#B66ACF
Closest named color: Medium Orchid (#BA55D3). oklch(64.7% 0.164 317.3), rgb(182, 106, 207).
Aa
Black text reads best on this color (5.95:1).
About this color
#B66ACF is a medium-light, vivid purple. In OKLCH its lightness is 65%, 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 0.045 away. Black text reads best on it, at 5.95:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.95:1 |
| White text | 3.52:1 |
Values
| HEX | #B66ACF |
| RGB | rgb(182, 106, 207) |
| HSL | hsl(285, 51%, 61%) |
| OKLCH | oklch(64.7% 0.164 317.3) |
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 #B66ACF | 3.52:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #B66ACF | 5.95:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #B66ACF text on white | 3.52:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #B66ACF text on black | 5.95:1 | AA | Lc -39.1 | 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
#E6D1ED
oklch(88.6% 0.044 317.7)
-
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)
#B66ACF
oklch(64.7% 0.164 317.3)
-
Step 600
600
#9C49B6
oklch(55.6% 0.178 317.4)
-
Step 700
700
#85399D
oklch(49% 0.167 317.2)
-
Step 800
800
#6C307F
oklch(42.6% 0.138 317.3)
-
Step 900
900
#582C66
oklch(37.7% 0.107 317.4)
-
Step 950
950
#341A3C
oklch(27% 0.069 317.8)
#B66ACF 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) | #5783D2 | 0.145 |
| Deuteranopia (no green cones) | #6D8BCC | 0.130 |
| Tritanopia (no blue cones) | #B57993 | 0.107 |
| Achromatopsia (no color) | #888888 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66ACF
#B66ACF
oklch(64.7% 0.164 317.3)
- #59A435
#59A435
oklch(64.7% 0.164 137.2)
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 #B66ACF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.045
- Soft Purple #A66FB5 ΔE 0.051
- Wisteria #A87DC2 ΔE 0.056
- Light Urple #B36FF6 ΔE 0.058
- Amethyst #9B5FC0 ΔE 0.059
- Medium Purple #9370DB ΔE 0.061
- Deep Lilac #966EBD ΔE 0.062
- Light Purple #BF77F6 ΔE 0.063
Use #B66ACF 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.