#766CEA
Closest named color: Medium Slate Blue (#7B68EE). oklch(60.5% 0.184 283), rgb(118, 108, 234).
Aa
Black text reads best on this color (5.10:1).
About this color
#766CEA is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.184 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.013 away. Black text reads best on it, at 5.10:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #766CEA |
| RGB | rgb(118, 108, 234) |
| HSL | hsl(245, 75%, 67%) |
| OKLCH | oklch(60.5% 0.184 283) |
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 #766CEA | 4.11:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #766CEA | 5.10:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #766CEA text on white | 4.11:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #766CEA text on black | 5.10:1 | AA | Lc -33.7 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D4D6FA
oklch(88.6% 0.049 282.8)
-
Step 300
300
#B8BAFA
oklch(81% 0.09 282.8)
-
Step 400
400
#9593F7
oklch(70.7% 0.144 283)
-
Step 500
500 (this color)
#766CEA
oklch(60.5% 0.184 283)
-
Step 600
600
#6959E2
oklch(55.7% 0.2 283.1)
-
Step 700
700
#5848C4
oklch(49.2% 0.185 283.1)
-
Step 800
800
#473C9F
oklch(42.7% 0.154 282.7)
-
Step 900
900
#3B357E
oklch(37.8% 0.119 282.8)
-
Step 950
950
#22204A
oklch(27.1% 0.076 282.2)
#766CEA 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) | #2381EE | 0.087 |
| Deuteranopia (no green cones) | #1679E7 | 0.090 |
| Tritanopia (no blue cones) | #4A88A1 | 0.156 |
| Achromatopsia (no color) | #7D7D7D | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #766CEA
#766CEA
oklch(60.5% 0.184 283)
- #908400
#908400
oklch(60.5% 0.127 103.1)
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 #766CEA, closest first.
No curated palette has a color within ΔE 0.04 of #766CEA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.013
- Cornflower #6A79F7 ΔE 0.036
- Purpley #8756E4 ΔE 0.052
- Medium Purple #9370DB ΔE 0.053
- Dark Periwinkle #665FD1 ΔE 0.054
- Light Indigo #6D5ACF ΔE 0.059
- Slate Blue #6A5ACD ΔE 0.063
- Soft Blue #6488EA ΔE 0.070
Use #766CEA 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.