#554C55
Closest named color: Dusty Grape (#545775). oklch(42.9% 0.019 325.9), rgb(85, 76, 85).
Aa
White text reads best on this color (8.23:1).
About this color
#554C55 is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.054 away. White text reads best on it, at 8.23:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.55:1 |
| White text | 8.23:1 |
Values
| HEX | #554C55 |
| RGB | rgb(85, 76, 85) |
| HSL | hsl(300, 6%, 32%) |
| OKLCH | oklch(42.9% 0.019 325.9) |
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 #554C55 | 8.23:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #554C55 | 2.55:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #554C55 text on white | 8.23:1 | AAA | Lc 88.5 | Fine for body text |
| #554C55 text on black | 2.55:1 | Fails | Lc -13.7 | Not readable |
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 800.
-
Step 50
50
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EBE9EB
oklch(93.6% 0.003 325.6)
-
Step 200
200
#DBD8DB
oklch(88.5% 0.005 325.6)
-
Step 300
300
#C4BEC4
oklch(80.8% 0.011 325.7)
-
Step 400
400
#A79DA6
oklch(70.7% 0.017 328.9)
-
Step 500
500
#918591
oklch(63.1% 0.023 325.8)
-
Step 600
600
#7B6F7B
oklch(55.7% 0.023 325.9)
-
Step 700
700
#685C68
oklch(49% 0.024 325.9)
-
Step 800
800 (this color)
#554C55
oklch(42.9% 0.019 325.9)
-
Step 900
900
#463F46
oklch(37.7% 0.015 325.9)
-
Step 950
950
#292529
oklch(27% 0.009 325.8)
#554C55 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) | #4B4E55 | 0.017 |
| Deuteranopia (no green cones) | #4D4F55 | 0.015 |
| Tritanopia (no blue cones) | #564D4F | 0.011 |
| Achromatopsia (no color) | #4F4F4F | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554C55
#554C55
oklch(42.9% 0.019 325.9)
- #495249
#495249
oklch(42.8% 0.019 145.2)
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 #554C55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.054
- Dark Slate Gray #2F4F4F ΔE 0.058
- Purple Brown #673A3F ΔE 0.058
- Charcoal Grey #3C4142 ΔE 0.062
- Brownish Purple #76424E ΔE 0.062
- YInMn Blue #415A77 ΔE 0.062
- Dusk #4E5481 ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.070
Use #554C55 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.