#554A55
Closest named color: Purple Brown (#673A3F). oklch(42.4% 0.023 326), rgb(85, 74, 85).
Aa
White text reads best on this color (8.41:1).
About this color
#554A55 is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Purple Brown (#673A3F), ΔE 0.055 away. White text reads best on it, at 8.41:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.49:1 |
| White text | 8.41:1 |
Values
| HEX | #554A55 |
| RGB | rgb(85, 74, 85) |
| HSL | hsl(300, 7%, 31%) |
| OKLCH | oklch(42.4% 0.023 326) |
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 #554A55 | 8.41:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #554A55 | 2.49:1 | Fails | Lc 15.0 | Not readable |
| #554A55 text on white | 8.41:1 | AAA | Lc 89.0 | Fine for body text |
| #554A55 text on black | 2.49:1 | Fails | Lc -13.2 | 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
#DCD7DC
oklch(88.5% 0.009 325.6)
-
Step 300
300
#C5BEC5
oklch(80.9% 0.012 325.7)
-
Step 400
400
#A89CA8
oklch(70.7% 0.022 325.8)
-
Step 500
500
#938492
oklch(63.1% 0.027 328)
-
Step 600
600
#7D6E7D
oklch(55.7% 0.029 326)
-
Step 700
700
#695B69
oklch(49% 0.028 326)
-
Step 800
800 (this color)
#554A55
oklch(42.4% 0.023 326)
-
Step 900
900
#473E47
oklch(37.6% 0.019 326)
-
Step 950
950
#292529
oklch(27% 0.009 325.8)
#554A55 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) | #494D55 | 0.021 |
| Deuteranopia (no green cones) | #4C4E55 | 0.018 |
| Tritanopia (no blue cones) | #564B4E | 0.013 |
| Achromatopsia (no color) | #4D4D4D | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554A55
#554A55
oklch(42.4% 0.023 326)
- #465247
#465247
oklch(42.4% 0.024 147.5)
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 #554A55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.055
- Dusty Grape #545775 ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.059
- Charcoal Grey #3C4142 ΔE 0.059
- Brownish Purple #76424E ΔE 0.061
- YInMn Blue #415A77 ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.069
- Dusk #4E5481 ΔE 0.071
Use #554A55 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.