#7E66D3
Closest named color: Medium Slate Blue (#7B68EE). oklch(58.6% 0.161 290.7), rgb(126, 102, 211).
Aa
Black text reads best on this color (4.72:1).
About this color
#7E66D3 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.161 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.041 away. Black text reads best on it, at 4.72:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.72:1 |
| White text | 4.44:1 |
Values
| HEX | #7E66D3 |
| RGB | rgb(126, 102, 211) |
| HSL | hsl(253, 55%, 61%) |
| OKLCH | oklch(58.6% 0.161 290.7) |
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 #7E66D3 | 4.44:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #7E66D3 | 4.72:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #7E66D3 text on white | 4.44:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #7E66D3 text on black | 4.72:1 | AA | Lc -31.1 | 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 600.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D8D5F3
oklch(88.5% 0.041 290.1)
-
Step 300
300
#C0B9ED
oklch(80.9% 0.073 290.8)
-
Step 400
400
#A193E4
oklch(70.7% 0.117 291)
-
Step 500
500
#8B76DC
oklch(63.1% 0.15 290.9)
-
Step 600
600 (this color)
#7E66D3
oklch(58.6% 0.161 290.7)
-
Step 700
700
#634CAE
oklch(49.1% 0.15 290.6)
-
Step 800
800
#513F8D
oklch(42.8% 0.124 290.8)
-
Step 900
900
#423670
oklch(37.6% 0.096 290.5)
-
Step 950
950
#272042
oklch(27% 0.062 291.2)
#7E66D3 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) | #377AD7 | 0.092 |
| Deuteranopia (no green cones) | #3A75D1 | 0.088 |
| Tritanopia (no blue cones) | #677D93 | 0.133 |
| Achromatopsia (no color) | #787878 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7E66D3
#7E66D3
oklch(58.6% 0.161 290.7)
- #808200
#808200
oklch(58.5% 0.129 110.9)
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 #7E66D3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.041
- Light Indigo #6D5ACF ΔE 0.042
- Dark Periwinkle #665FD1 ΔE 0.043
- Medium Purple #9370DB ΔE 0.045
- Slate Blue #6A5ACD ΔE 0.046
- Purpley #8756E4 ΔE 0.047
- Deep Lavender #8D5EB7 ΔE 0.050
- Amethyst #9B5FC0 ΔE 0.057
Use #7E66D3 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.