#7D66D9
Closest named color: Medium Slate Blue (#7B68EE). oklch(58.9% 0.169 289.4), rgb(125, 102, 217).
Aa
Black text reads best on this color (4.77:1).
About this color
#7D66D9 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.169 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.032 away. Black text reads best on it, at 4.77:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #7D66D9 |
| RGB | rgb(125, 102, 217) |
| HSL | hsl(252, 60%, 63%) |
| OKLCH | oklch(58.9% 0.169 289.4) |
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 #7D66D9 | 4.39:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #7D66D9 | 4.77:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #7D66D9 text on white | 4.39:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #7D66D9 text on black | 4.77:1 | AA | Lc -31.4 | 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
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D8D5F4
oklch(88.5% 0.042 289.9)
-
Step 300
300
#BFB9EF
oklch(80.9% 0.076 289.7)
-
Step 400
400
#9F93E7
oklch(70.7% 0.121 289.5)
-
Step 500
500
#8976E0
oklch(63.1% 0.155 289.4)
-
Step 600
600 (this color)
#7D66D9
oklch(58.9% 0.169 289.4)
-
Step 700
700
#614BB2
oklch(49.1% 0.157 289.1)
-
Step 800
800
#4F3E90
oklch(42.6% 0.13 289.2)
-
Step 900
900
#413673
oklch(37.7% 0.101 288.9)
-
Step 950
950
#262043
oklch(27% 0.064 289.3)
#7D66D9 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) | #2F7BDD | 0.095 |
| Deuteranopia (no green cones) | #3276D6 | 0.092 |
| Tritanopia (no blue cones) | #627E96 | 0.139 |
| Achromatopsia (no color) | #787878 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7D66D9
#7D66D9
oklch(58.9% 0.169 289.4)
- #838200
#838200
oklch(58.8% 0.128 109.2)
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 #7D66D9, closest first.
No curated palette has a color within ΔE 0.04 of #7D66D9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.032
- Purpley #8756E4 ΔE 0.042
- Light Indigo #6D5ACF ΔE 0.042
- Dark Periwinkle #665FD1 ΔE 0.043
- Medium Purple #9370DB ΔE 0.045
- Slate Blue #6A5ACD ΔE 0.047
- Deep Lavender #8D5EB7 ΔE 0.058
- Amethyst #9B5FC0 ΔE 0.063
Use #7D66D9 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.