#3F1D0B
Closest named color: Chocolate Brown (#411900). oklch(27.5% 0.06 46.6), rgb(63, 29, 11).
Aa
White text reads best on this color (15.08:1).
About this color
#3F1D0B is a dark, muted brown. In OKLCH its lightness is 28%, its chroma 0.060 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.014 away. White text reads best on it, at 15.08:1.
| Hue family | Browns |
| Lightness | dark (28%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.39:1 |
| White text | 15.08:1 |
Values
| HEX | #3F1D0B |
| RGB | rgb(63, 29, 11) |
| HSL | hsl(21, 70%, 15%) |
| OKLCH | oklch(27.5% 0.06 46.6) |
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 #3F1D0B | 15.08:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #3F1D0B | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #3F1D0B text on white | 15.08:1 | AAA | Lc 101.7 | Preferred for body text |
| #3F1D0B text on black | 1.39:1 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#F0D2C4
oklch(88.5% 0.039 46.6)
-
Step 300
300
#E8B39A
oklch(80.9% 0.071 46.5)
-
Step 400
400
#DB8961
oklch(70.7% 0.115 46.4)
-
Step 500
500
#CF6932
oklch(63.2% 0.146 46.4)
-
Step 600
600
#B94F00
oklch(55.7% 0.155 46.7)
-
Step 700
700
#9C4100
oklch(49% 0.137 46.5)
-
Step 800
800
#813500
oklch(42.8% 0.119 46.8)
-
Step 900
900
#692E0C
oklch(37.7% 0.095 46.3)
-
Step 950
950 (this color)
#3F1D0B
oklch(27.5% 0.06 46.6)
#3F1D0B 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) | #262209 | 0.055 |
| Deuteranopia (no green cones) | #2F290A | 0.048 |
| Tritanopia (no blue cones) | #461619 | 0.034 |
| Achromatopsia (no color) | #262626 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1D0B
#3F1D0B
oklch(27.5% 0.06 46.6)
- #002D3C
#002D3C
oklch(27.7% 0.053 226.3)
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 #3F1D0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.014
- Dark Brown #341C02 ΔE 0.029
- Mahogany #4A0100 ΔE 0.053
- Deep Brown #410200 ΔE 0.055
- Dark Maroon #3C0008 ΔE 0.067
- Jet #212529 ΔE 0.070
- Pakistan Green #283618 ΔE 0.083
- Dark #1B2431 ΔE 0.087
Use #3F1D0B 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.