#2B1801
Closest named color: Dark Brown (#341C02). oklch(23% 0.048 69.5), rgb(43, 24, 1).
Aa
White text reads best on this color (17.02:1).
About this color
#2B1801 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.048 and its hue 69°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.025 away. White text reads best on it, at 17.02:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.23:1 |
| White text | 17.02:1 |
Values
| HEX | #2B1801 |
| RGB | rgb(43, 24, 1) |
| HSL | hsl(33, 95%, 9%) |
| OKLCH | oklch(23% 0.048 69.5) |
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 #2B1801 | 17.02:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #2B1801 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #2B1801 text on white | 17.02:1 | AAA | Lc 103.8 | Preferred for body text |
| #2B1801 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
#F9F5F0
oklch(97.2% 0.008 73.7)
-
Step 100
100
#F1E8DE
oklch(93.5% 0.017 70.5)
-
Step 200
200
#E7D6C3
oklch(88.5% 0.032 70.5)
-
Step 300
300
#D9BB99
oklch(80.9% 0.057 70.4)
-
Step 400
400
#C69660
oklch(70.7% 0.091 68.7)
-
Step 500
500
#B67B2F
oklch(63% 0.116 69.3)
-
Step 600
600
#A06400
oklch(55.6% 0.121 69.2)
-
Step 700
700
#875400
oklch(49.2% 0.107 69.6)
-
Step 800
800
#6F4400
oklch(42.7% 0.093 69.4)
-
Step 900
900
#5B3909
oklch(37.7% 0.076 69.4)
-
Step 950
950 (this color)
#2B1801
oklch(23% 0.048 69.5)
#2B1801 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) | #1E1900 | 0.029 |
| Deuteranopia (no green cones) | #231E01 | 0.025 |
| Tritanopia (no blue cones) | #301313 | 0.039 |
| Achromatopsia (no color) | #1C1C1C | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B1801
#2B1801
oklch(23% 0.048 69.5)
- #081E32
#081E32
oklch(22.9% 0.048 248.7)
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 #2B1801, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.025
- Chocolate Brown #411900 ΔE 0.051
- Deep Brown #410200 ΔE 0.065
- Jet #212529 ΔE 0.066
- Dark Maroon #3C0008 ΔE 0.069
- Mahogany #4A0100 ΔE 0.079
- Dark #1B2431 ΔE 0.081
- Very Dark Brown #1D0200 ΔE 0.084
Use #2B1801 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.