#543BA7
Closest named color: Blueberry (#464196). oklch(44.4% 0.165 288.4), rgb(84, 59, 167).
Aa
White text reads best on this color (8.20:1).
About this color
#543BA7 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.165 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.038 away. White text reads best on it, at 8.20:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.56:1 |
| White text | 8.20:1 |
Values
| HEX | #543BA7 |
| RGB | rgb(84, 59, 167) |
| HSL | hsl(254, 48%, 44%) |
| OKLCH | oklch(44.4% 0.165 288.4) |
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 #543BA7 | 8.20:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #543BA7 | 2.56:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #543BA7 text on white | 8.20:1 | AAA | Lc 87.9 | Fine for body text |
| #543BA7 text on black | 2.56:1 | Fails | Lc -14.3 | 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 800.
-
Step 50
50
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E7FC
oklch(93.5% 0.028 288)
-
Step 200
200
#D7D4FB
oklch(88.5% 0.053 288.8)
-
Step 300
300
#BEB7FC
oklch(81% 0.097 288.7)
-
Step 400
400
#9E8EFA
oklch(70.7% 0.155 288.6)
-
Step 500
500
#886EF7
oklch(63.1% 0.196 288.2)
-
Step 600
600
#7450E6
oklch(55.5% 0.215 288.4)
-
Step 700
700
#6240C8
oklch(49.2% 0.199 288.3)
-
Step 800
800 (this color)
#543BA7
oklch(44.4% 0.165 288.4)
-
Step 900
900
#413080
oklch(37.6% 0.129 288.4)
-
Step 950
950
#261D4B
oklch(26.9% 0.082 288.7)
#543BA7 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) | #0051AA | 0.089 |
| Deuteranopia (no green cones) | #004CA5 | 0.087 |
| Tritanopia (no blue cones) | #37556B | 0.136 |
| Achromatopsia (no color) | #4F4F4F | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543BA7
#543BA7
oklch(44.4% 0.165 288.4)
- #595700
#595700
oklch(44.4% 0.096 108.2)
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 #543BA7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.038
- Rebecca Purple #663399 ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.050
- Bluey Purple #6241C7 ΔE 0.058
- Blurple #5539CC ΔE 0.059
- Majorelle Blue #3F37C9 ΔE 0.066
- Chrysanthemum #560BAD ΔE 0.067
Use #543BA7 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.