#766DD2
Closest named color: Dark Periwinkle (#665FD1). oklch(59.1% 0.15 284.9), rgb(118, 109, 210).
Aa
Black text reads best on this color (4.88:1).
About this color
#766DD2 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.150 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.044 away. Black text reads best on it, at 4.88:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.88:1 |
| White text | 4.29:1 |
Values
| HEX | #766DD2 |
| RGB | rgb(118, 109, 210) |
| HSL | hsl(245, 53%, 63%) |
| OKLCH | oklch(59.1% 0.15 284.9) |
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 #766DD2 | 4.29:1 | AA large text | Lc -75.0 | Fine for body text |
| Black text on #766DD2 | 4.88:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #766DD2 text on white | 4.29:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #766DD2 text on black | 4.88:1 | AA | Lc -32.1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D6D6F2
oklch(88.5% 0.038 285.6)
-
Step 300
300
#BBBBEB
oklch(80.8% 0.067 284.8)
-
Step 400
400
#9997E1
oklch(70.7% 0.107 284.5)
-
Step 500
500
#827BD9
oklch(63.1% 0.139 285.1)
-
Step 600
600 (this color)
#766DD2
oklch(59.1% 0.15 284.9)
-
Step 700
700
#5B51AB
oklch(49.1% 0.139 285.1)
-
Step 800
800
#4A438B
oklch(42.8% 0.116 284.8)
-
Step 900
900
#3D396F
oklch(37.7% 0.09 284.6)
-
Step 950
950
#242241
oklch(27.1% 0.057 284.9)
#766DD2 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) | #437DD6 | 0.068 |
| Deuteranopia (no green cones) | #4077D0 | 0.067 |
| Tritanopia (no blue cones) | #598295 | 0.129 |
| Achromatopsia (no color) | #7A7A7A | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #766DD2
#766DD2
oklch(59.1% 0.15 284.9)
- #898100
#898100
oklch(59.1% 0.126 105.3)
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 #766DD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.044
- Medium Slate Blue #7B68EE ΔE 0.046
- Medium Purple #9370DB ΔE 0.049
- Light Indigo #6D5ACF ΔE 0.049
- Slate Blue #6A5ACD ΔE 0.052
- Deep Lavender #8D5EB7 ΔE 0.060
- Cornflower #6A79F7 ΔE 0.060
- Deep Lilac #966EBD ΔE 0.061
Use #766DD2 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.