#543BA5
Closest named color: Blueberry (#464196). oklch(44.2% 0.162 288.8), rgb(84, 59, 165).
Aa
White text reads best on this color (8.24:1).
About this color
#543BA5 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.162 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.036 away. White text reads best on it, at 8.24:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.54:1 |
| White text | 8.24:1 |
Values
| HEX | #543BA5 |
| RGB | rgb(84, 59, 165) |
| HSL | hsl(254, 47%, 44%) |
| OKLCH | oklch(44.2% 0.162 288.8) |
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 #543BA5 | 8.24:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #543BA5 | 2.54:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #543BA5 text on white | 8.24:1 | AAA | Lc 88.0 | Fine for body text |
| #543BA5 text on black | 2.54:1 | Fails | Lc -14.1 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FC
oklch(93.6% 0.028 290.2)
-
Step 200
200
#D7D4FB
oklch(88.5% 0.053 288.8)
-
Step 300
300
#BEB7FB
oklch(80.9% 0.095 288.8)
-
Step 400
400
#9E8EF8
oklch(70.6% 0.152 288.8)
-
Step 500
500
#896EF5
oklch(63.1% 0.194 288.8)
-
Step 600
600
#7551E4
oklch(55.6% 0.211 288.9)
-
Step 700
700
#6340C6
oklch(49.1% 0.197 289.1)
-
Step 800
800 (this color)
#543BA5
oklch(44.2% 0.162 288.8)
-
Step 900
900
#42317F
oklch(37.8% 0.126 288.9)
-
Step 950
950
#261D4A
oklch(26.9% 0.08 289)
#543BA5 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) | #0051A8 | 0.089 |
| Deuteranopia (no green cones) | #004CA3 | 0.087 |
| Tritanopia (no blue cones) | #39546A | 0.133 |
| Achromatopsia (no color) | #4F4F4F | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543BA5
#543BA5
oklch(44.2% 0.162 288.8)
- #585700
#585700
oklch(44.3% 0.096 109)
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 #543BA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.036
- Rebecca Purple #663399 ΔE 0.041
- Dark Slate Blue #483D8B ΔE 0.047
- Blue With A Hint Of Purple #533CC6 ΔE 0.053
- Bluey Purple #6241C7 ΔE 0.061
- Blurple #5539CC ΔE 0.062
- Chrysanthemum #560BAD ΔE 0.068
- Majorelle Blue #3F37C9 ΔE 0.068
Use #543BA5 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.