#2B170B
Closest named color: Dark Brown (#341C02). oklch(22.9% 0.039 50.8), rgb(43, 23, 11).
Aa
White text reads best on this color (17.07:1).
About this color
#2B170B is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.039 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.031 away. White text reads best on it, at 17.07:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.23:1 |
| White text | 17.07:1 |
Values
| HEX | #2B170B |
| RGB | rgb(43, 23, 11) |
| HSL | hsl(23, 59%, 11%) |
| OKLCH | oklch(22.9% 0.039 50.8) |
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 #2B170B | 17.07:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #2B170B | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #2B170B text on white | 17.07:1 | AAA | Lc 103.9 | Preferred for body text |
| #2B170B 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E8E2
oklch(93.7% 0.014 53.3)
-
Step 200
200
#E8D5CA
oklch(88.6% 0.026 52.2)
-
Step 300
300
#DAB9A6
oklch(80.9% 0.046 51.7)
-
Step 400
400
#C69477
oklch(70.7% 0.073 51.3)
-
Step 500
500
#B77854
oklch(63% 0.094 50.1)
-
Step 600
600
#A26038
oklch(55.5% 0.102 50.6)
-
Step 700
700
#8B4F2A
oklch(49.1% 0.095 50.6)
-
Step 800
800
#714124
oklch(42.7% 0.079 50.5)
-
Step 900
900
#5B3822
oklch(37.7% 0.061 52.1)
-
Step 950
950 (this color)
#2B170B
oklch(22.9% 0.039 50.8)
#2B170B 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) | #1D190A | 0.031 |
| Deuteranopia (no green cones) | #211E0B | 0.031 |
| Tritanopia (no blue cones) | #301314 | 0.025 |
| Achromatopsia (no color) | #1C1C1C | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B170B
#2B170B
oklch(22.9% 0.039 50.8)
- #06202B
#06202B
oklch(23% 0.038 229.4)
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 #2B170B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.031
- Chocolate Brown #411900 ΔE 0.053
- Jet #212529 ΔE 0.058
- Deep Brown #410200 ΔE 0.060
- Dark Maroon #3C0008 ΔE 0.060
- Dark #1B2431 ΔE 0.071
- Rich Black #0D1B2A ΔE 0.074
- Mahogany #4A0100 ΔE 0.076
Use #2B170B 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.