#766CDC
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.5% 0.165 284.2), rgb(118, 108, 220).
Aa
Black text reads best on this color (4.94:1).
About this color
#766CDC is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.165 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.030 away. Black text reads best on it, at 4.94:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.94:1 |
| White text | 4.24:1 |
Values
| HEX | #766CDC |
| RGB | rgb(118, 108, 220) |
| HSL | hsl(245, 62%, 64%) |
| OKLCH | oklch(59.5% 0.165 284.2) |
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 #766CDC | 4.24:1 | AA large text | Lc -74.6 | Content text, not long reading |
| Black text on #766CDC | 4.94:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #766CDC text on white | 4.24:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #766CDC text on black | 4.94:1 | AA | Lc -32.6 | 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
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D5D6F7
oklch(88.6% 0.045 284.1)
-
Step 300
300
#BABAF4
oklch(80.9% 0.081 284.4)
-
Step 400
400
#9894EE
oklch(70.7% 0.13 284.6)
-
Step 500
500 (this color)
#766CDC
oklch(59.5% 0.165 284.2)
-
Step 600
600
#6B5DD6
oklch(55.6% 0.179 284.2)
-
Step 700
700
#5A4CBA
oklch(49.2% 0.167 284.2)
-
Step 800
800
#493F96
oklch(42.7% 0.137 284.2)
-
Step 900
900
#3D3678
oklch(37.7% 0.109 284.7)
-
Step 950
950
#232046
oklch(26.9% 0.069 284.3)
#766CDC 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) | #377EE0 | 0.077 |
| Deuteranopia (no green cones) | #3277DA | 0.077 |
| Tritanopia (no blue cones) | #54849A | 0.140 |
| Achromatopsia (no color) | #7B7B7B | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #766CDC
#766CDC
oklch(59.5% 0.165 284.2)
- #8B8200
#8B8200
oklch(59.6% 0.126 104.7)
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 #766CDC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.030
- Dark Periwinkle #665FD1 ΔE 0.044
- Medium Purple #9370DB ΔE 0.048
- Light Indigo #6D5ACF ΔE 0.049
- Cornflower #6A79F7 ΔE 0.049
- Slate Blue #6A5ACD ΔE 0.052
- Purpley #8756E4 ΔE 0.055
- Iris #6258C4 ΔE 0.068
Use #766CDC 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.