#57566B
Closest named color: Dusty Grape (#545775). oklch(46.2% 0.034 287.2), rgb(87, 86, 107).
Aa
White text reads best on this color (7.12:1).
About this color
#57566B is a medium-dark, muted purple. In OKLCH its lightness is 46%, its chroma 0.034 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.016 away. White text reads best on it, at 7.12:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.94:1 |
| White text | 7.12:1 |
Values
| HEX | #57566B |
| RGB | rgb(87, 86, 107) |
| HSL | hsl(243, 11%, 38%) |
| OKLCH | oklch(46.2% 0.034 287.2) |
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 #57566B | 7.12:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #57566B | 2.94:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #57566B text on white | 7.12:1 | AAA | Lc 84.7 | Fine for body text |
| #57566B text on black | 2.94:1 | Fails | Lc -17.3 | 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
#D8D8DF
oklch(88.4% 0.01 286.2)
-
Step 300
300
#BFBFCB
oklch(80.8% 0.017 286)
-
Step 400
400
#9F9EB1
oklch(70.6% 0.027 288.1)
-
Step 500
500
#88879D
oklch(63.2% 0.033 287.5)
-
Step 600
600
#717088
oklch(55.5% 0.037 287)
-
Step 700
700 (this color)
#57566B
oklch(46.2% 0.034 287.2)
-
Step 800
800
#4E4D5E
oklch(42.8% 0.028 287.9)
-
Step 900
900
#41404D
oklch(37.8% 0.022 288.8)
-
Step 950
950
#26252D
oklch(26.9% 0.015 291.1)
#57566B 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) | #51586C | 0.010 |
| Deuteranopia (no green cones) | #51576A | 0.010 |
| Tritanopia (no blue cones) | #53595D | 0.029 |
| Achromatopsia (no color) | #585858 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57566B
#57566B
oklch(46.2% 0.034 287.2)
- #5A5A44
#5A5A44
oklch(46.1% 0.034 107.7)
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 #57566B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.016
- YInMn Blue #415A77 ΔE 0.034
- Dusk #4E5481 ΔE 0.041
- Slate #516572 ΔE 0.043
- Twilight #4E518B ΔE 0.060
- Denim #3B638C ΔE 0.063
- Light Navy Blue #2E5A88 ΔE 0.066
- Dusky Blue #475F94 ΔE 0.067
Use #57566B 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.