#543FA0
Closest named color: Blueberry (#464196). oklch(44.5% 0.15 288.7), rgb(84, 63, 160).
Aa
White text reads best on this color (8.09:1).
About this color
#543FA0 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.150 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.028 away. White text reads best on it, at 8.09:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.59:1 |
| White text | 8.09:1 |
Values
| HEX | #543FA0 |
| RGB | rgb(84, 63, 160) |
| HSL | hsl(253, 43%, 44%) |
| OKLCH | oklch(44.5% 0.15 288.7) |
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 #543FA0 | 8.09:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #543FA0 | 2.59:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #543FA0 text on white | 8.09:1 | AAA | Lc 87.6 | Fine for body text |
| #543FA0 text on black | 2.59:1 | Fails | Lc -14.5 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E8FA
oklch(93.7% 0.024 288.5)
-
Step 200
200
#D7D5F8
oklch(88.6% 0.048 288)
-
Step 300
300
#BEB8F6
oklch(80.9% 0.087 288.7)
-
Step 400
400
#9E90F2
oklch(70.6% 0.141 288.8)
-
Step 500
500
#8871ED
oklch(63% 0.18 288.7)
-
Step 600
600
#7456DC
oklch(55.7% 0.195 288.7)
-
Step 700
700
#6245BF
oklch(49.2% 0.182 288.8)
-
Step 800
800 (this color)
#543FA0
oklch(44.5% 0.15 288.7)
-
Step 900
900
#41337B
oklch(37.7% 0.117 288.4)
-
Step 950
950
#261F48
oklch(27.1% 0.074 288.3)
#543FA0 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) | #0052A3 | 0.086 |
| Deuteranopia (no green cones) | #004D9E | 0.085 |
| Tritanopia (no blue cones) | #3C5569 | 0.123 |
| Achromatopsia (no color) | #505050 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543FA0
#543FA0
oklch(44.5% 0.15 288.7)
- #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 #543FA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.028
- Dark Slate Blue #483D8B ΔE 0.040
- Rebecca Purple #663399 ΔE 0.041
- Blue With A Hint Of Purple #533CC6 ΔE 0.061
- Twilight #4E518B ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.066
- Blurple #5539CC ΔE 0.071
- Majorelle Blue #3F37C9 ΔE 0.077
Use #543FA0 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.