#7666FB
Closest named color: Medium Slate Blue (#7B68EE). oklch(60.7% 0.214 282.8), rgb(118, 102, 251).
Aa
Black text reads best on this color (5.06:1).
About this color
#7666FB is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.214 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.022 away. Black text reads best on it, at 5.06:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.214) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.06:1 |
| White text | 4.14:1 |
Values
| HEX | #7666FB |
| RGB | rgb(118, 102, 251) |
| HSL | hsl(246, 95%, 69%) |
| OKLCH | oklch(60.7% 0.214 282.8) |
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 #7666FB | 4.14:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #7666FB | 5.06:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #7666FB text on white | 4.14:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #7666FB text on black | 5.06:1 | AA | Lc -33.6 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E6E8FE
oklch(93.6% 0.03 281.7)
-
Step 200
200
#D3D5FF
oklch(88.5% 0.058 283)
-
Step 300
300
#B7B9FF
oklch(80.9% 0.098 282.7)
-
Step 400
400
#9491FF
oklch(70.7% 0.158 282.8)
-
Step 500
500 (this color)
#7666FB
oklch(60.7% 0.214 282.8)
-
Step 600
600
#6950F3
oklch(55.6% 0.231 282.9)
-
Step 700
700
#583ED4
oklch(49.1% 0.217 282.9)
-
Step 800
800
#4735AB
oklch(42.6% 0.179 282.7)
-
Step 900
900
#3B3087
oklch(37.6% 0.139 283.1)
-
Step 950
950
#221D4F
oklch(26.9% 0.089 283.2)
#7666FB 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) | #0081FF | 0.099 |
| Deuteranopia (no green cones) | #0077F8 | 0.095 |
| Tritanopia (no blue cones) | #3C89A7 | 0.180 |
| Achromatopsia (no color) | #7C7C7C | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7666FB
#7666FB
oklch(60.7% 0.214 282.8)
- #918400
#918400
oklch(60.6% 0.127 102.5)
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 #7666FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.022
- Cornflower #6A79F7 ΔE 0.045
- Purpley #8756E4 ΔE 0.053
- Dark Periwinkle #665FD1 ΔE 0.070
- Neon Blue #4361EE ΔE 0.072
- Light Indigo #6D5ACF ΔE 0.072
- Medium Purple #9370DB ΔE 0.074
- Slate Blue #6A5ACD ΔE 0.076
Use #7666FB 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.