#555773
Closest named color: Dusty Grape (#545775). oklch(46.6% 0.045 281.3), rgb(85, 87, 115).
Aa
White text reads best on this color (7.00:1).
About this color
#555773 is a medium-dark, muted purple. In OKLCH its lightness is 47%, its chroma 0.045 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.004 away. White text reads best on it, at 7.00:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #555773 |
| RGB | rgb(85, 87, 115) |
| HSL | hsl(236, 15%, 39%) |
| OKLCH | oklch(46.6% 0.045 281.3) |
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 #555773 | 7.00:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #555773 | 2.99:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #555773 text on white | 7.00:1 | AAA | Lc 84.3 | Fine for body text |
| #555773 text on black | 2.99:1 | Fails | Lc -17.7 | 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
#BEBFCF
oklch(80.9% 0.022 283)
-
Step 400
400
#9C9EB7
oklch(70.6% 0.036 281.8)
-
Step 500
500
#8487A5
oklch(63.2% 0.045 280.5)
-
Step 600
600
#6E7090
oklch(55.5% 0.05 281.9)
-
Step 700
700 (this color)
#555773
oklch(46.6% 0.045 281.3)
-
Step 800
800
#4B4D63
oklch(42.7% 0.036 280.7)
-
Step 900
900
#3F4051
oklch(37.7% 0.029 282.3)
-
Step 950
950
#25252F
oklch(26.9% 0.018 285.1)
#555773 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) | #4F5A74 | 0.012 |
| Deuteranopia (no green cones) | #4E5872 | 0.011 |
| Tritanopia (no blue cones) | #4E5C61 | 0.039 |
| Achromatopsia (no color) | #595959 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #555773
#555773
oklch(46.6% 0.045 281.3)
- #5F5B3D
#5F5B3D
oklch(46.7% 0.045 101.5)
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 #555773, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.004
- YInMn Blue #415A77 ΔE 0.028
- Dusk #4E5481 ΔE 0.029
- Slate #516572 ΔE 0.043
- Twilight #4E518B ΔE 0.049
- Denim #3B638C ΔE 0.053
- Dusky Blue #475F94 ΔE 0.054
- Light Navy Blue #2E5A88 ΔE 0.056
Use #555773 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.