#554C47
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.4% 0.015 51), rgb(85, 76, 71).
Aa
White text reads best on this color (8.36:1).
About this color
#554C47 is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.054 away. White text reads best on it, at 8.36:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.51:1 |
| White text | 8.36:1 |
Values
| HEX | #554C47 |
| RGB | rgb(85, 76, 71) |
| HSL | hsl(21, 9%, 31%) |
| OKLCH | oklch(42.4% 0.015 51) |
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 #554C47 | 8.36:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #554C47 | 2.51:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #554C47 text on white | 8.36:1 | AAA | Lc 88.9 | Fine for body text |
| #554C47 text on black | 2.51:1 | 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
#EBE9E8
oklch(93.5% 0.003 48.7)
-
Step 200
200
#DCD8D6
oklch(88.5% 0.005 48.7)
-
Step 300
300
#C5BFBC
oklch(80.9% 0.008 48.6)
-
Step 400
400
#A89E99
oklch(70.6% 0.014 48.5)
-
Step 500
500
#938780
oklch(63.2% 0.018 52.4)
-
Step 600
600
#7D7069
oklch(55.5% 0.02 50.2)
-
Step 700
700
#695E58
oklch(49.1% 0.017 50.6)
-
Step 800
800 (this color)
#554C47
oklch(42.4% 0.015 51)
-
Step 900
900
#47403C
oklch(37.7% 0.012 51.8)
-
Step 950
950
#292523
oklch(26.8% 0.007 48.4)
#554C47 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) | #4E4D47 | 0.012 |
| Deuteranopia (no green cones) | #504E47 | 0.010 |
| Tritanopia (no blue cones) | #584B4B | 0.010 |
| Achromatopsia (no color) | #4E4E4E | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #554C47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.054
- Purple Brown #673A3F ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.057
- Mud Brown #60460F ΔE 0.066
- Brownish Purple #76424E ΔE 0.067
- Dusty Grape #545775 ΔE 0.073
- Charcoal #264653 ΔE 0.076
- Dark Grey Blue #29465B ΔE 0.078
Use #554C47 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.