#563F77
Closest named color: Dark Slate Blue (#483D8B). oklch(41.9% 0.093 301.4), rgb(86, 63, 119).
Aa
White text reads best on this color (8.84:1).
About this color
#563F77 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.093 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.043 away. White text reads best on it, at 8.84:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.37:1 |
| White text | 8.84:1 |
Values
| HEX | #563F77 |
| RGB | rgb(86, 63, 119) |
| HSL | hsl(265, 31%, 36%) |
| OKLCH | oklch(41.9% 0.093 301.4) |
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 #563F77 | 8.84:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #563F77 | 2.37:1 | Fails | Lc 13.9 | Not readable |
| #563F77 text on white | 8.84:1 | AAA | Lc 90.1 | Preferred for body text |
| #563F77 text on black | 2.37:1 | Fails | Lc -12.2 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F3
oklch(93.7% 0.015 298.6)
-
Step 200
200
#DCD5EA
oklch(88.5% 0.029 301)
-
Step 300
300
#C6B9DF
oklch(80.9% 0.055 300.8)
-
Step 400
400
#AA94CF
oklch(70.7% 0.088 301.3)
-
Step 500
500
#9679C2
oklch(63.2% 0.111 301.6)
-
Step 600
600
#8060AE
oklch(55.5% 0.121 301.5)
-
Step 700
700
#6C4F96
oklch(49% 0.114 301.2)
-
Step 800
800 (this color)
#563F77
oklch(41.9% 0.093 301.4)
-
Step 900
900
#493862
oklch(37.8% 0.072 301.7)
-
Step 950
950
#2A2139
oklch(27% 0.045 300.7)
#563F77 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) | #2F4A79 | 0.063 |
| Deuteranopia (no green cones) | #344A76 | 0.058 |
| Tritanopia (no blue cones) | #504955 | 0.072 |
| Achromatopsia (no color) | #4A4A4A | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #563F77
#563F77
oklch(41.9% 0.093 301.4)
- #45540D
#45540D
oklch(41.9% 0.093 121.4)
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 #563F77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.043
- Twilight #4E518B ΔE 0.054
- Blueberry #464196 ΔE 0.057
- Dusk #4E5481 ΔE 0.058
- Dusty Grape #545775 ΔE 0.070
- Rebecca Purple #663399 ΔE 0.070
- YInMn Blue #415A77 ΔE 0.082
- Dusk Blue #26538D ΔE 0.082
Use #563F77 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.