#554D40
Closest named color: Mud Brown (#60460F). oklch(42.4% 0.023 79.9), rgb(85, 77, 64).
Aa
White text reads best on this color (8.32:1).
About this color
#554D40 is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Mud Brown (#60460F), ΔE 0.055 away. White text reads best on it, at 8.32:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.52:1 |
| White text | 8.32:1 |
Values
| HEX | #554D40 |
| RGB | rgb(85, 77, 64) |
| HSL | hsl(37, 14%, 29%) |
| OKLCH | oklch(42.4% 0.023 79.9) |
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 #554D40 | 8.32:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #554D40 | 2.52:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #554D40 text on white | 8.32:1 | AAA | Lc 88.8 | Fine for body text |
| #554D40 text on black | 2.52:1 | Fails | Lc -13.4 | 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
#DCD9D4
oklch(88.6% 0.008 80.7)
-
Step 300
300
#C5C0B7
oklch(80.9% 0.014 82.4)
-
Step 400
400
#A89F92
oklch(70.6% 0.021 77.3)
-
Step 500
500
#928877
oklch(63.1% 0.027 81.1)
-
Step 600
600
#7D7260
oklch(55.7% 0.03 80.1)
-
Step 700
700
#695F4F
oklch(49% 0.028 79.5)
-
Step 800
800 (this color)
#554D40
oklch(42.4% 0.023 79.9)
-
Step 900
900
#474137
oklch(37.8% 0.018 80.6)
-
Step 950
950
#292620
oklch(27% 0.012 84.6)
#554D40 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) | #514D3F | 0.007 |
| Deuteranopia (no green cones) | #534F40 | 0.007 |
| Tritanopia (no blue cones) | #594B49 | 0.019 |
| Achromatopsia (no color) | #4E4E4E | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554D40
#554D40
oklch(42.4% 0.023 79.9)
- #474F5B
#474F5B
oklch(42.5% 0.022 258.4)
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 #554D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.060
- Purple Brown #673A3F ΔE 0.062
- Green Brown #544E03 ΔE 0.067
- Olive Brown #645403 ΔE 0.073
- Brownish Purple #76424E ΔE 0.074
- Pine #2B5D34 ΔE 0.081
Use #554D40 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.