#7C66EC
Closest named color: Medium Slate Blue (#7B68EE). oklch(60.1% 0.194 286.5), rgb(124, 102, 236).
Aa
Black text reads best on this color (4.96:1).
About this color
#7C66EC is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.194 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.005 away. Black text reads best on it, at 4.96:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.194) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.96:1 |
| White text | 4.22:1 |
Values
| HEX | #7C66EC |
| RGB | rgb(124, 102, 236) |
| HSL | hsl(250, 78%, 66%) |
| OKLCH | oklch(60.1% 0.194 286.5) |
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 #7C66EC | 4.22:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #7C66EC | 4.96:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #7C66EC text on white | 4.22:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #7C66EC text on black | 4.96:1 | AA | Lc -32.8 | 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
#D6D5FB
oklch(88.6% 0.052 286.5)
-
Step 300
300
#BBB8FB
oklch(80.9% 0.094 286.1)
-
Step 400
400
#9B90FA
oklch(70.8% 0.152 286.6)
-
Step 500
500 (this color)
#7C66EC
oklch(60.1% 0.194 286.5)
-
Step 600
600
#7053E5
oklch(55.5% 0.21 286.5)
-
Step 700
700
#5F42C7
oklch(49.1% 0.196 286.8)
-
Step 800
800
#4D38A1
oklch(42.8% 0.162 286.6)
-
Step 900
900
#3F3280
oklch(37.7% 0.126 286.3)
-
Step 950
950
#251E4B
oklch(27% 0.08 286.9)
#7C66EC 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) | #007FF0 | 0.108 |
| Deuteranopia (no green cones) | #0077E9 | 0.106 |
| Tritanopia (no blue cones) | #56849F | 0.162 |
| Achromatopsia (no color) | #7B7B7B | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C66EC
#7C66EC
oklch(60.1% 0.194 286.5)
- #8A8400
#8A8400
oklch(59.9% 0.128 106.5)
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 #7C66EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.005
- Purpley #8756E4 ΔE 0.038
- Cornflower #6A79F7 ΔE 0.049
- Medium Purple #9370DB ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.056
- Light Indigo #6D5ACF ΔE 0.057
- Slate Blue #6A5ACD ΔE 0.061
- Lighter Purple #A55AF4 ΔE 0.071
Use #7C66EC 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.