#766DCF
Closest named color: Dark Periwinkle (#665FD1). oklch(58.9% 0.146 285.2), rgb(118, 109, 207).
Aa
Black text reads best on this color (4.85:1).
About this color
#766DCF is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.146 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.045 away. Black text reads best on it, at 4.85:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.85:1 |
| White text | 4.32:1 |
Values
| HEX | #766DCF |
| RGB | rgb(118, 109, 207) |
| HSL | hsl(246, 51%, 62%) |
| OKLCH | oklch(58.9% 0.146 285.2) |
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 #766DCF | 4.32:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #766DCF | 4.85:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #766DCF text on white | 4.32:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #766DCF text on black | 4.85:1 | AA | Lc -31.9 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D6D6F1
oklch(88.4% 0.037 285.6)
-
Step 300
300
#BCBBEA
oklch(80.9% 0.066 285.8)
-
Step 400
400
#9A97E0
oklch(70.7% 0.106 285.2)
-
Step 500
500
#827CD7
oklch(63.2% 0.134 284.9)
-
Step 600
600 (this color)
#766DCF
oklch(58.9% 0.146 285.2)
-
Step 700
700
#5B52A9
oklch(49.2% 0.135 285)
-
Step 800
800
#4A4389
oklch(42.6% 0.113 285.1)
-
Step 900
900
#3E396E
oklch(37.7% 0.089 285.6)
-
Step 950
950
#242240
oklch(27% 0.055 285.1)
#766DCF 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) | #467CD3 | 0.065 |
| Deuteranopia (no green cones) | #4377CD | 0.065 |
| Tritanopia (no blue cones) | #5B8194 | 0.124 |
| Achromatopsia (no color) | #7A7A7A | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #766DCF
#766DCF
oklch(58.9% 0.146 285.2)
- #888000
#888000
oklch(58.8% 0.125 105.2)
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 #766DCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.045
- Light Indigo #6D5ACF ΔE 0.050
- Medium Purple #9370DB ΔE 0.050
- Medium Slate Blue #7B68EE ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.052
- Deep Lavender #8D5EB7 ΔE 0.057
- Deep Lilac #966EBD ΔE 0.058
- Iris #6258C4 ΔE 0.064
Use #766DCF 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.