#3F1D02
Closest named color: Chocolate Brown (#411900). oklch(27.4% 0.065 54.8), rgb(63, 29, 2).
Aa
White text reads best on this color (15.12:1).
About this color
#3F1D02 is a dark, muted brown. In OKLCH its lightness is 27%, its chroma 0.065 and its hue 55°. 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 15.12:1.
| Hue family | Browns |
| Lightness | dark (27%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.38:1 |
| White text | 15.12:1 |
Values
| HEX | #3F1D02 |
| RGB | rgb(63, 29, 2) |
| HSL | hsl(27, 94%, 13%) |
| OKLCH | oklch(27.4% 0.065 54.8) |
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 #3F1D02 | 15.12:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #3F1D02 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #3F1D02 text on white | 15.12:1 | AAA | Lc 101.7 | Preferred for body text |
| #3F1D02 text on black | 1.38:1 | 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
#FBF4EF
oklch(97.1% 0.01 58.2)
-
Step 100
100
#F6E6DC
oklch(93.5% 0.022 54.3)
-
Step 200
200
#F1D2BF
oklch(88.5% 0.043 53.5)
-
Step 300
300
#E8B491
oklch(80.9% 0.077 55.3)
-
Step 400
400
#DB8A50
oklch(70.6% 0.124 54.8)
-
Step 500
500
#CF6A00
oklch(63.1% 0.157 54.7)
-
Step 600
600
#AF5900
oklch(55.7% 0.138 55)
-
Step 700
700
#944A00
oklch(49.2% 0.122 54.7)
-
Step 800
800
#7A3C00
oklch(42.8% 0.106 54.9)
-
Step 900
900
#663100
oklch(37.7% 0.094 54.7)
-
Step 950
950 (this color)
#3F1D02
oklch(27.4% 0.065 54.8)
#3F1D02 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) | #272100 | 0.053 |
| Deuteranopia (no green cones) | #2F2902 | 0.048 |
| Tritanopia (no blue cones) | #461518 | 0.043 |
| Achromatopsia (no color) | #262626 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1D02
#3F1D02
oklch(27.4% 0.065 54.8)
- #002B3F
#002B3F
oklch(27.3% 0.058 234.7)
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 #3F1D02, 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 0.025
- Mahogany #4A0100 ΔE 0.056
- Deep Brown #410200 ΔE 0.057
- Dark Maroon #3C0008 ΔE 0.071
- Jet #212529 ΔE 0.075
- Pakistan Green #283618 ΔE 0.082
- Dark #1B2431 ΔE 0.093
Use #3F1D02 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.