#554D37
Closest named color: Mud Brown (#60460F). oklch(42.2% 0.036 90.4), rgb(85, 77, 55).
Aa
White text reads best on this color (8.39:1).
About this color
#554D37 is a dark, muted brown. In OKLCH its lightness is 42%, its chroma 0.036 and its hue 90°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.043 away. White text reads best on it, at 8.39:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | muted (0.036) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.50:1 |
| White text | 8.39:1 |
Values
| HEX | #554D37 |
| RGB | rgb(85, 77, 55) |
| HSL | hsl(44, 21%, 27%) |
| OKLCH | oklch(42.2% 0.036 90.4) |
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 #554D37 | 8.39:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #554D37 | 2.50:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #554D37 text on white | 8.39:1 | AAA | Lc 88.9 | Fine for body text |
| #554D37 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#EBEAE5
oklch(93.6% 0.007 97.4)
-
Step 200
200
#DCD9D1
oklch(88.5% 0.011 89.7)
-
Step 300
300
#C6C0B2
oklch(80.9% 0.02 87.5)
-
Step 400
400
#A8A089
oklch(70.6% 0.034 91.1)
-
Step 500
500
#93896C
oklch(63.1% 0.043 91.3)
-
Step 600
600
#7E7354
oklch(55.7% 0.047 90.8)
-
Step 700
700
#6A6044
oklch(49.1% 0.044 90.7)
-
Step 800
800 (this color)
#554D37
oklch(42.2% 0.036 90.4)
-
Step 900
900
#474131
oklch(37.6% 0.027 89.9)
-
Step 950
950
#2A261D
oklch(27% 0.017 86.9)
#554D37 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) | #524C36 | 0.006 |
| Deuteranopia (no green cones) | #544E38 | 0.003 |
| Tritanopia (no blue cones) | #5A4A47 | 0.031 |
| Achromatopsia (no color) | #4D4D4D | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554D37
#554D37
oklch(42.2% 0.036 90.4)
- #464D62
#464D62
oklch(42.2% 0.036 270.4)
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 #554D37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.043
- Green Brown #544E03 ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.061
- Olive Brown #645403 ΔE 0.062
- Charcoal Grey #3C4142 ΔE 0.065
- Purple Brown #673A3F ΔE 0.068
- Pine #2B5D34 ΔE 0.074
- Army Green #4B5D16 ΔE 0.074
Use #554D37 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.