#53537B
Closest named color: Dusk (#4E5481). oklch(45.9% 0.065 283.6), rgb(83, 83, 123).
Aa
White text reads best on this color (7.26:1).
About this color
#53537B is a medium-dark, muted purple. In OKLCH its lightness is 46%, its chroma 0.065 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.012 away. White text reads best on it, at 7.26:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.89:1 |
| White text | 7.26:1 |
Values
| HEX | #53537B |
| RGB | rgb(83, 83, 123) |
| HSL | hsl(240, 19%, 40%) |
| OKLCH | oklch(45.9% 0.065 283.6) |
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 #53537B | 7.26:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #53537B | 2.89:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #53537B text on white | 7.26:1 | AAA | Lc 85.2 | Fine for body text |
| #53537B text on black | 2.89:1 | Fails | Lc -16.8 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D7D8E5
oklch(88.5% 0.018 282.5)
-
Step 300
300
#BDBED5
oklch(80.8% 0.032 283.7)
-
Step 400
400
#9C9DBF
oklch(70.7% 0.049 283.7)
-
Step 500
500
#8485AF
oklch(63.1% 0.063 283.4)
-
Step 600
600
#6E6E9B
oklch(55.6% 0.069 283.9)
-
Step 700
700 (this color)
#53537B
oklch(45.9% 0.065 283.6)
-
Step 800
800
#4B4B6C
oklch(42.7% 0.054 283.9)
-
Step 900
900
#3E3F57
oklch(37.7% 0.041 282.4)
-
Step 950
950
#252533
oklch(27.1% 0.026 284.5)
#53537B 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) | #47587D | 0.021 |
| Deuteranopia (no green cones) | #46557A | 0.020 |
| Tritanopia (no blue cones) | #495A61 | 0.056 |
| Achromatopsia (no color) | #575757 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53537B
#53537B
oklch(45.9% 0.065 283.6)
- #5E5A2D
#5E5A2D
oklch(46% 0.065 104.1)
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 #53537B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.012
- Dusty Grape #545775 ΔE 0.018
- Twilight #4E518B ΔE 0.029
- YInMn Blue #415A77 ΔE 0.033
- Denim Blue #3B5B92 ΔE 0.047
- Dusky Blue #475F94 ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.049
- Denim #3B638C ΔE 0.053
Use #53537B 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.