#8664E7
Closest named color: Medium Slate Blue (#7B68EE). oklch(60.3% 0.19 291.6), rgb(134, 100, 231).
Aa
Black text reads best on this color (4.99:1).
About this color
#8664E7 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.190 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.021 away. Black text reads best on it, at 4.99:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.190) |
| Temperature | in between |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.99:1 |
| White text | 4.20:1 |
Values
| HEX | #8664E7 |
| RGB | rgb(134, 100, 231) |
| HSL | hsl(256, 73%, 65%) |
| OKLCH | oklch(60.3% 0.19 291.6) |
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 #8664E7 | 4.20:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #8664E7 | 4.99:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #8664E7 text on white | 4.20:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #8664E7 text on black | 4.99:1 | AA | Lc -33.0 | 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 500.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#D9D4F9
oklch(88.6% 0.051 291.5)
-
Step 300
300
#C1B6F8
oklch(80.9% 0.093 291.8)
-
Step 400
400
#A38DF5
oklch(70.6% 0.149 291.8)
-
Step 500
500 (this color)
#8664E7
oklch(60.3% 0.19 291.6)
-
Step 600
600
#7A50DF
oklch(55.5% 0.207 291.8)
-
Step 700
700
#6740C2
oklch(49.1% 0.192 291.5)
-
Step 800
800
#54369D
oklch(42.8% 0.159 291.7)
-
Step 900
900
#45307D
oklch(37.7% 0.125 291.9)
-
Step 950
950
#281D49
oklch(27% 0.079 291.8)
#8664E7 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) | #137DEB | 0.119 |
| Deuteranopia (no green cones) | #2179E4 | 0.114 |
| Tritanopia (no blue cones) | #6B819C | 0.155 |
| Achromatopsia (no color) | #7B7B7B | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8664E7
#8664E7
oklch(60.3% 0.19 291.6)
- #848800
#848800
oklch(60.3% 0.133 111.8)
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 #8664E7, closest first.
No curated palette has a color within ΔE 0.04 of #8664E7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.021
- Purpley #8756E4 ΔE 0.030
- Medium Purple #9370DB ΔE 0.043
- Lighter Purple #A55AF4 ΔE 0.057
- Light Indigo #6D5ACF ΔE 0.060
- Cornflower #6A79F7 ΔE 0.062
- Dark Periwinkle #665FD1 ΔE 0.062
- Slate Blue #6A5ACD ΔE 0.065
Use #8664E7 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.