#766FD8
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.8% 0.156 283.7), rgb(118, 111, 216).
Aa
Black text reads best on this color (5.03:1).
About this color
#766FD8 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.156 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.039 away. Black text reads best on it, at 5.03:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.03:1 |
| White text | 4.17:1 |
Values
| HEX | #766FD8 |
| RGB | rgb(118, 111, 216) |
| HSL | hsl(244, 57%, 64%) |
| OKLCH | oklch(59.8% 0.156 283.7) |
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 #766FD8 | 4.17:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #766FD8 | 5.03:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #766FD8 text on white | 4.17:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #766FD8 text on black | 5.03:1 | AA | Lc -33.1 | 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 500.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D5D6F5
oklch(88.5% 0.042 284)
-
Step 300
300
#BABBF1
oklch(81% 0.076 283.7)
-
Step 400
400
#9796EA
oklch(70.8% 0.122 283.4)
-
Step 500
500 (this color)
#766FD8
oklch(59.8% 0.156 283.7)
-
Step 600
600
#6A5FD1
oklch(55.5% 0.17 283.8)
-
Step 700
700
#594EB5
oklch(49.1% 0.157 283.8)
-
Step 800
800
#484193
oklch(42.8% 0.13 283.3)
-
Step 900
900
#3C3875
oklch(37.8% 0.101 283.4)
-
Step 950
950
#232144
oklch(27% 0.064 283.9)
#766FD8 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) | #427FDC | 0.067 |
| Deuteranopia (no green cones) | #3D79D6 | 0.068 |
| Tritanopia (no blue cones) | #568599 | 0.133 |
| Achromatopsia (no color) | #7C7C7C | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #766FD8
#766FD8
oklch(59.8% 0.156 283.7)
- #8D8200
#8D8200
oklch(59.8% 0.126 103.6)
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 #766FD8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.039
- Medium Purple #9370DB ΔE 0.046
- Dark Periwinkle #665FD1 ΔE 0.049
- Cornflower #6A79F7 ΔE 0.051
- Light Indigo #6D5ACF ΔE 0.054
- Slate Blue #6A5ACD ΔE 0.057
- Purpley #8756E4 ΔE 0.064
- Deep Lilac #966EBD ΔE 0.065
Use #766FD8 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.