#563B80
Closest named color: Dark Slate Blue (#483D8B). oklch(41.7% 0.113 299.5), rgb(86, 59, 128).
Aa
White text reads best on this color (9.00:1).
About this color
#563B80 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.113 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.030 away. White text reads best on it, at 9.00:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.33:1 |
| White text | 9.00:1 |
Values
| HEX | #563B80 |
| RGB | rgb(86, 59, 128) |
| HSL | hsl(263, 37%, 37%) |
| OKLCH | oklch(41.7% 0.113 299.5) |
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 #563B80 | 9.00:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #563B80 | 2.33:1 | Fails | Lc 13.5 | Not readable |
| #563B80 text on white | 9.00:1 | AAA | Lc 90.4 | Preferred for body text |
| #563B80 text on black | 2.33:1 | Fails | Lc -11.9 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F5
oklch(93.5% 0.019 299.1)
-
Step 200
200
#DCD4EF
oklch(88.5% 0.038 299.2)
-
Step 300
300
#C6B8E6
oklch(80.9% 0.066 298.9)
-
Step 400
400
#AA91D9
oklch(70.6% 0.106 299.6)
-
Step 500
500
#9675CF
oklch(63.2% 0.135 299.4)
-
Step 600
600
#815CBC
oklch(55.7% 0.147 299.4)
-
Step 700
700
#6D4BA2
oklch(49.1% 0.136 299.4)
-
Step 800
800 (this color)
#563B80
oklch(41.7% 0.113 299.5)
-
Step 900
900
#493569
oklch(37.7% 0.088 299.9)
-
Step 950
950
#2B203E
oklch(27.2% 0.056 299.6)
#563B80 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) | #224982 | 0.078 |
| Deuteranopia (no green cones) | #29487E | 0.072 |
| Tritanopia (no blue cones) | #4D4857 | 0.088 |
| Achromatopsia (no color) | #494949 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #563B80
#563B80
oklch(41.7% 0.113 299.5)
- #465300
#465300
oklch(41.6% 0.098 119.6)
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 #563B80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.030
- Blueberry #464196 ΔE 0.046
- Rebecca Purple #663399 ΔE 0.053
- Twilight #4E518B ΔE 0.059
- Dusk #4E5481 ΔE 0.069
- Cobalt #1E488F ΔE 0.082
- Dusty Grape #545775 ΔE 0.085
- Dusk Blue #26538D ΔE 0.086
Use #563B80 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.