#2B1105
Closest named color: Dark Brown (#341C02). oklch(21.5% 0.048 45.4), rgb(43, 17, 5).
Aa
White text reads best on this color (17.72:1).
About this color
#2B1105 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.048 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.043 away. White text reads best on it, at 17.72:1.
| Hue family | Browns |
| Lightness | very dark (21%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.18:1 |
| White text | 17.72:1 |
Values
| HEX | #2B1105 |
| RGB | rgb(43, 17, 5) |
| HSL | hsl(19, 79%, 9%) |
| OKLCH | oklch(21.5% 0.048 45.4) |
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 #2B1105 | 17.72:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #2B1105 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #2B1105 text on white | 17.72:1 | AAA | Lc 104.3 | Preferred for body text |
| #2B1105 text on black | 1.18:1 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E1
oklch(93.7% 0.016 46.6)
-
Step 200
200
#ECD3C8
oklch(88.5% 0.032 45.3)
-
Step 300
300
#E1B6A2
oklch(80.9% 0.057 46.3)
-
Step 400
400
#D18E70
oklch(70.7% 0.092 44.9)
-
Step 500
500
#C3714A
oklch(63.1% 0.117 45.4)
-
Step 600
600
#AE572C
oklch(55.5% 0.127 45)
-
Step 700
700
#95471E
oklch(49% 0.118 45.6)
-
Step 800
800
#793B1B
oklch(42.7% 0.097 45.8)
-
Step 900
900
#62331C
oklch(37.7% 0.076 45.6)
-
Step 950
950 (this color)
#2B1105
oklch(21.5% 0.048 45.4)
#2B1105 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) | #181504 | 0.045 |
| Deuteranopia (no green cones) | #1F1A05 | 0.038 |
| Tritanopia (no blue cones) | #300C0E | 0.026 |
| Achromatopsia (no color) | #181818 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B1105
#2B1105
oklch(21.5% 0.048 45.4)
- #001D27
#001D27
oklch(21.4% 0.04 224.1)
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 #2B1105, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.043
- Dark Maroon #3C0008 ΔE 0.052
- Deep Brown #410200 ΔE 0.055
- Chocolate Brown #411900 ΔE 0.060
- Very Dark Brown #1D0200 ΔE 0.064
- Mahogany #4A0100 ΔE 0.074
- Jet #212529 ΔE 0.074
- Rich Black #0D1B2A ΔE 0.082
Use #2B1105 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.