#563F99
Closest named color: Blueberry (#464196). oklch(44.1% 0.141 291.3), rgb(86, 63, 153).
Aa
White text reads best on this color (8.18:1).
About this color
#563F99 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.141 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.027 away. White text reads best on it, at 8.18:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Blueberry (#464196) |
| Black text | 2.56:1 |
| White text | 8.18:1 |
Values
| HEX | #563F99 |
| RGB | rgb(86, 63, 153) |
| HSL | hsl(255, 42%, 42%) |
| OKLCH | oklch(44.1% 0.141 291.3) |
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 #563F99 | 8.18:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #563F99 | 2.56:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #563F99 text on white | 8.18:1 | AAA | Lc 88.0 | Fine for body text |
| #563F99 text on black | 2.56:1 | Fails | Lc -14.2 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7F9
oklch(93.5% 0.024 291)
-
Step 200
200
#D9D4F6
oklch(88.5% 0.047 292.2)
-
Step 300
300
#C0B8F2
oklch(80.9% 0.081 290.8)
-
Step 400
400
#A291EC
oklch(70.8% 0.131 291.3)
-
Step 500
500
#8C72E6
oklch(63.1% 0.169 291.1)
-
Step 600
600
#7857D4
oklch(55.6% 0.184 291.4)
-
Step 700
700
#6546B7
oklch(49% 0.17 291.5)
-
Step 800
800 (this color)
#563F99
oklch(44.1% 0.141 291.3)
-
Step 900
900
#443376
oklch(37.6% 0.11 291.9)
-
Step 950
950
#271F45
oklch(27% 0.069 290.8)
#563F99 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) | #04519C | 0.089 |
| Deuteranopia (no green cones) | #0E4D97 | 0.085 |
| Tritanopia (no blue cones) | #435366 | 0.114 |
| Achromatopsia (no color) | #4F4F4F | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #563F99
#563F99
oklch(44.1% 0.141 291.3)
- #555700
#555700
oklch(44% 0.097 111.3)
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 #563F99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.027
- Dark Slate Blue #483D8B ΔE 0.034
- Rebecca Purple #663399 ΔE 0.037
- Twilight #4E518B ΔE 0.056
- Blue With A Hint Of Purple #533CC6 ΔE 0.073
- Dusk #4E5481 ΔE 0.074
- Bluey Purple #6241C7 ΔE 0.076
- Cobalt #1E488F ΔE 0.078
Use #563F99 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.