#554B54
Closest named color: Purple Brown (#673A3F). oklch(42.6% 0.02 329.1), rgb(85, 75, 84).
Aa
White text reads best on this color (8.33:1).
About this color
#554B54 is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Purple Brown (#673A3F), ΔE 0.056 away. White text reads best on it, at 8.33:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.52:1 |
| White text | 8.33:1 |
Values
| HEX | #554B54 |
| RGB | rgb(85, 75, 84) |
| HSL | hsl(306, 6%, 31%) |
| OKLCH | oklch(42.6% 0.02 329.1) |
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 #554B54 | 8.33:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #554B54 | 2.52:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #554B54 text on white | 8.33:1 | AAA | Lc 88.8 | Fine for body text |
| #554B54 text on black | 2.52:1 | Fails | Lc -13.4 | 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
#C5BEC4
oklch(80.9% 0.011 330.2)
-
Step 400
400
#A79DA6
oklch(70.7% 0.017 328.9)
-
Step 500
500
#928590
oklch(63.2% 0.022 330.8)
-
Step 600
600
#7C6E7B
oklch(55.6% 0.026 328.2)
-
Step 700
700
#695C67
oklch(49.1% 0.024 331)
-
Step 800
800 (this color)
#554B54
oklch(42.6% 0.02 329.1)
-
Step 900
900
#463F46
oklch(37.7% 0.015 325.9)
-
Step 950
950
#292529
oklch(27% 0.009 325.8)
#554B54 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) | #4B4D54 | 0.017 |
| Deuteranopia (no green cones) | #4D4E54 | 0.015 |
| Tritanopia (no blue cones) | #564C4E | 0.012 |
| Achromatopsia (no color) | #4E4E4E | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554B54
#554B54
oklch(42.6% 0.02 329.1)
- #485249
#485249
oklch(42.7% 0.019 148.1)
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 #554B54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.056
- Dusty Grape #545775 ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.058
- Charcoal Grey #3C4142 ΔE 0.060
- Brownish Purple #76424E ΔE 0.062
- YInMn Blue #415A77 ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.070
- Dusk #4E5481 ΔE 0.072
Use #554B54 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.