#55513B
Closest named color: Mud Brown (#60460F). oklch(43.2% 0.035 99), rgb(85, 81, 59).
Aa
White text reads best on this color (7.99:1).
About this color
#55513B is a dark, muted brown. In OKLCH its lightness is 43%, its chroma 0.035 and its hue 99°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.050 away. White text reads best on it, at 7.99:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | muted (0.035) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.62:1 |
| White text | 7.99:1 |
Values
| HEX | #55513B |
| RGB | rgb(85, 81, 59) |
| HSL | hsl(51, 18%, 28%) |
| OKLCH | oklch(43.2% 0.035 99) |
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 #55513B | 7.99:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #55513B | 2.62:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #55513B text on white | 7.99:1 | AAA | Lc 87.7 | Fine for body text |
| #55513B text on black | 2.62:1 | Fails | Lc -14.4 | 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#EBEAE6
oklch(93.7% 0.005 95.1)
-
Step 200
200
#DBD9D1
oklch(88.5% 0.011 95.2)
-
Step 300
300
#C4C1B2
oklch(80.9% 0.021 97.6)
-
Step 400
400
#A5A18B
oklch(70.6% 0.031 98.6)
-
Step 500
500
#8F8A6E
oklch(63% 0.041 99)
-
Step 600
600
#7A7456
oklch(55.6% 0.044 98.1)
-
Step 700
700
#666146
oklch(49% 0.041 98.9)
-
Step 800
800 (this color)
#55513B
oklch(43.2% 0.035 99)
-
Step 900
900
#454232
oklch(37.7% 0.026 98.6)
-
Step 950
950
#28271D
oklch(27% 0.018 102.8)
#55513B 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) | #55503A | 0.003 |
| Deuteranopia (no green cones) | #57513C | 0.004 |
| Tritanopia (no blue cones) | #594E4B | 0.031 |
| Achromatopsia (no color) | #515151 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55513B
#55513B
oklch(43.2% 0.035 99)
- #4C4F64
#4C4F64
oklch(43.3% 0.035 278.5)
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 #55513B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.050
- Green Brown #544E03 ΔE 0.055
- Olive Brown #645403 ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.062
- Pine #2B5D34 ΔE 0.068
- Army Green #4B5D16 ΔE 0.069
- Charcoal Grey #3C4142 ΔE 0.072
- Purple Brown #673A3F ΔE 0.076
Use #55513B 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.