#3F1601
Closest named color: Chocolate Brown (#411900). oklch(26.1% 0.072 45.7), rgb(63, 22, 1).
Aa
White text reads best on this color (15.83:1).
About this color
#3F1601 is a dark, moderately saturated brown. In OKLCH its lightness is 26%, its chroma 0.072 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.010 away. White text reads best on it, at 15.83:1.
| Hue family | Browns |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.32:1 |
| White text | 15.83:1 |
Values
| HEX | #3F1601 |
| RGB | rgb(63, 22, 1) |
| HSL | hsl(20, 97%, 13%) |
| OKLCH | oklch(26.1% 0.072 45.7) |
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 #3F1601 | 15.83:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #3F1601 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #3F1601 text on white | 15.83:1 | AAA | Lc 102.4 | Preferred for body text |
| #3F1601 text on black | 1.32:1 | 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
#FCF3EF
oklch(97% 0.011 45.7)
-
Step 100
100
#F9E5DC
oklch(93.6% 0.025 45.9)
-
Step 200
200
#F5D0C0
oklch(88.5% 0.047 44.7)
-
Step 300
300
#F0B093
oklch(81% 0.085 45.4)
-
Step 400
400
#E58353
oklch(70.7% 0.136 45.9)
-
Step 500
500
#DB5F0E
oklch(63.2% 0.174 45.7)
-
Step 600
600
#BA4D00
oklch(55.5% 0.157 45.6)
-
Step 700
700
#9D4000
oklch(49% 0.139 45.7)
-
Step 800
800
#823400
oklch(42.8% 0.121 45.9)
-
Step 900
900
#6D2A00
oklch(37.7% 0.107 45.6)
-
Step 950
950 (this color)
#3F1601
oklch(26.1% 0.072 45.7)
#3F1601 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) | #221D00 | 0.067 |
| Deuteranopia (no green cones) | #2C2600 | 0.061 |
| Tritanopia (no blue cones) | #460C12 | 0.038 |
| Achromatopsia (no color) | #222222 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1601
#3F1601
oklch(26.1% 0.072 45.7)
- #002936
#002936
oklch(26.1% 0.049 224.5)
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 #3F1601, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.010
- Dark Brown #341C02 ΔE 0.028
- Deep Brown #410200 ΔE 0.039
- Mahogany #4A0100 ΔE 0.041
- Dark Maroon #3C0008 ΔE 0.053
- Jet #212529 ΔE 0.081
- Dark Plum #3F012C ΔE 0.094
- Dark #1B2431 ΔE 0.097
Use #3F1601 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.