
-
Step 600
600
#9A48BC
oklch(55.6% 0.185 314.7)
-
Step 700
700
#8438A2
oklch(49.1% 0.173 315)
-
Step 800
800
#6B3083
oklch(42.7% 0.142 314.9)
-
Step 900
900
#572B69
oklch(37.6% 0.111 315.1)
-
Step 950
950
#331A3E
oklch(27% 0.071 314.6)
#B166D1 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) | #4E81D5 | 0.149 |
| Deuteranopia (no green cones) | #6587CE | 0.133 |
| Tritanopia (no blue cones) | #AF7792 | 0.114 |
| Achromatopsia (no color) | #858585 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B166D1
#B166D1
oklch(63.7% 0.17 314.9)
- #5AA022
#5AA022
oklch(63.5% 0.17 134.8)
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 #B166D1, closest first.
No curated palette has a color within ΔE 0.04 of #B166D1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.037
- Amethyst #9B5FC0 ΔE 0.049
- Soft Purple #A66FB5 ΔE 0.054
- Medium Purple #9370DB ΔE 0.054
- Light Urple #B36FF6 ΔE 0.056
- Deep Lilac #966EBD ΔE 0.058
- Wisteria #A87DC2 ΔE 0.064
- Pinky Purple #C94CBE ΔE 0.065
Use #B166D1 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.