#2B1507
Closest named color: Dark Brown (#341C02). oklch(22.4% 0.043 51.8), rgb(43, 21, 7).
Aa
White text reads best on this color (17.31:1).
About this color
#2B1507 is a very dark, muted brown. In OKLCH its lightness is 22%, its chroma 0.043 and its hue 52°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.034 away. White text reads best on it, at 17.31:1.
| Hue family | Browns |
| Lightness | very dark (22%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.21:1 |
| White text | 17.31:1 |
Values
| HEX | #2B1507 |
| RGB | rgb(43, 21, 7) |
| HSL | hsl(23, 72%, 10%) |
| OKLCH | oklch(22.4% 0.043 51.8) |
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 #2B1507 | 17.31:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #2B1507 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #2B1507 text on white | 17.31:1 | AAA | Lc 104.0 | Preferred for body text |
| #2B1507 text on black | 1.21:1 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E7E1
oklch(93.5% 0.014 50.8)
-
Step 200
200
#E9D4C8
oklch(88.4% 0.029 51.8)
-
Step 300
300
#DCB8A3
oklch(80.9% 0.051 52)
-
Step 400
400
#CA9271
oklch(70.6% 0.082 51.5)
-
Step 500
500
#BB764B
oklch(63% 0.105 51.8)
-
Step 600
600
#A75E2D
oklch(55.7% 0.114 51.9)
-
Step 700
700
#8F4D20
oklch(49.2% 0.106 51.7)
-
Step 800
800
#743F1C
oklch(42.6% 0.088 51.5)
-
Step 900
900
#5E361D
oklch(37.7% 0.069 51.3)
-
Step 950
950 (this color)
#2B1507
oklch(22.4% 0.043 51.8)
#2B1507 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) | #1B1806 | 0.036 |
| Deuteranopia (no green cones) | #211C07 | 0.031 |
| Tritanopia (no blue cones) | #301112 | 0.027 |
| Achromatopsia (no color) | #1B1B1B | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B1507
#2B1507
oklch(22.4% 0.043 51.8)
- #021F2C
#021F2C
oklch(22.5% 0.043 231.2)
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 #2B1507, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.034
- Chocolate Brown #411900 ΔE 0.054
- Dark Maroon #3C0008 ΔE 0.058
- Deep Brown #410200 ΔE 0.058
- Jet #212529 ΔE 0.065
- Very Dark Brown #1D0200 ΔE 0.075
- Mahogany #4A0100 ΔE 0.075
- Dark #1B2431 ΔE 0.077
Use #2B1507 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.