#55566D
Closest named color: Dusty Grape (#545775). oklch(46.1% 0.037 282.9), rgb(85, 86, 109).
Aa
White text reads best on this color (7.14:1).
About this color
#55566D is a medium-dark, muted purple. In OKLCH its lightness is 46%, its chroma 0.037 and its hue 283°. 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 7.14:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.93:1 |
| White text | 7.14:1 |
Values
| HEX | #55566D |
| RGB | rgb(85, 86, 109) |
| HSL | hsl(238, 12%, 38%) |
| OKLCH | oklch(46.1% 0.037 282.9) |
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 #55566D | 7.14:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #55566D | 2.93:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #55566D text on white | 7.14:1 | AAA | Lc 84.8 | Fine for body text |
| #55566D text on black | 2.93:1 | Fails | Lc -17.2 | 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
#BEBFCC
oklch(80.8% 0.018 282.5)
-
Step 400
400
#9D9FB3
oklch(70.7% 0.029 281.1)
-
Step 500
500
#8687A0
oklch(63.1% 0.037 283.5)
-
Step 600
600
#6F718B
oklch(55.6% 0.04 281.5)
-
Step 700
700 (this color)
#55566D
oklch(46.1% 0.037 282.9)
-
Step 800
800
#4C4D60
oklch(42.7% 0.031 282.6)
-
Step 900
900
#3F404E
oklch(37.6% 0.024 282)
-
Step 950
950
#25262E
oklch(27.1% 0.015 279.7)
#55566D 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) | #50596E | 0.011 |
| Deuteranopia (no green cones) | #4F576C | 0.010 |
| Tritanopia (no blue cones) | #505A5E | 0.032 |
| Achromatopsia (no color) | #585858 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55566D
#55566D
oklch(46.1% 0.037 282.9)
- #5C5941
#5C5941
oklch(46% 0.037 101.7)
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 #55566D, 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 0.031
- Dusk #4E5481 ΔE 0.037
- Slate #516572 ΔE 0.044
- Twilight #4E518B ΔE 0.056
- Denim #3B638C ΔE 0.060
- Light Navy Blue #2E5A88 ΔE 0.061
- Dusky Blue #475F94 ΔE 0.063
Use #55566D 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.