#57556D
Closest named color: Dusty Grape (#545775). oklch(46.1% 0.039 288.6), rgb(87, 85, 109).
Aa
White text reads best on this color (7.17:1).
About this color
#57556D is a medium-dark, muted purple. In OKLCH its lightness is 46%, its chroma 0.039 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.013 away. White text reads best on it, at 7.17:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.92:1 |
| White text | 7.17:1 |
Values
| HEX | #57556D |
| RGB | rgb(87, 85, 109) |
| HSL | hsl(245, 12%, 38%) |
| OKLCH | oklch(46.1% 0.039 288.6) |
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 #57556D | 7.17:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #57556D | 2.92:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #57556D text on white | 7.17:1 | AAA | Lc 84.9 | Fine for body text |
| #57556D 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9ED
oklch(93.5% 0.005 286.3)
-
Step 200
200
#D8D8E0
oklch(88.5% 0.011 286.2)
-
Step 300
300
#C0BFCC
oklch(80.9% 0.018 289.5)
-
Step 400
400
#9F9EB3
oklch(70.7% 0.03 287.8)
-
Step 500
500
#8886A0
oklch(63.1% 0.039 288.8)
-
Step 600
600
#72708B
oklch(55.7% 0.042 288.4)
-
Step 700
700 (this color)
#57556D
oklch(46.1% 0.039 288.6)
-
Step 800
800
#4E4C60
oklch(42.6% 0.033 289.5)
-
Step 900
900
#41404E
oklch(37.8% 0.024 288.5)
-
Step 950
950
#26252E
oklch(26.9% 0.017 290.3)
#57556D 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) | #4F586E | 0.014 |
| Deuteranopia (no green cones) | #4F576C | 0.014 |
| Tritanopia (no blue cones) | #52595D | 0.034 |
| Achromatopsia (no color) | #575757 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57556D
#57556D
oklch(46.1% 0.039 288.6)
- #5A5A41
#5A5A41
oklch(46% 0.038 107.8)
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 #57556D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.013
- YInMn Blue #415A77 ΔE 0.034
- Dusk #4E5481 ΔE 0.036
- Slate #516572 ΔE 0.047
- Twilight #4E518B ΔE 0.056
- Denim #3B638C ΔE 0.062
- Light Navy Blue #2E5A88 ΔE 0.064
- Dusky Blue #475F94 ΔE 0.064
Use #57556D 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.