#563F89
Closest named color: Dark Slate Blue (#483D8B). oklch(43% 0.119 295.3), rgb(86, 63, 137).
Aa
White text reads best on this color (8.50:1).
About this color
#563F89 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.119 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.026 away. White text reads best on it, at 8.50:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.46:1 |
| White text | 8.50:1 |
Values
| HEX | #563F89 |
| RGB | rgb(86, 63, 137) |
| HSL | hsl(259, 37%, 39%) |
| OKLCH | oklch(43% 0.119 295.3) |
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 #563F89 | 8.50:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #563F89 | 2.46:1 | Fails | Lc 14.9 | Not readable |
| #563F89 text on white | 8.50:1 | AAA | Lc 89.1 | Fine for body text |
| #563F89 text on black | 2.46:1 | Fails | Lc -13.2 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE7F6
oklch(93.5% 0.02 295.2)
-
Step 200
200
#DAD5F1
oklch(88.6% 0.038 293.8)
-
Step 300
300
#C3B8E9
oklch(80.8% 0.069 295.1)
-
Step 400
400
#A692DE
oklch(70.7% 0.111 295.5)
-
Step 500
500
#9175D5
oklch(63% 0.142 295.5)
-
Step 600
600
#7C5CC2
oklch(55.6% 0.154 295.4)
-
Step 700
700
#694BA8
oklch(49.1% 0.144 295.5)
-
Step 800
800 (this color)
#563F89
oklch(43% 0.119 295.3)
-
Step 900
900
#46366D
oklch(37.8% 0.092 295)
-
Step 950
950
#292040
oklch(27.1% 0.059 295.2)
#563F89 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) | #214D8C | 0.075 |
| Deuteranopia (no green cones) | #274C87 | 0.071 |
| Tritanopia (no blue cones) | #4A4E5E | 0.094 |
| Achromatopsia (no color) | #4D4D4D | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #563F89
#563F89
oklch(43% 0.119 295.3)
- #4E5600
#4E5600
oklch(43.1% 0.098 115.8)
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 #563F89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.026
- Blueberry #464196 ΔE 0.034
- Rebecca Purple #663399 ΔE 0.047
- Twilight #4E518B ΔE 0.048
- Dusk #4E5481 ΔE 0.062
- Cobalt #1E488F ΔE 0.076
- Dusk Blue #26538D ΔE 0.078
- Denim Blue #3B5B92 ΔE 0.080
Use #563F89 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.