#554D43
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.5% 0.019 73.4), rgb(85, 77, 67).
Aa
White text reads best on this color (8.30:1).
About this color
#554D43 is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.055 away. White text reads best on it, at 8.30:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.52:1 |
| White text | 8.30:1 |
Values
| HEX | #554D43 |
| RGB | rgb(85, 77, 67) |
| HSL | hsl(33, 12%, 30%) |
| OKLCH | oklch(42.5% 0.019 73.4) |
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 #554D43 | 8.30:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #554D43 | 2.52:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #554D43 text on white | 8.30:1 | AAA | Lc 88.7 | Fine for body text |
| #554D43 text on black | 2.52:1 | Fails | Lc -13.5 | 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
#DCD8D5
oklch(88.5% 0.006 59.6)
-
Step 300
300
#C5C0B9
oklch(81% 0.011 76.6)
-
Step 400
400
#A89F95
oklch(70.7% 0.018 70.5)
-
Step 500
500
#92887A
oklch(63.2% 0.024 76.4)
-
Step 600
600
#7C7163
oklch(55.5% 0.025 73.9)
-
Step 700
700
#695F52
oklch(49.1% 0.024 74.4)
-
Step 800
800 (this color)
#554D43
oklch(42.5% 0.019 73.4)
-
Step 900
900
#474039
oklch(37.6% 0.015 67.3)
-
Step 950
950
#292621
oklch(27% 0.01 80.6)
#554D43 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) | #504D42 | 0.009 |
| Deuteranopia (no green cones) | #524F43 | 0.008 |
| Tritanopia (no blue cones) | #584B4A | 0.016 |
| Achromatopsia (no color) | #4E4E4E | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554D43
#554D43
oklch(42.5% 0.019 73.4)
- #474F59
#474F59
oklch(42.4% 0.02 254)
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 #554D43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.055
- Charcoal Grey #3C4142 ΔE 0.059
- Mud Brown #60460F ΔE 0.059
- Purple Brown #673A3F ΔE 0.060
- Green Brown #544E03 ΔE 0.071
- Brownish Purple #76424E ΔE 0.071
- Olive Brown #645403 ΔE 0.077
- Dusty Grape #545775 ΔE 0.078
Use #554D43 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.