#8666B4
Closest named color: Deep Lavender (#8D5EB7). oklch(57.5% 0.121 301.6), rgb(134, 102, 180).
Aa
White text reads best on this color (4.59:1).
About this color
#8666B4 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 57%, its chroma 0.121 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.023 away. White text reads best on it, at 4.59:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 4.57:1 |
| White text | 4.59:1 |
Values
| HEX | #8666B4 |
| RGB | rgb(134, 102, 180) |
| HSL | hsl(265, 34%, 55%) |
| OKLCH | oklch(57.5% 0.121 301.6) |
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 #8666B4 | 4.59:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #8666B4 | 4.57:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #8666B4 text on white | 4.59:1 | AA | Lc 71.8 | Content text, not long reading |
| #8666B4 text on black | 4.57:1 | AA | Lc -29.9 | 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
#DCD5EA
oklch(88.5% 0.029 301)
-
Step 300
300
#C7B9DF
oklch(81% 0.055 302)
-
Step 400
400
#AA94CE
oklch(70.7% 0.086 301.6)
-
Step 500
500
#9679C2
oklch(63.2% 0.111 301.6)
-
Step 600
600 (this color)
#8666B4
oklch(57.5% 0.121 301.6)
-
Step 700
700
#6D4F95
oklch(49.1% 0.112 302.2)
-
Step 800
800
#584179
oklch(42.6% 0.093 301.5)
-
Step 900
900
#493862
oklch(37.8% 0.072 301.7)
-
Step 950
950
#2A2139
oklch(27% 0.045 300.7)
#8666B4 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) | #5175B7 | 0.080 |
| Deuteranopia (no green cones) | #5875B2 | 0.074 |
| Tritanopia (no blue cones) | #7E7384 | 0.093 |
| Achromatopsia (no color) | #757575 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8666B4
#8666B4
oklch(57.5% 0.121 301.6)
- #6E8325
#6E8325
oklch(57.4% 0.12 121.3)
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 #8666B4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.023
- Deep Lilac #966EBD ΔE 0.037
- Amethyst #9B5FC0 ΔE 0.043
- Dark Lavender #856798 ΔE 0.045
- Dark Lilac #9C6DA5 ΔE 0.051
- Faded Purple #916E99 ΔE 0.056
- Soft Purple #A66FB5 ΔE 0.061
- Medium Purple #9370DB ΔE 0.065
Use #8666B4 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.