#575784
Closest named color: Dusk (#4E5481). oklch(47.6% 0.072 283.3), rgb(87, 87, 132).
Aa
White text reads best on this color (6.77:1).
About this color
#575784 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.072 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.017 away. White text reads best on it, at 6.77:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 3.10:1 |
| White text | 6.77:1 |
Values
| HEX | #575784 |
| RGB | rgb(87, 87, 132) |
| HSL | hsl(240, 21%, 43%) |
| OKLCH | oklch(47.6% 0.072 283.3) |
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 #575784 | 6.77:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #575784 | 3.10:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #575784 text on white | 6.77:1 | AA | Lc 83.3 | Fine for body text |
| #575784 text on black | 3.10:1 | AA large text | Lc -18.6 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F1
oklch(93.6% 0.011 286.2)
-
Step 200
200
#D7D8E6
oklch(88.6% 0.019 282.7)
-
Step 300
300
#BDBED7
oklch(80.9% 0.035 283.8)
-
Step 400
400
#9B9DC3
oklch(70.8% 0.055 282.5)
-
Step 500
500
#8384B4
oklch(63.1% 0.072 283.2)
-
Step 600
600
#6D6DA0
oklch(55.6% 0.079 283.5)
-
Step 700
700 (this color)
#575784
oklch(47.6% 0.072 283.3)
-
Step 800
800
#4A4B6F
oklch(42.8% 0.059 282.4)
-
Step 900
900
#3E3E5A
oklch(37.6% 0.048 283.9)
-
Step 950
950
#242535
oklch(27.1% 0.03 281.4)
#575784 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) | #4A5D86 | 0.023 |
| Deuteranopia (no green cones) | #485A83 | 0.023 |
| Tritanopia (no blue cones) | #4B5F67 | 0.063 |
| Achromatopsia (no color) | #5B5B5B | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575784
#575784
oklch(47.6% 0.072 283.3)
- #645E2B
#645E2B
oklch(47.6% 0.071 102.6)
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 #575784, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.017
- Dusty Grape #545775 ΔE 0.026
- Twilight #4E518B ΔE 0.028
- Dusky Blue #475F94 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.041
- Denim #3B638C ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.051
Use #575784 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.