#3F1D09
Closest named color: Chocolate Brown (#411900). oklch(27.5% 0.061 48.4), rgb(63, 29, 9).
Aa
White text reads best on this color (15.09:1).
About this color
#3F1D09 is a dark, muted brown. In OKLCH its lightness is 27%, its chroma 0.061 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.012 away. White text reads best on it, at 15.09:1.
| Hue family | Browns |
| Lightness | dark (27%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.39:1 |
| White text | 15.09:1 |
Values
| HEX | #3F1D09 |
| RGB | rgb(63, 29, 9) |
| HSL | hsl(22, 75%, 14%) |
| OKLCH | oklch(27.5% 0.061 48.4) |
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 #3F1D09 | 15.09:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #3F1D09 | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #3F1D09 text on white | 15.09:1 | AAA | Lc 101.7 | Preferred for body text |
| #3F1D09 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
#F6E6DE
oklch(93.6% 0.021 48.5)
-
Step 200
200
#F0D2C3
oklch(88.5% 0.039 48.3)
-
Step 300
300
#E8B398
oklch(80.8% 0.072 48.3)
-
Step 400
400
#DB8A5E
oklch(70.8% 0.116 48.7)
-
Step 500
500
#CF692B
oklch(63.1% 0.148 48.3)
-
Step 600
600
#B65100
oklch(55.5% 0.15 48.4)
-
Step 700
700
#9A4400
oklch(49.2% 0.132 48.7)
-
Step 800
800
#7F3600
oklch(42.6% 0.116 48.2)
-
Step 900
900
#692E07
oklch(37.7% 0.097 48)
-
Step 950
950 (this color)
#3F1D09
oklch(27.5% 0.061 48.4)
#3F1D09 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) | #272207 | 0.053 |
| Deuteranopia (no green cones) | #2F2909 | 0.048 |
| Tritanopia (no blue cones) | #461619 | 0.036 |
| Achromatopsia (no color) | #262626 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1D09
#3F1D09
oklch(27.5% 0.061 48.4)
- #002C3C
#002C3C
oklch(27.4% 0.054 228.4)
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 #3F1D09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.012
- Dark Brown #341C02 ΔE 0.028
- Mahogany #4A0100 ΔE 0.053
- Deep Brown #410200 ΔE 0.055
- Dark Maroon #3C0008 ΔE 0.068
- Jet #212529 ΔE 0.071
- Pakistan Green #283618 ΔE 0.083
- Dark #1B2431 ΔE 0.088
Use #3F1D09 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.