#8566D1
Closest named color: Medium Purple (#9370DB). oklch(59.1% 0.159 294.4), rgb(133, 102, 209).
Aa
Black text reads best on this color (4.81:1).
About this color
#8566D1 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.159 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.037 away. Black text reads best on it, at 4.81:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 4.81:1 |
| White text | 4.35:1 |
Values
| HEX | #8566D1 |
| RGB | rgb(133, 102, 209) |
| HSL | hsl(257, 54%, 61%) |
| OKLCH | oklch(59.1% 0.159 294.4) |
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 #8566D1 | 4.35:1 | AA large text | Lc -75.4 | Fine for body text |
| Black text on #8566D1 | 4.81:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #8566D1 text on white | 4.35:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #8566D1 text on black | 4.81:1 | AA | Lc -31.7 | 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 600.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD5F1
oklch(88.6% 0.038 293.8)
-
Step 300
300
#C3B8EB
oklch(80.9% 0.072 294.6)
-
Step 400
400
#A592E1
oklch(70.7% 0.115 294.3)
-
Step 500
500
#9075D8
oklch(63.1% 0.146 294.4)
-
Step 600
600 (this color)
#8566D1
oklch(59.1% 0.159 294.4)
-
Step 700
700
#684BAB
oklch(49.2% 0.148 294.3)
-
Step 800
800
#543E8A
oklch(42.7% 0.122 294)
-
Step 900
900
#45356E
oklch(37.6% 0.095 294.3)
-
Step 950
950
#292041
oklch(27.2% 0.06 294.6)
#8566D1 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) | #3C7AD5 | 0.098 |
| Deuteranopia (no green cones) | #4277CF | 0.092 |
| Tritanopia (no blue cones) | #737B92 | 0.127 |
| Achromatopsia (no color) | #797979 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8566D1
#8566D1
oklch(59.1% 0.159 294.4)
- #7D8600
#7D8600
oklch(59.2% 0.134 114.4)
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 #8566D1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.037
- Deep Lavender #8D5EB7 ΔE 0.043
- Amethyst #9B5FC0 ΔE 0.046
- Medium Slate Blue #7B68EE ΔE 0.046
- Purpley #8756E4 ΔE 0.048
- Deep Lilac #966EBD ΔE 0.050
- Light Indigo #6D5ACF ΔE 0.051
- Dark Periwinkle #665FD1 ΔE 0.054
Use #8566D1 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.