#563B6A
Closest named color: Dark Slate Blue (#483D8B). oklch(40.3% 0.083 309.6), rgb(86, 59, 106).
Aa
White text reads best on this color (9.41:1).
About this color
#563B6A is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.083 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.060 away. White text reads best on it, at 9.41:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.22:1 |
| White text | 9.41:1 |
Values
| HEX | #563B6A |
| RGB | rgb(86, 59, 106) |
| HSL | hsl(274, 28%, 32%) |
| OKLCH | oklch(40.3% 0.083 309.6) |
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 #563B6A | 9.41:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #563B6A | 2.22:1 | Fails | Lc 12.3 | Not readable |
| #563B6A text on white | 9.41:1 | AAA | Lc 91.6 | Preferred for body text |
| #563B6A text on black | 2.22:1 | Fails | Lc -10.7 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F1
oklch(93.6% 0.015 312.2)
-
Step 200
200
#DED5E7
oklch(88.6% 0.026 308.1)
-
Step 300
300
#CAB9D9
oklch(81% 0.048 309.1)
-
Step 400
400
#AF94C5
oklch(70.8% 0.076 309.5)
-
Step 500
500
#9B78B7
oklch(63% 0.1 309.2)
-
Step 600
600
#8660A2
oklch(55.5% 0.108 309.7)
-
Step 700
700
#724F8B
oklch(49% 0.101 310)
-
Step 800
800 (this color)
#563B6A
oklch(40.3% 0.083 309.6)
-
Step 900
900
#4C385B
oklch(37.8% 0.063 309.8)
-
Step 950
950
#2C2135
oklch(27% 0.039 309.1)
#563B6A 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) | #31456C | 0.063 |
| Deuteranopia (no green cones) | #384769 | 0.058 |
| Tritanopia (no blue cones) | #54424D | 0.059 |
| Achromatopsia (no color) | #464646 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #563B6A
#563B6A
oklch(40.3% 0.083 309.6)
- #3A511D
#3A511D
oklch(40.3% 0.082 129.5)
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 #563B6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.060
- Dusk #4E5481 ΔE 0.072
- Twilight #4E518B ΔE 0.073
- Blueberry #464196 ΔE 0.077
- Dusty Grape #545775 ΔE 0.078
- Purple Brown #673A3F ΔE 0.079
- Dark Grey Blue #29465B ΔE 0.082
- Brownish Purple #76424E ΔE 0.085
Use #563B6A 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.