#8563F1
Closest named color: Medium Slate Blue (#7B68EE). oklch(60.7% 0.204 290), rgb(133, 99, 241).
Aa
Black text reads best on this color (5.05:1).
About this color
#8563F1 is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.204 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.019 away. Black text reads best on it, at 5.05:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.204) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #8563F1 |
| RGB | rgb(133, 99, 241) |
| HSL | hsl(254, 84%, 67%) |
| OKLCH | oklch(60.7% 0.204 290) |
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 #8563F1 | 4.15:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #8563F1 | 5.05:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #8563F1 text on white | 4.15:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #8563F1 text on black | 5.05:1 | AA | Lc -33.5 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FC
oklch(93.6% 0.028 290.2)
-
Step 200
200
#D8D4FC
oklch(88.6% 0.055 289.8)
-
Step 300
300
#BFB6FD
oklch(80.9% 0.1 289.8)
-
Step 400
400
#A18CFC
oklch(70.7% 0.16 290.3)
-
Step 500
500 (this color)
#8563F1
oklch(60.7% 0.204 290)
-
Step 600
600
#784DE8
oklch(55.6% 0.221 290.1)
-
Step 700
700
#653CCA
oklch(49.1% 0.206 289.9)
-
Step 800
800
#5233A3
oklch(42.6% 0.17 289.9)
-
Step 900
900
#432F82
oklch(37.7% 0.133 289.6)
-
Step 950
950
#271C4C
oklch(26.9% 0.085 290)
#8563F1 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) | #007FF6 | 0.121 |
| Deuteranopia (no green cones) | #0079EE | 0.120 |
| Tritanopia (no blue cones) | #6483A1 | 0.166 |
| Achromatopsia (no color) | #7C7C7C | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8563F1
#8563F1
oklch(60.7% 0.204 290)
- #888800
#888800
oklch(60.7% 0.132 109.8)
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 #8563F1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.019
- Purpley #8756E4 ΔE 0.032
- Medium Purple #9370DB ΔE 0.054
- Lighter Purple #A55AF4 ΔE 0.055
- Cornflower #6A79F7 ΔE 0.059
- Light Indigo #6D5ACF ΔE 0.068
- Dark Periwinkle #665FD1 ΔE 0.069
- Slate Blue #6A5ACD ΔE 0.073
Use #8563F1 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.