#2B180E
Closest named color: Dark Brown (#341C02). oklch(23.2% 0.036 48.2), rgb(43, 24, 14).
Aa
White text reads best on this color (16.93:1).
About this color
#2B180E is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.036 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.031 away. White text reads best on it, at 16.93:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.036) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.23:1 |
| White text | 16.93:1 |
Values
| HEX | #2B180E |
| RGB | rgb(43, 24, 14) |
| HSL | hsl(21, 51%, 11%) |
| OKLCH | oklch(23.2% 0.036 48.2) |
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 #2B180E | 16.93:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #2B180E | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #2B180E text on white | 16.93:1 | AAA | Lc 103.8 | Preferred for body text |
| #2B180E text on black | 1.23:1 | 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
#F1E8E3
oklch(93.7% 0.012 51.3)
-
Step 200
200
#E7D5CC
oklch(88.5% 0.024 48.4)
-
Step 300
300
#D8B9A9
oklch(80.8% 0.042 49)
-
Step 400
400
#C4947C
oklch(70.6% 0.067 47.7)
-
Step 500
500
#B4795B
oklch(63% 0.086 47.7)
-
Step 600
600
#A06140
oklch(55.6% 0.095 47.7)
-
Step 700
700
#885032
oklch(49% 0.087 48)
-
Step 800
800
#6F422A
oklch(42.7% 0.072 48.1)
-
Step 900
900
#5A3826
oklch(37.7% 0.057 48.3)
-
Step 950
950 (this color)
#2B180E
oklch(23.2% 0.036 48.2)
#2B180E 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) | #1D1A0D | 0.031 |
| Deuteranopia (no green cones) | #221E0E | 0.027 |
| Tritanopia (no blue cones) | #2F1516 | 0.021 |
| Achromatopsia (no color) | #1D1D1D | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B180E
#2B180E
oklch(23.2% 0.036 48.2)
- #08212B
#08212B
oklch(23.4% 0.036 227.7)
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 #2B180E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.031
- Chocolate Brown #411900 ΔE 0.052
- Jet #212529 ΔE 0.054
- Dark Maroon #3C0008 ΔE 0.062
- Deep Brown #410200 ΔE 0.062
- Dark #1B2431 ΔE 0.067
- Rich Black #0D1B2A ΔE 0.071
- Mahogany #4A0100 ΔE 0.076
Use #2B180E 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.