#55451B
Closest named color: Mud Brown (#60460F). oklch(39.8% 0.063 88.3), rgb(85, 69, 27).
Aa
White text reads best on this color (9.31:1).
About this color
#55451B is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.063 and its hue 88°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.022 away. White text reads best on it, at 9.31:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.063) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.25:1 |
| White text | 9.31:1 |
Values
| HEX | #55451B |
| RGB | rgb(85, 69, 27) |
| HSL | hsl(43, 52%, 22%) |
| OKLCH | oklch(39.8% 0.063 88.3) |
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 #55451B | 9.31:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #55451B | 2.25:1 | Fails | Lc 12.5 | Not readable |
| #55451B text on white | 9.31:1 | AAA | Lc 91.4 | Preferred for body text |
| #55451B text on black | 2.25:1 | Fails | Lc -10.9 | 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 900.
-
Step 50
50
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EDEAE0
oklch(93.7% 0.014 93)
-
Step 200
200
#E0D9C6
oklch(88.6% 0.027 90.1)
-
Step 300
300
#CDC09F
oklch(81% 0.047 89.1)
-
Step 400
400
#B49E69
oklch(70.6% 0.075 87.9)
-
Step 500
500
#A1863F
oklch(63.1% 0.096 88.6)
-
Step 600
600
#8D6F19
oklch(55.6% 0.105 88)
-
Step 700
700
#775D08
oklch(49.1% 0.097 88.9)
-
Step 800
800
#614C0E
oklch(42.7% 0.081 88.5)
-
Step 900
900 (this color)
#55451B
oklch(39.8% 0.063 88.3)
-
Step 950
950
#2E250E
oklch(26.9% 0.039 88.3)
#55451B 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) | #4D4417 | 0.016 |
| Deuteranopia (no green cones) | #51491D | 0.013 |
| Tritanopia (no blue cones) | #5C3F3C | 0.057 |
| Achromatopsia (no color) | #474747 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55451B
#55451B
oklch(39.8% 0.063 88.3)
- #394669
#394669
oklch(39.9% 0.062 268)
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 #55451B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.022
- Green Brown #544E03 ΔE 0.037
- Olive Brown #645403 ΔE 0.059
- Dark Olive #373E02 ΔE 0.064
- Navy Green #35530A ΔE 0.070
- Charcoal Grey #3C4142 ΔE 0.072
- Army Green #4B5D16 ΔE 0.076
- Purple Brown #673A3F ΔE 0.078
Use #55451B 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.