#56537B
Closest named color: Dusk (#4E5481). oklch(46.2% 0.064 287), rgb(86, 83, 123).
Aa
White text reads best on this color (7.19:1).
About this color
#56537B is a medium-dark, muted purple. In OKLCH its lightness is 46%, its chroma 0.064 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.015 away. White text reads best on it, at 7.19:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #56537B |
| RGB | rgb(86, 83, 123) |
| HSL | hsl(245, 19%, 40%) |
| OKLCH | oklch(46.2% 0.064 287) |
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 #56537B | 7.19:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #56537B | 2.91:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #56537B text on white | 7.19:1 | AAA | Lc 84.9 | Fine for body text |
| #56537B text on black | 2.91:1 | Fails | Lc -17.1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D8D8E4
oklch(88.6% 0.016 286.1)
-
Step 300
300
#BFBED4
oklch(80.9% 0.031 287.8)
-
Step 400
400
#9E9CBF
oklch(70.6% 0.051 287.6)
-
Step 500
500
#8684AF
oklch(63.1% 0.064 286.5)
-
Step 600
600
#706D9A
oklch(55.5% 0.069 287)
-
Step 700
700 (this color)
#56537B
oklch(46.2% 0.064 287)
-
Step 800
800
#4D4B6B
oklch(42.8% 0.053 286.8)
-
Step 900
900
#403E57
oklch(37.7% 0.042 287.8)
-
Step 950
950
#252533
oklch(27.1% 0.026 284.5)
#56537B 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) | #48587D | 0.023 |
| Deuteranopia (no green cones) | #47567A | 0.023 |
| Tritanopia (no blue cones) | #4D5A61 | 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°).
- #56537B
#56537B
oklch(46.2% 0.064 287)
- #5D5B2F
#5D5B2F
oklch(46.2% 0.064 106.3)
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 #56537B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.015
- Dusty Grape #545775 ΔE 0.018
- Twilight #4E518B ΔE 0.031
- YInMn Blue #415A77 ΔE 0.037
- Dusky Blue #475F94 ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.053
- Denim #3B638C ΔE 0.055
Use #56537B 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.