#766FCE
Closest named color: Dark Periwinkle (#665FD1). oklch(59.2% 0.142 284.5), rgb(118, 111, 206).
Aa
Black text reads best on this color (4.93:1).
About this color
#766FCE is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.142 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.050 away. Black text reads best on it, at 4.93:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.93:1 |
| White text | 4.25:1 |
Values
| HEX | #766FCE |
| RGB | rgb(118, 111, 206) |
| HSL | hsl(244, 49%, 62%) |
| OKLCH | oklch(59.2% 0.142 284.5) |
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 #766FCE | 4.25:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #766FCE | 4.93:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #766FCE text on white | 4.25:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #766FCE text on black | 4.93:1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D6D6F0
oklch(88.4% 0.036 285.7)
-
Step 300
300
#BBBCE9
oklch(81% 0.063 283.9)
-
Step 400
400
#9998DE
oklch(70.8% 0.102 284.1)
-
Step 500
500
#817DD5
oklch(63.2% 0.13 284.1)
-
Step 600
600 (this color)
#766FCE
oklch(59.2% 0.142 284.5)
-
Step 700
700
#5A53A7
oklch(49.1% 0.13 284.3)
-
Step 800
800
#4A4488
oklch(42.8% 0.11 284.8)
-
Step 900
900
#3D3A6D
oklch(37.7% 0.085 284.2)
-
Step 950
950
#242240
oklch(27% 0.055 285.1)
#766FCE 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) | #4A7ED1 | 0.061 |
| Deuteranopia (no green cones) | #4778CC | 0.060 |
| Tritanopia (no blue cones) | #5B8294 | 0.121 |
| Achromatopsia (no color) | #7B7B7B | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #766FCE
#766FCE
oklch(59.2% 0.142 284.5)
- #8A8100
#8A8100
oklch(59.2% 0.125 104.7)
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 #766FCE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.050
- Medium Purple #9370DB ΔE 0.050
- Medium Slate Blue #7B68EE ΔE 0.054
- Light Indigo #6D5ACF ΔE 0.055
- Deep Lilac #966EBD ΔE 0.056
- Slate Blue #6A5ACD ΔE 0.057
- Deep Lavender #8D5EB7 ΔE 0.059
- Cornflower #6A79F7 ΔE 0.064
Use #766FCE 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.