#573CAE
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(45.4% 0.172 288.5), rgb(87, 60, 174).
Aa
White text reads best on this color (7.88:1).
About this color
#573CAE is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.172 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.039 away. White text reads best on it, at 7.88:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.172) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 2.66:1 |
| White text | 7.88:1 |
Values
| HEX | #573CAE |
| RGB | rgb(87, 60, 174) |
| HSL | hsl(254, 49%, 46%) |
| OKLCH | oklch(45.4% 0.172 288.5) |
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 #573CAE | 7.88:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #573CAE | 2.66:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #573CAE text on white | 7.88:1 | AAA | Lc 86.9 | Fine for body text |
| #573CAE text on black | 2.66:1 | Fails | Lc -15.2 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E7FD
oklch(93.5% 0.03 287.9)
-
Step 200
200
#D7D4FD
oklch(88.5% 0.056 288.5)
-
Step 300
300
#BDB6FE
oklch(80.8% 0.101 288.4)
-
Step 400
400
#9E8DFE
oklch(70.7% 0.161 288.5)
-
Step 500
500
#896BFC
oklch(63.1% 0.207 288.6)
-
Step 600
600
#754DEB
oklch(55.6% 0.224 288.5)
-
Step 700
700
#633CCC
oklch(49% 0.208 288.7)
-
Step 800
800 (this color)
#573CAE
oklch(45.4% 0.172 288.5)
-
Step 900
900
#422F83
oklch(37.7% 0.135 288.7)
-
Step 950
950
#261D4D
oklch(27.1% 0.085 288)
#573CAE 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) | #0054B2 | 0.092 |
| Deuteranopia (no green cones) | #004EAC | 0.089 |
| Tritanopia (no blue cones) | #39586F | 0.142 |
| Achromatopsia (no color) | #515151 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573CAE
#573CAE
oklch(45.4% 0.172 288.5)
- #5C5A00
#5C5A00
oklch(45.5% 0.098 108.2)
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 #573CAE, 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 0.039
- Bluey Purple #6241C7 ΔE 0.045
- Rebecca Purple #663399 ΔE 0.047
- Blurple #5539CC ΔE 0.048
- Blueberry #464196 ΔE 0.049
- Majorelle Blue #3F37C9 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.062
- Purple Blue #5D21D0 ΔE 0.065
Use #573CAE 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.