#5543A3
Closest named color: Blueberry (#464196). oklch(45.5% 0.149 287.6), rgb(85, 67, 163).
Aa
White text reads best on this color (7.72:1).
About this color
#5543A3 is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.149 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.033 away. White text reads best on it, at 7.72:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.71:1 |
| White text | 7.72:1 |
Values
| HEX | #5543A3 |
| RGB | rgb(85, 67, 163) |
| HSL | hsl(251, 42%, 45%) |
| OKLCH | oklch(45.5% 0.149 287.6) |
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 #5543A3 | 7.72:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #5543A3 | 2.71:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #5543A3 text on white | 7.72:1 | AAA | Lc 86.5 | Fine for body text |
| #5543A3 text on black | 2.71:1 | Fails | Lc -15.6 | Dividers and decoration only |
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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D7D5F8
oklch(88.6% 0.048 288)
-
Step 300
300
#BDB8F6
oklch(80.8% 0.087 288)
-
Step 400
400
#9C91F2
oklch(70.6% 0.139 287.5)
-
Step 500
500
#8673ED
oklch(63.2% 0.177 287.4)
-
Step 600
600
#7257DB
oklch(55.6% 0.193 287.8)
-
Step 700
700
#6046BE
oklch(49.1% 0.179 287.9)
-
Step 800
800 (this color)
#5543A3
oklch(45.5% 0.149 287.6)
-
Step 900
900
#40347A
oklch(37.7% 0.115 287.5)
-
Step 950
950
#251F48
oklch(27% 0.074 287.1)
#5543A3 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) | #0055A6 | 0.084 |
| Deuteranopia (no green cones) | #0050A1 | 0.083 |
| Tritanopia (no blue cones) | #3B596C | 0.124 |
| Achromatopsia (no color) | #535353 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5543A3
#5543A3
oklch(45.5% 0.149 287.6)
- #5D5A00
#5D5A00
oklch(45.6% 0.098 107.5)
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 #5543A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.033
- Rebecca Purple #663399 ΔE 0.046
- Dark Slate Blue #483D8B ΔE 0.047
- Twilight #4E518B ΔE 0.058
- Blue With A Hint Of Purple #533CC6 ΔE 0.058
- Bluey Purple #6241C7 ΔE 0.061
- Blurple #5539CC ΔE 0.068
- Iris #6258C4 ΔE 0.074
Use #5543A3 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.