#8166B5
Closest named color: Deep Lavender (#8D5EB7). oklch(57.1% 0.121 298.2), rgb(129, 102, 181).
Aa
White text reads best on this color (4.66:1).
About this color
#8166B5 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 57%, its chroma 0.121 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.027 away. White text reads best on it, at 4.66:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 4.50:1 |
| White text | 4.66:1 |
Values
| HEX | #8166B5 |
| RGB | rgb(129, 102, 181) |
| HSL | hsl(261, 35%, 55%) |
| OKLCH | oklch(57.1% 0.121 298.2) |
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 #8166B5 | 4.66:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #8166B5 | 4.50:1 | AA | Lc 31.8 | Non-text elements, placeholder text |
| #8166B5 text on white | 4.66:1 | AA | Lc 72.3 | Content text, not long reading |
| #8166B5 text on black | 4.50:1 | AA | Lc -29.4 | Dividers and decoration only |
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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F3
oklch(93.7% 0.015 298.6)
-
Step 200
200
#DBD5EB
oklch(88.4% 0.031 298.2)
-
Step 300
300
#C5BAE0
oklch(81% 0.054 298.4)
-
Step 400
400
#A795D0
oklch(70.7% 0.087 298.2)
-
Step 500
500
#927AC4
oklch(63.1% 0.111 298.1)
-
Step 600
600 (this color)
#8166B5
oklch(57.1% 0.121 298.2)
-
Step 700
700
#695098
oklch(49% 0.114 298.1)
-
Step 800
800
#56427B
oklch(42.7% 0.094 298.5)
-
Step 900
900
#473863
oklch(37.7% 0.074 298.9)
-
Step 950
950
#29213A
oklch(26.9% 0.047 297.9)
#8166B5 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) | #4F74B8 | 0.074 |
| Deuteranopia (no green cones) | #5473B3 | 0.070 |
| Tritanopia (no blue cones) | #767485 | 0.095 |
| Achromatopsia (no color) | #747474 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8166B5
#8166B5
oklch(57.1% 0.121 298.2)
- #71811D
#71811D
oklch(57.1% 0.122 118.5)
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 #8166B5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.027
- Deep Lilac #966EBD ΔE 0.043
- Dark Lavender #856798 ΔE 0.047
- Amethyst #9B5FC0 ΔE 0.050
- Dark Lilac #9C6DA5 ΔE 0.058
- Faded Purple #916E99 ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.064
- Slate Blue #6A5ACD ΔE 0.065
Use #8166B5 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.