#543569
Closest named color: Dark Slate Blue (#483D8B). oklch(38.9% 0.092 310.3), rgb(84, 53, 105).
Aa
White text reads best on this color (10.04:1).
About this color
#543569 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.092 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 0.061 away. White text reads best on it, at 10.04:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.09:1 |
| White text | 10.04:1 |
Values
| HEX | #543569 |
| RGB | rgb(84, 53, 105) |
| HSL | hsl(276, 33%, 31%) |
| OKLCH | oklch(38.9% 0.092 310.3) |
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 #543569 | 10.04:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #543569 | 2.09:1 | Fails | Lc 10.8 | Not readable |
| #543569 text on white | 10.04:1 | AAA | Lc 93.1 | Preferred for body text |
| #543569 text on black | 2.09:1 | Fails | Lc -9.3 | 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 900.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE6F4
oklch(93.5% 0.021 311.1)
-
Step 200
200
#E1D3EC
oklch(88.6% 0.037 310.5)
-
Step 300
300
#CEB5E2
oklch(80.9% 0.068 309.9)
-
Step 400
400
#B68DD4
oklch(70.8% 0.11 310.2)
-
Step 500
500
#A46FC8
oklch(63.2% 0.14 310.4)
-
Step 600
600
#8F55B5
oklch(55.7% 0.153 310.2)
-
Step 700
700
#7A459C
oklch(49.3% 0.142 310.3)
-
Step 800
800
#63397E
oklch(42.7% 0.118 310.5)
-
Step 900
900 (this color)
#543569
oklch(38.9% 0.092 310.3)
-
Step 950
950
#2F1E3B
oklch(27.1% 0.056 310.1)
#543569 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) | #29416B | 0.073 |
| Deuteranopia (no green cones) | #314368 | 0.067 |
| Tritanopia (no blue cones) | #513D4A | 0.064 |
| Achromatopsia (no color) | #424242 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543569
#543569
oklch(38.9% 0.092 310.3)
- #344E11
#344E11
oklch(38.9% 0.092 130)
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 #543569, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.061
- Grape Purple #5D1451 ΔE 0.076
- Blueberry #464196 ΔE 0.080
- Twilight #4E518B ΔE 0.086
- Purple Brown #673A3F ΔE 0.086
- Rebecca Purple #663399 ΔE 0.087
- Dusk #4E5481 ΔE 0.087
- Dark Grey Blue #29465B ΔE 0.088
Use #543569 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.