#543FAF
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(45.7% 0.17 286.1), rgb(84, 63, 175).
Aa
White text reads best on this color (7.75:1).
About this color
#543FAF is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.170 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.037 away. White text reads best on it, at 7.75:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.170) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 2.70:1 |
| White text | 7.75:1 |
Values
| HEX | #543FAF |
| RGB | rgb(84, 63, 175) |
| HSL | hsl(251, 47%, 47%) |
| OKLCH | oklch(45.7% 0.17 286.1) |
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 #543FAF | 7.75:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #543FAF | 2.70:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #543FAF text on white | 7.75:1 | AAA | Lc 86.5 | Fine for body text |
| #543FAF text on black | 2.70:1 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E8E8FD
oklch(93.7% 0.028 285.8)
-
Step 200
200
#D5D4FD
oklch(88.4% 0.056 286.3)
-
Step 300
300
#BBB7FE
oklch(80.8% 0.1 286.5)
-
Step 400
400
#9A8FFE
oklch(70.8% 0.159 286.1)
-
Step 500
500
#846EFC
oklch(63.1% 0.203 286.1)
-
Step 600
600
#7050EB
oklch(55.6% 0.221 286.2)
-
Step 700
700
#5E3FCC
oklch(49% 0.205 286.2)
-
Step 800
800 (this color)
#543FAF
oklch(45.7% 0.17 286.1)
-
Step 900
900
#3F3183
oklch(37.8% 0.132 286.1)
-
Step 950
950
#241D4D
oklch(26.9% 0.085 285.8)
#543FAF 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) | #0055B3 | 0.085 |
| Deuteranopia (no green cones) | #004FAD | 0.082 |
| Tritanopia (no blue cones) | #315A71 | 0.141 |
| Achromatopsia (no color) | #525252 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543FAF
#543FAF
oklch(45.7% 0.17 286.1)
- #5F5A00
#5F5A00
oklch(45.8% 0.098 105.9)
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 #543FAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue With A Hint Of Purple #533CC6 ΔE 0.037
- Bluey Purple #6241C7 ΔE 0.045
- Blueberry #464196 ΔE 0.046
- Blurple #5539CC ΔE 0.047
- Rebecca Purple #663399 ΔE 0.053
- Majorelle Blue #3F37C9 ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.062
- Purple Blue #5D21D0 ΔE 0.068
Use #543FAF 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.