#554B50
Closest named color: Purple Brown (#673A3F). oklch(42.4% 0.016 346.1), rgb(85, 75, 80).
Aa
White text reads best on this color (8.37:1).
About this color
#554B50 is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Purple Brown (#673A3F), ΔE 0.054 away. White text reads best on it, at 8.37:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.50:1 |
| White text | 8.37:1 |
Values
| HEX | #554B50 |
| RGB | rgb(85, 75, 80) |
| HSL | hsl(330, 6%, 31%) |
| OKLCH | oklch(42.4% 0.016 346.1) |
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 #554B50 | 8.37:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #554B50 | 2.50:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #554B50 text on white | 8.37:1 | AAA | Lc 88.9 | Fine for body text |
| #554B50 text on black | 2.50:1 | Fails | Lc -13.3 | 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
#F6F5F5
oklch(97.1% 0.001 17.2)
-
Step 100
100
#EBE9EA
oklch(93.6% 0.003 345.2)
-
Step 200
200
#DCD8DA
oklch(88.6% 0.005 345.3)
-
Step 300
300
#C5BEC2
oklch(80.8% 0.01 341.9)
-
Step 400
400
#A89DA2
oklch(70.7% 0.015 348.1)
-
Step 500
500
#92858C
oklch(63% 0.019 343.9)
-
Step 600
600
#7D6F76
oklch(55.7% 0.02 346.1)
-
Step 700
700
#695D63
oklch(49.2% 0.018 346.1)
-
Step 800
800 (this color)
#554B50
oklch(42.4% 0.016 346.1)
-
Step 900
900
#473F43
oklch(37.7% 0.013 346)
-
Step 950
950
#292527
oklch(27% 0.007 345.8)
#554B50 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) | #4C4D50 | 0.016 |
| Deuteranopia (no green cones) | #4E4E50 | 0.014 |
| Tritanopia (no blue cones) | #574B4D | 0.006 |
| Achromatopsia (no color) | #4E4E4E | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554B50
#554B50
oklch(42.4% 0.016 346.1)
- #47514C
#47514C
oklch(42.4% 0.015 164.2)
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 #554B50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.054
- Dark Slate Gray #2F4F4F ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.057
- Dusty Grape #545775 ΔE 0.061
- Brownish Purple #76424E ΔE 0.063
- YInMn Blue #415A77 ΔE 0.069
- Dark Grey Blue #29465B ΔE 0.071
- Charcoal #264653 ΔE 0.072
Use #554B50 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.