#7A66E6
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.5% 0.186 286.4), rgb(122, 102, 230).
Aa
Black text reads best on this color (4.87:1).
About this color
#7A66E6 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.186 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.013 away. Black text reads best on it, at 4.87:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.87:1 |
| White text | 4.31:1 |
Values
| HEX | #7A66E6 |
| RGB | rgb(122, 102, 230) |
| HSL | hsl(249, 72%, 65%) |
| OKLCH | oklch(59.5% 0.186 286.4) |
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 #7A66E6 | 4.31:1 | AA large text | Lc -75.0 | Fine for body text |
| Black text on #7A66E6 | 4.87:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #7A66E6 text on white | 4.31:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #7A66E6 text on black | 4.87:1 | AA | Lc -32.1 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D6D5FA
oklch(88.6% 0.051 286.6)
-
Step 300
300
#BBB8F9
oklch(80.8% 0.091 286.3)
-
Step 400
400
#9B91F6
oklch(70.8% 0.145 286.6)
-
Step 500
500 (this color)
#7A66E6
oklch(59.5% 0.186 286.4)
-
Step 600
600
#7056E1
oklch(55.7% 0.202 286.5)
-
Step 700
700
#5E45C4
oklch(49.2% 0.188 286.3)
-
Step 800
800
#4C399E
oklch(42.6% 0.156 286.3)
-
Step 900
900
#3F337E
oklch(37.8% 0.122 286.3)
-
Step 950
950
#251F4A
oklch(27.2% 0.077 286.5)
#7A66E6 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) | #157DEA | 0.101 |
| Deuteranopia (no green cones) | #1176E3 | 0.101 |
| Tritanopia (no blue cones) | #56839C | 0.157 |
| Achromatopsia (no color) | #7A7A7A | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7A66E6
#7A66E6
oklch(59.5% 0.186 286.4)
- #898300
#898300
oklch(59.6% 0.127 106.5)
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 #7A66E6, closest first.
No curated palette has a color within ΔE 0.04 of #7A66E6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.013
- Purpley #8756E4 ΔE 0.038
- Dark Periwinkle #665FD1 ΔE 0.048
- Light Indigo #6D5ACF ΔE 0.049
- Cornflower #6A79F7 ΔE 0.051
- Medium Purple #9370DB ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.053
- Iris #6258C4 ΔE 0.072
Use #7A66E6 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.