#2D180B
Closest named color: Dark Brown (#341C02). oklch(23.5% 0.041 51.4), rgb(45, 24, 11).
Aa
White text reads best on this color (16.83:1).
About this color
#2D180B is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.041 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.026 away. White text reads best on it, at 16.83:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.041) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.24:1 |
| White text | 16.83:1 |
Values
| HEX | #2D180B |
| RGB | rgb(45, 24, 11) |
| HSL | hsl(23, 61%, 11%) |
| OKLCH | oklch(23.5% 0.041 51.4) |
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 #2D180B | 16.83:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #2D180B | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #2D180B text on white | 16.83:1 | AAA | Lc 103.6 | Preferred for body text |
| #2D180B text on black | 1.24:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E7E2
oklch(93.5% 0.014 46.2)
-
Step 200
200
#E8D5CA
oklch(88.6% 0.026 52.2)
-
Step 300
300
#DBB9A5
oklch(81% 0.048 52.2)
-
Step 400
400
#C89374
oklch(70.7% 0.077 51.4)
-
Step 500
500
#B97850
oklch(63.2% 0.098 51.7)
-
Step 600
600
#A45F34
oklch(55.6% 0.107 50.9)
-
Step 700
700
#8C4E26
oklch(49% 0.099 51.2)
-
Step 800
800
#724121
oklch(42.8% 0.082 52)
-
Step 900
900
#5C3720
oklch(37.6% 0.064 51.6)
-
Step 950
950 (this color)
#2D180B
oklch(23.5% 0.041 51.4)
#2D180B 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) | #1E1A0A | 0.033 |
| Deuteranopia (no green cones) | #231F0B | 0.030 |
| Tritanopia (no blue cones) | #321415 | 0.026 |
| Achromatopsia (no color) | #1D1D1D | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D180B
#2D180B
oklch(23.5% 0.041 51.4)
- #06212E
#06212E
oklch(23.4% 0.041 233)
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 #2D180B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.026
- Chocolate Brown #411900 ΔE 0.047
- Jet #212529 ΔE 0.057
- Deep Brown #410200 ΔE 0.058
- Dark Maroon #3C0008 ΔE 0.060
- Dark #1B2431 ΔE 0.071
- Mahogany #4A0100 ΔE 0.072
- Rich Black #0D1B2A ΔE 0.077
Use #2D180B 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.