#7664DA
Closest named color: Dark Periwinkle (#665FD1). oklch(58% 0.174 286.7), rgb(118, 100, 218).
Aa
Black text reads best on this color (4.60:1).
About this color
#7664DA is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.174 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 4.60:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.60:1 |
| White text | 4.55:1 |
Values
| HEX | #7664DA |
| RGB | rgb(118, 100, 218) |
| HSL | hsl(249, 61%, 62%) |
| OKLCH | oklch(58% 0.174 286.7) |
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 #7664DA | 4.55:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #7664DA | 4.60:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #7664DA text on white | 4.55:1 | AA | Lc 71.4 | Content text, not long reading |
| #7664DA text on black | 4.60:1 | AA | Lc -30.3 | 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
#8477E4
oklch(63.1% 0.159 286.4)
-
Step 600
600 (this color)
#7664DA
oklch(58% 0.174 286.7)
-
Step 700
700
#5E4BB6
oklch(49.1% 0.162 287)
-
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
#252045
oklch(27% 0.067 287.2)
#7664DA 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) | #2579DE | 0.092 |
| Deuteranopia (no green cones) | #2272D7 | 0.092 |
| Tritanopia (no blue cones) | #567E95 | 0.146 |
| Achromatopsia (no color) | #767676 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7664DA
#7664DA
oklch(58% 0.174 286.7)
- #847E00
#847E00
oklch(58% 0.124 106.3)
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 #7664DA, closest first.
No curated palette has a color within ΔE 0.04 of #7664DA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.031
- Medium Slate Blue #7B68EE ΔE 0.032
- Light Indigo #6D5ACF ΔE 0.032
- Slate Blue #6A5ACD ΔE 0.037
- Purpley #8756E4 ΔE 0.042
- Iris #6258C4 ΔE 0.055
- Medium Purple #9370DB ΔE 0.057
- Cornflower #6A79F7 ΔE 0.063
Use #7664DA 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.