#563C6B
Closest named color: Dark Slate Blue (#483D8B). oklch(40.6% 0.082 308.6), rgb(86, 60, 107).
Aa
White text reads best on this color (9.31:1).
About this color
#563C6B is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.082 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.059 away. White text reads best on it, at 9.31:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.25:1 |
| White text | 9.31:1 |
Values
| HEX | #563C6B |
| RGB | rgb(86, 60, 107) |
| HSL | hsl(273, 28%, 33%) |
| OKLCH | oklch(40.6% 0.082 308.6) |
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 #563C6B | 9.31:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #563C6B | 2.25:1 | Fails | Lc 12.6 | Not readable |
| #563C6B text on white | 9.31:1 | AAA | Lc 91.4 | Preferred for body text |
| #563C6B text on black | 2.25:1 | Fails | Lc -11.0 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#ECE7F1
oklch(93.5% 0.014 308.3)
-
Step 200
200
#DED5E7
oklch(88.6% 0.026 308.1)
-
Step 300
300
#C9B9D9
oklch(80.9% 0.048 307.8)
-
Step 400
400
#AE94C6
oklch(70.7% 0.077 308.1)
-
Step 500
500
#9A79B7
oklch(63.1% 0.098 308.2)
-
Step 600
600
#8561A3
oklch(55.6% 0.107 308.4)
-
Step 700
700
#71508B
oklch(49.1% 0.099 308.9)
-
Step 800
800 (this color)
#563C6B
oklch(40.6% 0.082 308.6)
-
Step 900
900
#4B385C
oklch(37.7% 0.064 307.8)
-
Step 950
950
#2C2136
oklch(27% 0.041 307.8)
#563C6B 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) | #32466D | 0.061 |
| Deuteranopia (no green cones) | #38476A | 0.056 |
| Tritanopia (no blue cones) | #53434E | 0.059 |
| Achromatopsia (no color) | #474747 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #563C6B
#563C6B
oklch(40.6% 0.082 308.6)
- #3C521D
#3C521D
oklch(40.8% 0.083 128.5)
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 #563C6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.059
- Dusk #4E5481 ΔE 0.069
- Twilight #4E518B ΔE 0.070
- Blueberry #464196 ΔE 0.075
- Dusty Grape #545775 ΔE 0.076
- Purple Brown #673A3F ΔE 0.079
- Dark Grey Blue #29465B ΔE 0.082
- Brownish Purple #76424E ΔE 0.084
Use #563C6B 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.