#554D5B
Closest named color: Dusty Grape (#545775). oklch(43.3% 0.025 310.8), rgb(85, 77, 91).
Aa
White text reads best on this color (8.08:1).
About this color
#554D5B is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.045 away. White text reads best on it, at 8.08:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.59:1 |
| White text | 8.08:1 |
Values
| HEX | #554D5B |
| RGB | rgb(85, 77, 91) |
| HSL | hsl(274, 8%, 33%) |
| OKLCH | oklch(43.3% 0.025 310.8) |
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 #554D5B | 8.08:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #554D5B | 2.59:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #554D5B text on white | 8.08:1 | AAA | Lc 88.0 | Fine for body text |
| #554D5B text on black | 2.59:1 | Fails | Lc -14.2 | 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
#EBE9EC
oklch(93.6% 0.005 314.8)
-
Step 200
200
#DBD8DD
oklch(88.6% 0.007 312.3)
-
Step 300
300
#C3BEC8
oklch(80.9% 0.015 308.3)
-
Step 400
400
#A59DAC
oklch(70.8% 0.023 309.5)
-
Step 500
500
#8F8597
oklch(63.1% 0.029 310.2)
-
Step 600
600
#796E82
oklch(55.5% 0.033 309.9)
-
Step 700
700
#665C6E
oklch(49.1% 0.031 310.1)
-
Step 800
800 (this color)
#554D5B
oklch(43.3% 0.025 310.8)
-
Step 900
900
#453F49
oklch(37.7% 0.019 312)
-
Step 950
950
#28252B
oklch(27% 0.012 308)
#554D5B 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) | #4B4F5C | 0.016 |
| Deuteranopia (no green cones) | #4D505B | 0.015 |
| Tritanopia (no blue cones) | #544F52 | 0.018 |
| Achromatopsia (no color) | #505050 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554D5B
#554D5B
oklch(43.3% 0.025 310.8)
- #4C5445
#4C5445
oklch(43.4% 0.026 130.4)
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 #554D5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.045
- YInMn Blue #415A77 ΔE 0.055
- Dusk #4E5481 ΔE 0.061
- Dark Slate Gray #2F4F4F ΔE 0.061
- Purple Brown #673A3F ΔE 0.063
- Brownish Purple #76424E ΔE 0.064
- Charcoal Grey #3C4142 ΔE 0.068
- Dark Grey Blue #29465B ΔE 0.071
Use #554D5B 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.