#766CDA
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.4% 0.163 284.4), rgb(118, 108, 218).
Aa
Black text reads best on this color (4.92:1).
About this color
#766CDA is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.163 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.033 away. Black text reads best on it, at 4.92:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #766CDA |
| RGB | rgb(118, 108, 218) |
| HSL | hsl(245, 60%, 64%) |
| OKLCH | oklch(59.4% 0.163 284.4) |
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 #766CDA | 4.26:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #766CDA | 4.92:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #766CDA text on white | 4.26:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #766CDA text on black | 4.92:1 | 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 500.
-
Step 50
50
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D5D6F6
oklch(88.5% 0.044 284)
-
Step 300
300
#BABAF3
oklch(80.9% 0.08 284.5)
-
Step 400
400
#9895ED
oklch(70.8% 0.127 284.2)
-
Step 500
500 (this color)
#766CDA
oklch(59.4% 0.163 284.4)
-
Step 600
600
#6B5DD5
oklch(55.5% 0.178 284.3)
-
Step 700
700
#5A4CB8
oklch(49.1% 0.164 284.5)
-
Step 800
800
#493F95
oklch(42.6% 0.136 284.3)
-
Step 900
900
#3D3777
oklch(37.8% 0.106 284.4)
-
Step 950
950
#232146
oklch(27.1% 0.067 283.4)
#766CDA 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) | #3A7EDE | 0.075 |
| Deuteranopia (no green cones) | #3577D8 | 0.075 |
| Tritanopia (no blue cones) | #558499 | 0.139 |
| Achromatopsia (no color) | #7B7B7B | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #766CDA
#766CDA
oklch(59.4% 0.163 284.4)
- #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 #766CDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.033
- 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 0.052
- Purpley #8756E4 ΔE 0.056
- Iris #6258C4 ΔE 0.067
Use #766CDA 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.