#563C78
Closest named color: Dark Slate Blue (#483D8B). oklch(41.4% 0.1 302.2), rgb(86, 60, 120).
Aa
White text reads best on this color (9.07:1).
About this color
#563C78 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.100 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.040 away. White text reads best on it, at 9.07:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.31:1 |
| White text | 9.07:1 |
Values
| HEX | #563C78 |
| RGB | rgb(86, 60, 120) |
| HSL | hsl(266, 33%, 35%) |
| OKLCH | oklch(41.4% 0.1 302.2) |
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 #563C78 | 9.07:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #563C78 | 2.31:1 | Fails | Lc 13.3 | Not readable |
| #563C78 text on white | 9.07:1 | AAA | Lc 90.7 | Preferred for body text |
| #563C78 text on black | 2.31:1 | Fails | Lc -11.6 | Not readable |
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 800.
-
Step 50
50
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F4
oklch(93.6% 0.018 303.4)
-
Step 200
200
#DDD4EC
oklch(88.4% 0.034 302.7)
-
Step 300
300
#C7B8E1
oklch(80.8% 0.059 301.8)
-
Step 400
400
#AB93D1
oklch(70.7% 0.092 301.8)
-
Step 500
500
#9777C5
oklch(63.1% 0.119 302)
-
Step 600
600
#825EB2
oklch(55.6% 0.131 302.1)
-
Step 700
700
#6E4D99
oklch(49% 0.121 302.2)
-
Step 800
800 (this color)
#563C78
oklch(41.4% 0.1 302.2)
-
Step 900
900
#4A3664
oklch(37.7% 0.079 302.8)
-
Step 950
950
#2B203A
oklch(26.9% 0.049 302.7)
#563C78 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) | #2A487A | 0.070 |
| Deuteranopia (no green cones) | #314877 | 0.064 |
| Tritanopia (no blue cones) | #504754 | 0.077 |
| Achromatopsia (no color) | #484848 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #563C78
#563C78
oklch(41.4% 0.1 302.2)
- #425301
#425301
oklch(41.3% 0.1 122.3)
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 #563C78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.040
- Blueberry #464196 ΔE 0.056
- Twilight #4E518B ΔE 0.060
- Dusk #4E5481 ΔE 0.066
- Rebecca Purple #663399 ΔE 0.066
- Dusty Grape #545775 ΔE 0.078
- Cobalt #1E488F ΔE 0.085
- Dusk Blue #26538D ΔE 0.087
Use #563C78 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.