#554B5B
Closest named color: Dusty Grape (#545775). oklch(42.9% 0.029 312.9), rgb(85, 75, 91).
Aa
White text reads best on this color (8.25:1).
About this color
#554B5B is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.047 away. White text reads best on it, at 8.25:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.54:1 |
| White text | 8.25:1 |
Values
| HEX | #554B5B |
| RGB | rgb(85, 75, 91) |
| HSL | hsl(278, 10%, 33%) |
| OKLCH | oklch(42.9% 0.029 312.9) |
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 #554B5B | 8.25:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #554B5B | 2.54:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #554B5B text on white | 8.25:1 | AAA | Lc 88.5 | Fine for body text |
| #554B5B text on black | 2.54:1 | Fails | Lc -13.6 | 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
#EBE9EC
oklch(93.6% 0.005 314.8)
-
Step 200
200
#DBD7DE
oklch(88.4% 0.01 311.2)
-
Step 300
300
#C4BEC9
oklch(81% 0.017 310.1)
-
Step 400
400
#A69CAD
oklch(70.7% 0.027 311.6)
-
Step 500
500
#918499
oklch(63.2% 0.034 312.7)
-
Step 600
600
#7B6D83
oklch(55.5% 0.037 313.3)
-
Step 700
700
#685B6F
oklch(49.1% 0.035 313.8)
-
Step 800
800 (this color)
#554B5B
oklch(42.9% 0.029 312.9)
-
Step 900
900
#463E4A
oklch(37.7% 0.023 314.5)
-
Step 950
950
#29242C
oklch(26.9% 0.016 312.9)
#554B5B 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) | #494E5C | 0.020 |
| Deuteranopia (no green cones) | #4B4F5A | 0.020 |
| Tritanopia (no blue cones) | #554D50 | 0.021 |
| Achromatopsia (no color) | #4F4F4F | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554B5B
#554B5B
oklch(42.9% 0.029 312.9)
- #495343
#495343
oklch(42.8% 0.029 133.8)
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 #554B5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.058
- Purple Brown #673A3F ΔE 0.060
- Dusk #4E5481 ΔE 0.062
- Dark Slate Gray #2F4F4F ΔE 0.063
- Brownish Purple #76424E ΔE 0.063
- Charcoal Grey #3C4142 ΔE 0.066
- Dark Grey Blue #29465B ΔE 0.069
Use #554B5B 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.