#766CD9
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.3% 0.161 284.5), rgb(118, 108, 217).
Aa
Black text reads best on this color (4.91:1).
About this color
#766CD9 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.161 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.035 away. Black text reads best on it, at 4.91:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.91:1 |
| White text | 4.27:1 |
Values
| HEX | #766CD9 |
| RGB | rgb(118, 108, 217) |
| HSL | hsl(246, 59%, 64%) |
| OKLCH | oklch(59.3% 0.161 284.5) |
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 #766CD9 | 4.27:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #766CD9 | 4.91:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #766CD9 text on white | 4.27:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #766CD9 text on black | 4.91:1 | AA | Lc -32.4 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E8E8F8
oklch(93.6% 0.022 286)
-
Step 200
200
#D5D6F4
oklch(88.5% 0.041 284)
-
Step 300
300
#BBBBEE
oklch(80.9% 0.072 284.7)
-
Step 400
400
#9996E6
oklch(70.7% 0.116 284.7)
-
Step 500
500
#817ADF
oklch(63.2% 0.148 284.4)
-
Step 600
600 (this color)
#766CD9
oklch(59.3% 0.161 284.5)
-
Step 700
700
#5A4FB1
oklch(49.1% 0.15 284.5)
-
Step 800
800
#49418F
oklch(42.6% 0.125 284.4)
-
Step 900
900
#3D3872
oklch(37.7% 0.096 284.7)
-
Step 950
950
#242143
oklch(27% 0.062 285.5)
#766CD9 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) | #3B7EDD | 0.075 |
| Deuteranopia (no green cones) | #3677D7 | 0.075 |
| Tritanopia (no blue cones) | #558398 | 0.137 |
| Achromatopsia (no color) | #7A7A7A | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #766CD9
#766CD9
oklch(59.3% 0.161 284.5)
- #8B8100
#8B8100
oklch(59.3% 0.125 104.1)
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 #766CD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.035
- Dark Periwinkle #665FD1 ΔE 0.043
- Medium Purple #9370DB ΔE 0.048
- Light Indigo #6D5ACF ΔE 0.048
- Slate Blue #6A5ACD ΔE 0.051
- Cornflower #6A79F7 ΔE 0.053
- Purpley #8756E4 ΔE 0.057
- Deep Lavender #8D5EB7 ΔE 0.066
Use #766CD9 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.