#543CDC
Closest named color: Purpley Blue (#5F34E7). oklch(49.2% 0.229 280.7), rgb(84, 60, 220).
Aa
White text reads best on this color (6.87:1).
About this color
#543CDC is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.229 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Purpley Blue (#5F34E7), ΔE 0.025 away. White text reads best on it, at 6.87:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.229) |
| Temperature | cool |
| Nearest name | Purpley Blue (#5F34E7) |
| Black text | 3.05:1 |
| White text | 6.87:1 |
Values
| HEX | #543CDC |
| RGB | rgb(84, 60, 220) |
| HSL | hsl(249, 70%, 55%) |
| OKLCH | oklch(49.2% 0.229 280.7) |
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 #543CDC | 6.87:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #543CDC | 3.05:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #543CDC text on white | 6.87:1 | AA | Lc 82.8 | Fine for body text |
| #543CDC text on black | 3.05:1 | AA large text | Lc -19.1 | 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 700.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FF
oklch(93.6% 0.031 279.9)
-
Step 200
200
#D2D6FF
oklch(88.6% 0.057 280.8)
-
Step 300
300
#B5BAFF
oklch(81% 0.097 280.8)
-
Step 400
400
#9092FF
oklch(70.6% 0.157 280.8)
-
Step 500
500
#7872FF
oklch(63.1% 0.203 280.8)
-
Step 600
600
#644DFC
oklch(55.6% 0.246 280.8)
-
Step 700
700 (this color)
#543CDC
oklch(49.2% 0.229 280.7)
-
Step 800
800
#4433B1
oklch(42.6% 0.189 280.9)
-
Step 900
900
#38308C
oklch(37.8% 0.147 280.6)
-
Step 950
950
#201D52
oklch(27% 0.094 280.6)
#543CDC 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) | #0060E1 | 0.089 |
| Deuteranopia (no green cones) | #0054D9 | 0.077 |
| Tritanopia (no blue cones) | #006989 | 0.188 |
| Achromatopsia (no color) | #5A5A5A | 0.230 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543CDC
#543CDC
oklch(49.2% 0.229 280.7)
- #6E6200
#6E6200
oklch(49.2% 0.103 101)
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 #543CDC, closest first.
No curated palette has a color within ΔE 0.04 of #543CDC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Blue #5F34E7 ΔE 0.025
- Blurple #5539CC ΔE 0.026
- Blue With A Hint Of Purple #533CC6 ΔE 0.035
- Burple #6832E3 ΔE 0.036
- Bluey Purple #6241C7 ΔE 0.042
- Purple Blue #5D21D0 ΔE 0.046
- Majorelle Blue #3F37C9 ΔE 0.047
- Purply Blue #661AEE ΔE 0.051
Use #543CDC 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.