#554C42
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.2% 0.02 70.2), rgb(85, 76, 66).
Aa
White text reads best on this color (8.40:1).
About this color
#554C42 is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.056 away. White text reads best on it, at 8.40:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #554C42 |
| RGB | rgb(85, 76, 66) |
| HSL | hsl(32, 13%, 30%) |
| OKLCH | oklch(42.2% 0.02 70.2) |
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 #554C42 | 8.40:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #554C42 | 2.49:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #554C42 text on white | 8.40:1 | AAA | Lc 89.0 | Fine for body text |
| #554C42 text on black | 2.49:1 | Fails | Lc -13.2 | 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
#F6F5F4
oklch(97.1% 0.002 67.8)
-
Step 100
100
#EBE9E7
oklch(93.5% 0.003 67.8)
-
Step 200
200
#DCD8D4
oklch(88.4% 0.007 67.7)
-
Step 300
300
#C6BFB9
oklch(80.9% 0.012 63.3)
-
Step 400
400
#A89F94
oklch(70.7% 0.019 73)
-
Step 500
500
#93877A
oklch(63% 0.024 69.6)
-
Step 600
600
#7D7163
oklch(55.6% 0.026 71.5)
-
Step 700
700
#6A5F52
oklch(49.2% 0.025 71.8)
-
Step 800
800 (this color)
#554C42
oklch(42.2% 0.02 70.2)
-
Step 900
900
#474039
oklch(37.6% 0.015 67.3)
-
Step 950
950
#2A2621
oklch(27.1% 0.011 73.5)
#554C42 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) | #4F4C41 | 0.010 |
| Deuteranopia (no green cones) | #514E42 | 0.009 |
| Tritanopia (no blue cones) | #594A49 | 0.016 |
| Achromatopsia (no color) | #4D4D4D | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554C42
#554C42
oklch(42.2% 0.02 70.2)
- #464F59
#464F59
oklch(42.3% 0.02 251.1)
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 #554C42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.057
- Purple Brown #673A3F ΔE 0.058
- Mud Brown #60460F ΔE 0.058
- Brownish Purple #76424E ΔE 0.071
- Green Brown #544E03 ΔE 0.071
- Olive Brown #645403 ΔE 0.078
- Charcoal #264653 ΔE 0.078
Use #554C42 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.