#8166B3
Closest named color: Deep Lavender (#8D5EB7). oklch(57% 0.118 298.8), rgb(129, 102, 179).
Aa
White text reads best on this color (4.68:1).
About this color
#8166B3 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 57%, its chroma 0.118 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.028 away. White text reads best on it, at 4.68:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 4.48:1 |
| White text | 4.68:1 |
Values
| HEX | #8166B3 |
| RGB | rgb(129, 102, 179) |
| HSL | hsl(261, 34%, 55%) |
| OKLCH | oklch(57% 0.118 298.8) |
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 #8166B3 | 4.68:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #8166B3 | 4.48:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #8166B3 text on white | 4.68:1 | AA | Lc 72.4 | Content text, not long reading |
| #8166B3 text on black | 4.48:1 | AA large text | Lc -29.3 | 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
#C5BADF
oklch(81% 0.053 298.8)
-
Step 400
400
#A795CF
oklch(70.7% 0.085 298.4)
-
Step 500
500
#927AC2
oklch(63% 0.109 298.6)
-
Step 600
600 (this color)
#8166B3
oklch(57% 0.118 298.8)
-
Step 700
700
#6A5196
oklch(49.2% 0.11 299)
-
Step 800
800
#56427A
oklch(42.6% 0.092 298.9)
-
Step 900
900
#473862
oklch(37.6% 0.072 299.4)
-
Step 950
950
#292139
oklch(26.9% 0.045 298.7)
#8166B3 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) | #5074B6 | 0.073 |
| Deuteranopia (no green cones) | #5673B1 | 0.068 |
| Tritanopia (no blue cones) | #777384 | 0.092 |
| Achromatopsia (no color) | #747474 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8166B3
#8166B3
oklch(57% 0.118 298.8)
- #708022
#708022
oklch(56.8% 0.118 118.8)
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 #8166B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.028
- Deep Lilac #966EBD ΔE 0.044
- Dark Lavender #856798 ΔE 0.044
- Amethyst #9B5FC0 ΔE 0.051
- Dark Lilac #9C6DA5 ΔE 0.057
- Faded Purple #916E99 ΔE 0.058
- Light Indigo #6D5ACF ΔE 0.067
- Slate Blue #6A5ACD ΔE 0.067
Use #8166B3 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.