#540FC5
Closest named color: Violet Blue (#510AC9). oklch(42.8% 0.236 287.8), rgb(84, 15, 197).
Aa
White text reads best on this color (9.32:1).
About this color
#540FC5 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.236 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Violet Blue (#510AC9), ΔE 0.010 away. White text reads best on it, at 9.32:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.236) |
| Temperature | cool |
| Nearest name | Violet Blue (#510AC9) |
| Black text | 2.25:1 |
| White text | 9.32:1 |
Values
| HEX | #540FC5 |
| RGB | rgb(84, 15, 197) |
| HSL | hsl(263, 86%, 42%) |
| OKLCH | oklch(42.8% 0.236 287.8) |
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 #540FC5 | 9.32:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #540FC5 | 2.25:1 | Fails | Lc 14.4 | Not readable |
| #540FC5 text on white | 9.32:1 | AAA | Lc 89.6 | Fine for body text |
| #540FC5 text on black | 2.25:1 | Fails | Lc -12.6 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E8E7FF
oklch(93.6% 0.032 287.7)
-
Step 200
200
#D6D4FF
oklch(88.5% 0.059 287.3)
-
Step 300
300
#BDB6FF
oklch(80.8% 0.102 288.3)
-
Step 400
400
#9D8DFF
oklch(70.7% 0.163 287.9)
-
Step 500
500
#886BFF
oklch(63.2% 0.21 287.8)
-
Step 600
600
#763EFF
oklch(55.6% 0.262 287.8)
-
Step 700
700
#6700F2
oklch(49.1% 0.282 287.7)
-
Step 800
800 (this color)
#540FC5
oklch(42.8% 0.236 287.8)
-
Step 900
900
#441E9B
oklch(37.8% 0.184 287.8)
-
Step 950
950
#27155B
oklch(27.1% 0.117 287.7)
#540FC5 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) | #004AC9 | 0.110 |
| Deuteranopia (no green cones) | #0042C2 | 0.103 |
| Tritanopia (no blue cones) | #1B5074 | 0.189 |
| Achromatopsia (no color) | #474747 | 0.238 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #540FC5
#540FC5
oklch(42.8% 0.236 287.8)
- #555200
#555200
oklch(42.8% 0.092 107.3)
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 #540FC5, closest first.
No curated palette has a color within ΔE 0.04 of #540FC5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Blue #510AC9 ΔE 0.010
- Purple Blue #5D21D0 ΔE 0.032
- Chrysanthemum #560BAD ΔE 0.041
- Imperial Purple #480CA8 ΔE 0.053
- Blurple #5539CC ΔE 0.055
- Indigo Blue #3A18B1 ΔE 0.056
- Majorelle Blue #3F37C9 ΔE 0.057
- Blue With A Hint Of Purple #533CC6 ΔE 0.058
Use #540FC5 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.