#2B170C
Closest named color: Dark Brown (#341C02). oklch(22.9% 0.038 48.9), rgb(43, 23, 12).
Aa
White text reads best on this color (17.06:1).
About this color
#2B170C is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.038 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.032 away. White text reads best on it, at 17.06:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.038) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.23:1 |
| White text | 17.06:1 |
Values
| HEX | #2B170C |
| RGB | rgb(43, 23, 12) |
| HSL | hsl(21, 56%, 11%) |
| OKLCH | oklch(22.9% 0.038 48.9) |
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 #2B170C | 17.06:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #2B170C | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #2B170C text on white | 17.06:1 | AAA | Lc 103.9 | Preferred for body text |
| #2B170C 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
#E8D5CB
oklch(88.6% 0.025 49.7)
-
Step 300
300
#DAB9A8
oklch(81% 0.045 48.9)
-
Step 400
400
#C69479
oklch(70.8% 0.072 49.5)
-
Step 500
500
#B77857
oklch(63.1% 0.092 48.2)
-
Step 600
600
#A2603C
oklch(55.6% 0.1 48.4)
-
Step 700
700
#8A4F2E
oklch(49% 0.092 48.7)
-
Step 800
800
#714127
oklch(42.7% 0.077 48.2)
-
Step 900
900
#5B3724
oklch(37.6% 0.06 48.1)
-
Step 950
950 (this color)
#2B170C
oklch(22.9% 0.038 48.9)
#2B170C 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) | #1C190B | 0.033 |
| Deuteranopia (no green cones) | #211E0C | 0.031 |
| Tritanopia (no blue cones) | #301314 | 0.024 |
| Achromatopsia (no color) | #1C1C1C | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B170C
#2B170C
oklch(22.9% 0.038 48.9)
- #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 #2B170C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.032
- Chocolate Brown #411900 ΔE 0.053
- Jet #212529 ΔE 0.057
- Dark Maroon #3C0008 ΔE 0.060
- Deep Brown #410200 ΔE 0.060
- Dark #1B2431 ΔE 0.070
- Rich Black #0D1B2A ΔE 0.073
- Mahogany #4A0100 ΔE 0.075
Use #2B170C 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.