#7664D9
Closest named color: Dark Periwinkle (#665FD1). oklch(57.9% 0.172 286.8), rgb(118, 100, 217).
Aa
Black text reads best on this color (4.59:1).
About this color
#7664D9 is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.172 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.031 away. Black text reads best on it, at 4.59:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.172) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.59:1 |
| White text | 4.57:1 |
Values
| HEX | #7664D9 |
| RGB | rgb(118, 100, 217) |
| HSL | hsl(249, 61%, 62%) |
| OKLCH | oklch(57.9% 0.172 286.8) |
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 #7664D9 | 4.57:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #7664D9 | 4.59:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #7664D9 text on white | 4.57:1 | AA | Lc 71.5 | Content text, not long reading |
| #7664D9 text on black | 4.59:1 | AA | Lc -30.2 | 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
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D6D5F5
oklch(88.4% 0.044 286.9)
-
Step 300
300
#BCBAF1
oklch(80.9% 0.077 286.2)
-
Step 400
400
#9B94EA
oklch(70.7% 0.124 286.5)
-
Step 500
500
#8577E3
oklch(63.2% 0.158 286.9)
-
Step 600
600 (this color)
#7664D9
oklch(57.9% 0.172 286.8)
-
Step 700
700
#5E4CB5
oklch(49.2% 0.16 286.9)
-
Step 800
800
#4C3F93
oklch(42.8% 0.133 286.4)
-
Step 900
900
#3F3675
oklch(37.7% 0.104 286.8)
-
Step 950
950
#252044
oklch(26.9% 0.065 287.6)
#7664D9 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) | #2679DD | 0.092 |
| Deuteranopia (no green cones) | #2472D6 | 0.091 |
| Tritanopia (no blue cones) | #567D95 | 0.143 |
| Achromatopsia (no color) | #767676 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7664D9
#7664D9
oklch(57.9% 0.172 286.8)
- #837E00
#837E00
oklch(57.9% 0.124 106.9)
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 #7664D9, closest first.
No curated palette has a color within ΔE 0.04 of #7664D9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.031
- Light Indigo #6D5ACF ΔE 0.032
- Medium Slate Blue #7B68EE ΔE 0.033
- Slate Blue #6A5ACD ΔE 0.036
- Purpley #8756E4 ΔE 0.043
- Iris #6258C4 ΔE 0.054
- Medium Purple #9370DB ΔE 0.057
- Deep Lavender #8D5EB7 ΔE 0.064
Use #7664D9 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.