#2B1005
Closest named color: Dark Brown (#341C02). oklch(21.2% 0.049 43.2), rgb(43, 16, 5).
Aa
White text reads best on this color (17.81:1).
About this color
#2B1005 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.049 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.046 away. White text reads best on it, at 17.81:1.
| Hue family | Browns |
| Lightness | very dark (21%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.17:1 |
| White text | 17.81:1 |
Values
| HEX | #2B1005 |
| RGB | rgb(43, 16, 5) |
| HSL | hsl(17, 79%, 9%) |
| OKLCH | oklch(21.2% 0.049 43.2) |
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 #2B1005 | 17.81:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #2B1005 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #2B1005 text on white | 17.81:1 | AAA | Lc 104.4 | Preferred for body text |
| #2B1005 text on black | 1.17:1 | 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
#EDD3C8
oklch(88.5% 0.033 44.3)
-
Step 300
300
#E2B5A3
oklch(80.9% 0.058 42.9)
-
Step 400
400
#D28D71
oklch(70.6% 0.093 42.9)
-
Step 500
500
#C56F4B
oklch(63.1% 0.12 42.9)
-
Step 600
600
#B0562D
oklch(55.6% 0.13 43.5)
-
Step 700
700
#974520
oklch(49% 0.121 42.9)
-
Step 800
800
#7B3A1C
oklch(42.8% 0.1 43.7)
-
Step 900
900
#63321D
oklch(37.6% 0.078 43.1)
-
Step 950
950 (this color)
#2B1005
oklch(21.2% 0.049 43.2)
#2B1005 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) | #171404 | 0.047 |
| Deuteranopia (no green cones) | #1E1A05 | 0.042 |
| Tritanopia (no blue cones) | #300A0D | 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°).
- #2B1005
#2B1005
oklch(21.2% 0.049 43.2)
- #001D26
#001D26
oklch(21.4% 0.039 221.6)
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 #2B1005, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.046
- Dark Maroon #3C0008 ΔE 0.050
- Deep Brown #410200 ΔE 0.054
- Chocolate Brown #411900 ΔE 0.062
- Very Dark Brown #1D0200 ΔE 0.062
- Mahogany #4A0100 ΔE 0.073
- Jet #212529 ΔE 0.076
- Rich Black #0D1B2A ΔE 0.083
Use #2B1005 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.