#543768
Closest named color: Dark Slate Blue (#483D8B). oklch(39.2% 0.087 310.2), rgb(84, 55, 104).
Aa
White text reads best on this color (9.89:1).
About this color
#543768 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.087 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 0.062 away. White text reads best on it, at 9.89:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.12:1 |
| White text | 9.89:1 |
Values
| HEX | #543768 |
| RGB | rgb(84, 55, 104) |
| HSL | hsl(276, 31%, 31%) |
| OKLCH | oklch(39.2% 0.087 310.2) |
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 #543768 | 9.89:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #543768 | 2.12:1 | Fails | Lc 11.1 | Not readable |
| #543768 text on white | 9.89:1 | AAA | Lc 92.8 | Preferred for body text |
| #543768 text on black | 2.12:1 | Fails | Lc -9.7 | 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 900.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE7F4
oklch(93.7% 0.019 309.8)
-
Step 200
200
#E0D3EB
oklch(88.5% 0.035 309.7)
-
Step 300
300
#CEB5E1
oklch(80.9% 0.067 310.4)
-
Step 400
400
#B58ED1
oklch(70.7% 0.104 310.5)
-
Step 500
500
#A271C5
oklch(63.2% 0.132 309.9)
-
Step 600
600
#8D57B1
oklch(55.5% 0.144 310.2)
-
Step 700
700
#784799
oklch(49.1% 0.135 309.9)
-
Step 800
800
#623B7C
oklch(42.8% 0.111 310.2)
-
Step 900
900 (this color)
#543768
oklch(39.2% 0.087 310.2)
-
Step 950
950
#2F1E3A
oklch(27% 0.055 311.1)
#543768 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) | #2C426A | 0.068 |
| Deuteranopia (no green cones) | #344467 | 0.062 |
| Tritanopia (no blue cones) | #523F4A | 0.063 |
| Achromatopsia (no color) | #434343 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543768
#543768
oklch(39.2% 0.087 310.2)
- #364F17
#364F17
oklch(39.4% 0.087 130.1)
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 #543768, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.062
- Grape Purple #5D1451 ΔE 0.080
- Blueberry #464196 ΔE 0.080
- Purple Brown #673A3F ΔE 0.082
- Twilight #4E518B ΔE 0.083
- Dusk #4E5481 ΔE 0.083
- Dark Grey Blue #29465B ΔE 0.084
- Rebecca Purple #663399 ΔE 0.089
Use #543768 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.