#543565
Closest named color: Dark Slate Blue (#483D8B). oklch(38.7% 0.087 312.7), rgb(84, 53, 101).
Aa
White text reads best on this color (10.12:1).
About this color
#543565 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.087 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.067 away. White text reads best on it, at 10.12:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.07:1 |
| White text | 10.12:1 |
Values
| HEX | #543565 |
| RGB | rgb(84, 53, 101) |
| HSL | hsl(279, 31%, 30%) |
| OKLCH | oklch(38.7% 0.087 312.7) |
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 #543565 | 10.12:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #543565 | 2.07:1 | Fails | Lc 10.6 | Not readable |
| #543565 text on white | 10.12:1 | AAA | Lc 93.3 | Preferred for body text |
| #543565 text on black | 2.07:1 | Fails | Lc -9.2 | 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 900.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE6F3
oklch(93.5% 0.019 312.8)
-
Step 200
200
#E1D3EB
oklch(88.5% 0.036 311.4)
-
Step 300
300
#CFB5DF
oklch(80.9% 0.065 312.5)
-
Step 400
400
#B78DCF
oklch(70.6% 0.104 312.8)
-
Step 500
500
#A570C2
oklch(63.2% 0.132 312.8)
-
Step 600
600
#9056AF
oklch(55.6% 0.145 312.7)
-
Step 700
700
#7A4696
oklch(49% 0.134 312.5)
-
Step 800
800
#643A7A
oklch(42.8% 0.111 312.9)
-
Step 900
900 (this color)
#543565
oklch(38.7% 0.087 312.7)
-
Step 950
950
#301E39
oklch(27.1% 0.054 313.8)
#543565 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) | #2B4067 | 0.071 |
| Deuteranopia (no green cones) | #334264 | 0.064 |
| Tritanopia (no blue cones) | #523C48 | 0.059 |
| Achromatopsia (no color) | #424242 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543565
#543565
oklch(38.7% 0.087 312.7)
- #314E18
#314E18
oklch(38.8% 0.088 133)
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 #543565, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.067
- Grape Purple #5D1451 ΔE 0.074
- Purple Brown #673A3F ΔE 0.080
- Dark Grey Blue #29465B ΔE 0.085
- Blueberry #464196 ΔE 0.086
- Dusk #4E5481 ΔE 0.089
- Twilight #4E518B ΔE 0.089
- Charcoal Grey #3C4142 ΔE 0.090
Use #543565 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.