#7166DD
Closest named color: Dark Periwinkle (#665FD1). oklch(58.1% 0.175 283.7), rgb(113, 102, 221).
Aa
Black text reads best on this color (4.64:1).
About this color
#7166DD is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.175 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.030 away. Black text reads best on it, at 4.64:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.175) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.64:1 |
| White text | 4.51:1 |
Values
| HEX | #7166DD |
| RGB | rgb(113, 102, 221) |
| HSL | hsl(246, 64%, 63%) |
| OKLCH | oklch(58.1% 0.175 283.7) |
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 #7166DD | 4.51:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #7166DD | 4.64:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #7166DD text on white | 4.51:1 | AA | Lc 71.1 | Content text, not long reading |
| #7166DD text on black | 4.64:1 | AA | Lc -30.6 | 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 600.
-
Step 50
50
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D5D6F6
oklch(88.5% 0.044 284)
-
Step 300
300
#B9BAF3
oklch(80.8% 0.08 283.7)
-
Step 400
400
#9795EC
oklch(70.7% 0.126 283.7)
-
Step 500
500
#7F78E6
oklch(63% 0.161 283.6)
-
Step 600
600 (this color)
#7166DD
oklch(58.1% 0.175 283.7)
-
Step 700
700
#594DB8
oklch(49.2% 0.163 283.7)
-
Step 800
800
#484095
oklch(42.7% 0.135 283.4)
-
Step 900
900
#3C3777
oklch(37.7% 0.106 283.6)
-
Step 950
950
#232145
oklch(27% 0.065 283.6)
#7166DD 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) | #237AE1 | 0.085 |
| Deuteranopia (no green cones) | #1A73DA | 0.086 |
| Tritanopia (no blue cones) | #4A8098 | 0.148 |
| Achromatopsia (no color) | #767676 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7166DD
#7166DD
oklch(58.1% 0.175 283.7)
- #887D00
#887D00
oklch(58.1% 0.122 103.4)
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 #7166DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.030
- Medium Slate Blue #7B68EE ΔE 0.030
- Light Indigo #6D5ACF ΔE 0.035
- Slate Blue #6A5ACD ΔE 0.038
- Purpley #8756E4 ΔE 0.048
- Iris #6258C4 ΔE 0.056
- Cornflower #6A79F7 ΔE 0.056
- Royal Blue #4169E1 ΔE 0.060
Use #7166DD 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.