#56537C
Closest named color: Dusk (#4E5481). oklch(46.3% 0.066 286.9), rgb(86, 83, 124).
Aa
White text reads best on this color (7.18:1).
About this color
#56537C is a medium-dark, muted purple. In OKLCH its lightness is 46%, its chroma 0.066 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.014 away. White text reads best on it, at 7.18:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.92:1 |
| White text | 7.18:1 |
Values
| HEX | #56537C |
| RGB | rgb(86, 83, 124) |
| HSL | hsl(244, 20%, 41%) |
| OKLCH | oklch(46.3% 0.066 286.9) |
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 #56537C | 7.18:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #56537C | 2.92:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #56537C text on white | 7.18:1 | AAA | Lc 84.9 | Fine for body text |
| #56537C text on black | 2.92:1 | 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
#D8D8E5
oklch(88.6% 0.018 286)
-
Step 300
300
#BFBED5
oklch(81% 0.032 287.7)
-
Step 400
400
#9E9CC0
oklch(70.7% 0.052 287.5)
-
Step 500
500
#8684B0
oklch(63.1% 0.066 286.4)
-
Step 600
600
#706D9B
oklch(55.6% 0.071 286.8)
-
Step 700
700 (this color)
#56537C
oklch(46.3% 0.066 286.9)
-
Step 800
800
#4D4A6C
oklch(42.6% 0.056 287.8)
-
Step 900
900
#403E57
oklch(37.7% 0.042 287.8)
-
Step 950
950
#252533
oklch(27.1% 0.026 284.5)
#56537C 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) | #48587E | 0.023 |
| Deuteranopia (no green cones) | #47567B | 0.023 |
| Tritanopia (no blue cones) | #4D5A62 | 0.056 |
| Achromatopsia (no color) | #575757 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56537C
#56537C
oklch(46.3% 0.066 286.9)
- #5D5B2D
#5D5B2D
oklch(46.2% 0.066 106.5)
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 #56537C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.014
- Dusty Grape #545775 ΔE 0.019
- Twilight #4E518B ΔE 0.029
- YInMn Blue #415A77 ΔE 0.037
- Dusky Blue #475F94 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.053
- Denim #3B638C ΔE 0.055
Use #56537C 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.