#563F6D
Closest named color: Dark Slate Blue (#483D8B). oklch(41.3% 0.079 306.2), rgb(86, 63, 109).
Aa
White text reads best on this color (9.02:1).
About this color
#563F6D is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.079 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.057 away. White text reads best on it, at 9.02:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #563F6D |
| RGB | rgb(86, 63, 109) |
| HSL | hsl(270, 27%, 34%) |
| OKLCH | oklch(41.3% 0.079 306.2) |
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 #563F6D | 9.02:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #563F6D | 2.32:1 | Fails | Lc 13.3 | Not readable |
| #563F6D text on white | 9.02:1 | AAA | Lc 90.6 | Preferred for body text |
| #563F6D text on black | 2.32:1 | Fails | Lc -11.7 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DDD5E7
oklch(88.5% 0.026 305.8)
-
Step 300
300
#C8B9D9
oklch(80.8% 0.047 306.5)
-
Step 400
400
#AC95C6
oklch(70.7% 0.075 305.9)
-
Step 500
500
#987AB7
oklch(63.1% 0.095 306.4)
-
Step 600
600
#8262A3
oklch(55.5% 0.104 305.9)
-
Step 700
700
#6E518B
oklch(49% 0.096 306.2)
-
Step 800
800 (this color)
#563F6D
oklch(41.3% 0.079 306.2)
-
Step 900
900
#4A395B
oklch(37.8% 0.06 306.6)
-
Step 950
950
#2B2136
oklch(26.9% 0.04 305.7)
#563F6D 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) | #35486F | 0.055 |
| Deuteranopia (no green cones) | #3A496C | 0.051 |
| Tritanopia (no blue cones) | #534651 | 0.058 |
| Achromatopsia (no color) | #494949 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #563F6D
#563F6D
oklch(41.3% 0.079 306.2)
- #40531F
#40531F
oklch(41.4% 0.08 126.5)
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 #563F6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.057
- Dusk #4E5481 ΔE 0.061
- Twilight #4E518B ΔE 0.063
- Dusty Grape #545775 ΔE 0.068
- Blueberry #464196 ΔE 0.073
- YInMn Blue #415A77 ΔE 0.080
- Purple Brown #673A3F ΔE 0.080
- Dark Grey Blue #29465B ΔE 0.080
Use #563F6D 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.