#555771
Closest named color: Dusty Grape (#545775). oklch(46.5% 0.042 281.2), rgb(85, 87, 113).
Aa
White text reads best on this color (7.02:1).
About this color
#555771 is a medium-dark, muted purple. In OKLCH its lightness is 47%, its chroma 0.042 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.007 away. White text reads best on it, at 7.02:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.98:1 |
| White text | 7.02:1 |
Values
| HEX | #555771 |
| RGB | rgb(85, 87, 113) |
| HSL | hsl(236, 14%, 39%) |
| OKLCH | oklch(46.5% 0.042 281.2) |
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 #555771 | 7.02:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #555771 | 2.98:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #555771 text on white | 7.02:1 | AAA | Lc 84.4 | Fine for body text |
| #555771 text on black | 2.98:1 | Fails | Lc -17.6 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D7D8E1
oklch(88.4% 0.012 281.1)
-
Step 300
300
#BEBFCE
oklch(80.8% 0.021 282.9)
-
Step 400
400
#9C9FB5
oklch(70.7% 0.032 279.4)
-
Step 500
500
#8587A3
oklch(63.2% 0.042 281.9)
-
Step 600
600
#6E718E
oklch(55.7% 0.045 280.2)
-
Step 700
700 (this color)
#555771
oklch(46.5% 0.042 281.2)
-
Step 800
800
#4B4D62
oklch(42.7% 0.035 280.5)
-
Step 900
900
#3F4050
oklch(37.7% 0.027 282.2)
-
Step 950
950
#25262F
oklch(27.1% 0.017 280.2)
#555771 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) | #505A72 | 0.011 |
| Deuteranopia (no green cones) | #4F5870 | 0.010 |
| Tritanopia (no blue cones) | #4F5C60 | 0.038 |
| Achromatopsia (no color) | #595959 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #555771
#555771
oklch(46.5% 0.042 281.2)
- #5E5A3F
#5E5A3F
oklch(46.4% 0.041 100.7)
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 #555771, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.007
- YInMn Blue #415A77 ΔE 0.028
- Dusk #4E5481 ΔE 0.032
- Slate #516572 ΔE 0.042
- Twilight #4E518B ΔE 0.052
- Denim #3B638C ΔE 0.055
- Dusky Blue #475F94 ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.058
Use #555771 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.