#7666D8
Closest named color: Dark Periwinkle (#665FD1). oklch(58.2% 0.168 286.4), rgb(118, 102, 216).
Aa
Black text reads best on this color (4.66:1).
About this color
#7666D8 is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.168 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.033 away. Black text reads best on it, at 4.66:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.66:1 |
| White text | 4.50:1 |
Values
| HEX | #7666D8 |
| RGB | rgb(118, 102, 216) |
| HSL | hsl(248, 59%, 62%) |
| OKLCH | oklch(58.2% 0.168 286.4) |
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 #7666D8 | 4.50:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #7666D8 | 4.66:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #7666D8 text on white | 4.50:1 | AA | Lc 71.0 | Content text, not long reading |
| #7666D8 text on black | 4.66:1 | AA | Lc -30.7 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F8
oklch(93.6% 0.022 286)
-
Step 200
200
#D6D6F4
oklch(88.5% 0.041 285.5)
-
Step 300
300
#BCBAF0
oklch(80.9% 0.076 286.3)
-
Step 400
400
#9B94E8
oklch(70.6% 0.121 286.7)
-
Step 500
500
#8478E1
oklch(63.1% 0.154 286.3)
-
Step 600
600 (this color)
#7666D8
oklch(58.2% 0.168 286.4)
-
Step 700
700
#5D4DB3
oklch(49.1% 0.156 286.4)
-
Step 800
800
#4C4091
oklch(42.8% 0.129 286.4)
-
Step 900
900
#3F3774
oklch(37.8% 0.101 286.5)
-
Step 950
950
#242144
oklch(27.1% 0.064 285.2)
#7666D8 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) | #2D7ADC | 0.087 |
| Deuteranopia (no green cones) | #2B73D5 | 0.086 |
| Tritanopia (no blue cones) | #577F95 | 0.142 |
| Achromatopsia (no color) | #777777 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7666D8
#7666D8
oklch(58.2% 0.168 286.4)
- #857F00
#857F00
oklch(58.3% 0.125 106.4)
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 #7666D8, closest first.
No curated palette has a color within ΔE 0.04 of #7666D8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.033
- Medium Slate Blue #7B68EE ΔE 0.034
- Light Indigo #6D5ACF ΔE 0.035
- Slate Blue #6A5ACD ΔE 0.039
- Purpley #8756E4 ΔE 0.047
- Medium Purple #9370DB ΔE 0.055
- Iris #6258C4 ΔE 0.056
- Cornflower #6A79F7 ΔE 0.062
Use #7666D8 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.