#7A66EA
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.8% 0.191 286), rgb(122, 102, 234).
Aa
Black text reads best on this color (4.91:1).
About this color
#7A66EA is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.191 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.008 away. Black text reads best on it, at 4.91:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.191) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.91:1 |
| White text | 4.27:1 |
Values
| HEX | #7A66EA |
| RGB | rgb(122, 102, 234) |
| HSL | hsl(249, 76%, 66%) |
| OKLCH | oklch(59.8% 0.191 286) |
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 #7A66EA | 4.27:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #7A66EA | 4.91:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #7A66EA text on white | 4.27:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #7A66EA text on black | 4.91:1 | AA | Lc -32.5 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E8E8FC
oklch(93.7% 0.027 285.9)
-
Step 200
200
#D5D5FB
oklch(88.5% 0.052 285.3)
-
Step 300
300
#BBB8FB
oklch(80.9% 0.094 286.1)
-
Step 400
400
#9A90F9
oklch(70.7% 0.151 286.2)
-
Step 500
500 (this color)
#7A66EA
oklch(59.8% 0.191 286)
-
Step 600
600
#6F54E4
oklch(55.5% 0.208 286.1)
-
Step 700
700
#5D43C7
oklch(49.1% 0.195 285.8)
-
Step 800
800
#4C39A0
oklch(42.7% 0.159 286)
-
Step 900
900
#3F327F
oklch(37.6% 0.125 286.5)
-
Step 950
950
#241E4B
oklch(26.9% 0.08 285.8)
#7A66EA 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) | #037EEE | 0.104 |
| Deuteranopia (no green cones) | #0077E7 | 0.104 |
| Tritanopia (no blue cones) | #53849E | 0.161 |
| Achromatopsia (no color) | #7A7A7A | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7A66EA
#7A66EA
oklch(59.8% 0.191 286)
- #8A8300
#8A8300
oklch(59.7% 0.127 105.9)
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 #7A66EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.008
- Purpley #8756E4 ΔE 0.039
- Cornflower #6A79F7 ΔE 0.049
- Dark Periwinkle #665FD1 ΔE 0.052
- Light Indigo #6D5ACF ΔE 0.053
- Medium Purple #9370DB ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.058
- Lighter Purple #A55AF4 ΔE 0.074
Use #7A66EA 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.