#7666E2
Closest named color: Medium Slate Blue (#7B68EE). oklch(58.9% 0.181 285.3), rgb(118, 102, 226).
Aa
Black text reads best on this color (4.76:1).
About this color
#7666E2 is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.181 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.020 away. Black text reads best on it, at 4.76:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.76:1 |
| White text | 4.40:1 |
Values
| HEX | #7666E2 |
| RGB | rgb(118, 102, 226) |
| HSL | hsl(248, 68%, 64%) |
| OKLCH | oklch(58.9% 0.181 285.3) |
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 #7666E2 | 4.40:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #7666E2 | 4.76:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #7666E2 text on white | 4.40:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #7666E2 text on black | 4.76:1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D5D6F7
oklch(88.6% 0.045 284.1)
-
Step 300
300
#BBBAF4
oklch(81% 0.081 285.2)
-
Step 400
400
#9994EE
oklch(70.8% 0.13 285.1)
-
Step 500
500
#8276E9
oklch(63.1% 0.168 285.3)
-
Step 600
600 (this color)
#7666E2
oklch(58.9% 0.181 285.3)
-
Step 700
700
#5B4BBA
oklch(49.1% 0.168 285)
-
Step 800
800
#4A3E97
oklch(42.7% 0.14 284.9)
-
Step 900
900
#3E3678
oklch(37.8% 0.109 285.5)
-
Step 950
950
#242046
oklch(27% 0.069 285.6)
#7666E2 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) | #1C7CE6 | 0.094 |
| Deuteranopia (no green cones) | #1574DF | 0.094 |
| Tritanopia (no blue cones) | #51829A | 0.154 |
| Achromatopsia (no color) | #787878 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7666E2
#7666E2
oklch(58.9% 0.181 285.3)
- #888000
#888000
oklch(58.8% 0.125 105.2)
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 #7666E2, closest first.
No curated palette has a color within ΔE 0.04 of #7666E2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.020
- Dark Periwinkle #665FD1 ΔE 0.040
- Purpley #8756E4 ΔE 0.042
- Light Indigo #6D5ACF ΔE 0.042
- Slate Blue #6A5ACD ΔE 0.046
- Cornflower #6A79F7 ΔE 0.053
- Medium Purple #9370DB ΔE 0.056
- Iris #6258C4 ΔE 0.065
Use #7666E2 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.