#2B1309
Closest named color: Dark Brown (#341C02). oklch(22% 0.044 42.8), rgb(43, 19, 9).
Aa
White text reads best on this color (17.50:1).
About this color
#2B1309 is a very dark, muted brown. In OKLCH its lightness is 22%, its chroma 0.044 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.040 away. White text reads best on it, at 17.50:1.
| Hue family | Browns |
| Lightness | very dark (22%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.19:1 |
| White text | 17.50:1 |
Values
| HEX | #2B1309 |
| RGB | rgb(43, 19, 9) |
| HSL | hsl(18, 65%, 10%) |
| OKLCH | oklch(22% 0.044 42.8) |
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 #2B1309 | 17.50:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #2B1309 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #2B1309 text on white | 17.50:1 | AAA | Lc 104.2 | Preferred for body text |
| #2B1309 text on black | 1.19:1 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EBD4CA
oklch(88.6% 0.029 45)
-
Step 300
300
#DFB7A7
oklch(81% 0.052 42.9)
-
Step 400
400
#CD9077
oklch(70.7% 0.083 43.2)
-
Step 500
500
#BF7354
oklch(63.1% 0.106 42.7)
-
Step 600
600
#AA5A39
oklch(55.6% 0.115 42.4)
-
Step 700
700
#924A2B
oklch(49.2% 0.107 43)
-
Step 800
800
#763D25
oklch(42.7% 0.088 42.8)
-
Step 900
900
#603422
oklch(37.7% 0.07 42.6)
-
Step 950
950 (this color)
#2B1309
oklch(22% 0.044 42.8)
#2B1309 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) | #191608 | 0.041 |
| Deuteranopia (no green cones) | #1F1B09 | 0.036 |
| Tritanopia (no blue cones) | #300E11 | 0.025 |
| Achromatopsia (no color) | #191919 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B1309
#2B1309
oklch(22% 0.044 42.8)
- #001E28
#001E28
oklch(21.8% 0.041 223.6)
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 #2B1309, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.040
- Dark Maroon #3C0008 ΔE 0.053
- Deep Brown #410200 ΔE 0.056
- Chocolate Brown #411900 ΔE 0.058
- Jet #212529 ΔE 0.067
- Very Dark Brown #1D0200 ΔE 0.070
- Mahogany #4A0100 ΔE 0.074
- Rich Black #0D1B2A ΔE 0.077
Use #2B1309 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.