#8563E3
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.7% 0.186 292), rgb(133, 99, 227).
Aa
Black text reads best on this color (4.89:1).
About this color
#8563E3 is a medium-dark, vivid purple. In OKLCH its lightness is 60%, its chroma 0.186 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 0.024 away. Black text reads best on it, at 4.89:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.186) |
| Temperature | in between |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.89:1 |
| White text | 4.29:1 |
Values
| HEX | #8563E3 |
| RGB | rgb(133, 99, 227) |
| HSL | hsl(256, 70%, 64%) |
| OKLCH | oklch(59.7% 0.186 292) |
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 #8563E3 | 4.29:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #8563E3 | 4.89:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #8563E3 text on white | 4.29:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #8563E3 text on black | 4.89:1 | AA | Lc -32.3 | 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 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
#C1B6F7
oklch(80.8% 0.091 292)
-
Step 400
400
#A38EF3
oklch(70.7% 0.145 291.8)
-
Step 500
500 (this color)
#8563E3
oklch(59.7% 0.186 292)
-
Step 600
600
#7A51DD
oklch(55.5% 0.203 291.9)
-
Step 700
700
#6741C0
oklch(49.1% 0.188 291.7)
-
Step 800
800
#54369B
oklch(42.6% 0.156 292.1)
-
Step 900
900
#45317B
oklch(37.7% 0.121 292.1)
-
Step 950
950
#281D48
oklch(26.9% 0.077 292.2)
#8563E3 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) | #197CE7 | 0.117 |
| Deuteranopia (no green cones) | #2577E0 | 0.112 |
| Tritanopia (no blue cones) | #6B7F99 | 0.152 |
| Achromatopsia (no color) | #7A7A7A | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8563E3
#8563E3
oklch(59.7% 0.186 292)
- #828600
#828600
oklch(59.7% 0.132 111.9)
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 #8563E3, closest first.
No curated palette has a color within ΔE 0.04 of #8563E3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.024
- Purpley #8756E4 ΔE 0.028
- Medium Purple #9370DB ΔE 0.043
- Light Indigo #6D5ACF ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.057
- Slate Blue #6A5ACD ΔE 0.059
- Lighter Purple #A55AF4 ΔE 0.061
- Cornflower #6A79F7 ΔE 0.064
Use #8563E3 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.