#7664C3
Closest named color: Light Indigo (#6D5ACF). oklch(56.5% 0.143 289.8), rgb(118, 100, 195).
Aa
White text reads best on this color (4.79:1).
About this color
#7664C3 is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.143 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.037 away. White text reads best on it, at 4.79:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.38:1 |
| White text | 4.79:1 |
Values
| HEX | #7664C3 |
| RGB | rgb(118, 100, 195) |
| HSL | hsl(251, 44%, 58%) |
| OKLCH | oklch(56.5% 0.143 289.8) |
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 #7664C3 | 4.79:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #7664C3 | 4.38:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #7664C3 text on white | 4.79:1 | AA | Lc 73.1 | Content text, not long reading |
| #7664C3 text on black | 4.38:1 | AA large text | Lc -28.6 | Dividers and decoration only |
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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D6F0
oklch(88.6% 0.036 289.2)
-
Step 300
300
#BFBAE8
oklch(80.8% 0.065 289.9)
-
Step 400
400
#9F96DD
oklch(70.8% 0.103 289.3)
-
Step 500
500
#897AD3
oklch(63.1% 0.131 289.8)
-
Step 600
600 (this color)
#7664C3
oklch(56.5% 0.143 289.8)
-
Step 700
700
#6150A6
oklch(49.1% 0.133 289.7)
-
Step 800
800
#4F4286
oklch(42.7% 0.109 289.7)
-
Step 900
900
#41386C
oklch(37.6% 0.087 289.5)
-
Step 950
950
#26213F
oklch(26.9% 0.055 289.9)
#7664C3 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) | #3F74C6 | 0.075 |
| Deuteranopia (no green cones) | #4070C1 | 0.073 |
| Tritanopia (no blue cones) | #61778A | 0.118 |
| Achromatopsia (no color) | #727272 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7664C3
#7664C3
oklch(56.5% 0.143 289.8)
- #7B7B00
#7B7B00
oklch(56.4% 0.123 109.8)
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 #7664C3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.037
- Dark Periwinkle #665FD1 ΔE 0.037
- Slate Blue #6A5ACD ΔE 0.038
- Deep Lavender #8D5EB7 ΔE 0.042
- Iris #6258C4 ΔE 0.046
- Amethyst #9B5FC0 ΔE 0.062
- Deep Lilac #966EBD ΔE 0.062
- Medium Slate Blue #7B68EE ΔE 0.066
Use #7664C3 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.