#7C66E5
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.6% 0.185 287.4), rgb(124, 102, 229).
Aa
Black text reads best on this color (4.88:1).
About this color
#7C66E5 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.185 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.014 away. Black text reads best on it, at 4.88:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.185) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.88:1 |
| White text | 4.29:1 |
Values
| HEX | #7C66E5 |
| RGB | rgb(124, 102, 229) |
| HSL | hsl(250, 71%, 65%) |
| OKLCH | oklch(59.6% 0.185 287.4) |
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 #7C66E5 | 4.29:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #7C66E5 | 4.88:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #7C66E5 text on white | 4.29:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #7C66E5 text on black | 4.88:1 | AA | Lc -32.3 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D6D5F9
oklch(88.5% 0.049 286.6)
-
Step 300
300
#BCB8F9
oklch(80.9% 0.091 287)
-
Step 400
400
#9C90F5
oklch(70.6% 0.145 287.5)
-
Step 500
500 (this color)
#7C66E5
oklch(59.6% 0.185 287.4)
-
Step 600
600
#7255E0
oklch(55.6% 0.202 287.6)
-
Step 700
700
#6044C2
oklch(49.1% 0.187 287.7)
-
Step 800
800
#4E399D
oklch(42.7% 0.155 287.6)
-
Step 900
900
#40337D
oklch(37.8% 0.12 287.2)
-
Step 950
950
#251E49
oklch(26.9% 0.077 287.5)
#7C66E5 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) | #1A7DE9 | 0.102 |
| Deuteranopia (no green cones) | #1977E2 | 0.102 |
| Tritanopia (no blue cones) | #5A829C | 0.153 |
| Achromatopsia (no color) | #7A7A7A | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C66E5
#7C66E5
oklch(59.6% 0.185 287.4)
- #888300
#888300
oklch(59.5% 0.128 107)
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 #7C66E5, closest first.
No curated palette has a color within ΔE 0.04 of #7C66E5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.014
- Purpley #8756E4 ΔE 0.037
- Dark Periwinkle #665FD1 ΔE 0.049
- Light Indigo #6D5ACF ΔE 0.050
- Medium Purple #9370DB ΔE 0.050
- Cornflower #6A79F7 ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.054
- Iris #6258C4 ΔE 0.073
Use #7C66E5 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.