#57556E
Closest named color: Dusty Grape (#545775). oklch(46.1% 0.04 288.4), rgb(87, 85, 110).
Aa
White text reads best on this color (7.16:1).
About this color
#57556E is a medium-dark, muted purple. In OKLCH its lightness is 46%, its chroma 0.040 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.012 away. White text reads best on it, at 7.16:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.92:1 |
| White text | 7.16:1 |
Values
| HEX | #57556E |
| RGB | rgb(87, 85, 110) |
| HSL | hsl(245, 13%, 38%) |
| OKLCH | oklch(46.1% 0.04 288.4) |
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 #57556E | 7.16:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #57556E | 2.92:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #57556E text on white | 7.16:1 | AAA | Lc 84.9 | Fine for body text |
| #57556E 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
#C0BFCD
oklch(81% 0.02 289.2)
-
Step 400
400
#9F9EB3
oklch(70.7% 0.03 287.8)
-
Step 500
500
#8886A1
oklch(63.1% 0.04 288.6)
-
Step 600
600
#72708C
oklch(55.7% 0.043 288.2)
-
Step 700
700 (this color)
#57556E
oklch(46.1% 0.04 288.4)
-
Step 800
800
#4E4C61
oklch(42.7% 0.035 289.2)
-
Step 900
900
#41404F
oklch(37.8% 0.025 288.2)
-
Step 950
950
#26252E
oklch(26.9% 0.017 290.3)
#57556E 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) | #4F586F | 0.014 |
| Deuteranopia (no green cones) | #4F576D | 0.014 |
| Tritanopia (no blue cones) | #52595D | 0.035 |
| Achromatopsia (no color) | #585858 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57556E
#57556E
oklch(46.1% 0.04 288.4)
- #5A5A40
#5A5A40
oklch(46% 0.04 107.9)
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 #57556E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.012
- YInMn Blue #415A77 ΔE 0.033
- Dusk #4E5481 ΔE 0.035
- Slate #516572 ΔE 0.047
- Twilight #4E518B ΔE 0.054
- Denim #3B638C ΔE 0.061
- Light Navy Blue #2E5A88 ΔE 0.063
- Dusky Blue #475F94 ΔE 0.063
Use #57556E 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.