#5540A4
Closest named color: Blueberry (#464196). oklch(45% 0.154 288.3), rgb(85, 64, 164).
Aa
White text reads best on this color (7.90:1).
About this color
#5540A4 is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.154 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.034 away. White text reads best on it, at 7.90:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.65:1 |
| White text | 7.90:1 |
Values
| HEX | #5540A4 |
| RGB | rgb(85, 64, 164) |
| HSL | hsl(253, 44%, 45%) |
| OKLCH | oklch(45% 0.154 288.3) |
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 #5540A4 | 7.90:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #5540A4 | 2.65:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #5540A4 text on white | 7.90:1 | AAA | Lc 87.1 | Fine for body text |
| #5540A4 text on black | 2.65:1 | Fails | Lc -15.1 | 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 800.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D7D5F9
oklch(88.6% 0.049 287.9)
-
Step 300
300
#BDB8F8
oklch(80.9% 0.09 287.8)
-
Step 400
400
#9D90F4
oklch(70.6% 0.144 288.1)
-
Step 500
500
#8871F0
oklch(63.2% 0.183 288.3)
-
Step 600
600
#7355DF
oklch(55.6% 0.2 288.1)
-
Step 700
700
#6144C1
oklch(49.1% 0.186 288.3)
-
Step 800
800 (this color)
#5540A4
oklch(45% 0.154 288.3)
-
Step 900
900
#41327C
oklch(37.6% 0.12 288.6)
-
Step 950
950
#261E49
oklch(27% 0.077 288.7)
#5540A4 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) | #0053A7 | 0.086 |
| Deuteranopia (no green cones) | #004FA2 | 0.085 |
| Tritanopia (no blue cones) | #3B576C | 0.126 |
| Achromatopsia (no color) | #515151 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5540A4
#5540A4
oklch(45% 0.154 288.3)
- #5B5900
#5B5900
oklch(45.1% 0.097 108.2)
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 #5540A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.034
- Rebecca Purple #663399 ΔE 0.043
- Dark Slate Blue #483D8B ΔE 0.047
- Blue With A Hint Of Purple #533CC6 ΔE 0.055
- Bluey Purple #6241C7 ΔE 0.060
- Twilight #4E518B ΔE 0.064
- Blurple #5539CC ΔE 0.065
- Majorelle Blue #3F37C9 ΔE 0.073
Use #5540A4 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.