#3F2901
Closest named color: Chocolate Brown (#411900). oklch(30% 0.062 77), rgb(63, 41, 1).
Aa
White text reads best on this color (13.73:1).
About this color
#3F2901 is a dark, muted brown. In OKLCH its lightness is 30%, its chroma 0.062 and its hue 77°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.045 away. White text reads best on it, at 13.73:1.
| Hue family | Browns |
| Lightness | dark (30%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.52:1 |
| White text | 13.73:1 |
Values
| HEX | #3F2901 |
| RGB | rgb(63, 41, 1) |
| HSL | hsl(39, 97%, 13%) |
| OKLCH | oklch(30% 0.062 77) |
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 #3F2901 | 13.73:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #3F2901 | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #3F2901 text on white | 13.73:1 | AAA | Lc 100.1 | Preferred for body text |
| #3F2901 text on black | 1.52:1 | 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
#F9F5EE
oklch(97.1% 0.01 81.8)
-
Step 100
100
#F2E8DB
oklch(93.5% 0.02 74.7)
-
Step 200
200
#E9D6BC
oklch(88.5% 0.041 75.8)
-
Step 300
300
#DCBB8B
oklch(80.9% 0.074 76.7)
-
Step 400
400
#C99643
oklch(70.6% 0.117 76.9)
-
Step 500
500
#B67D00
oklch(63.2% 0.132 76.8)
-
Step 600
600
#996900
oklch(55.7% 0.116 77.3)
-
Step 700
700
#815800
oklch(49.2% 0.103 77.4)
-
Step 800
800
#6A4700
oklch(42.6% 0.089 76.7)
-
Step 900
900
#593B00
oklch(37.8% 0.079 76.7)
-
Step 950
950 (this color)
#3F2901
oklch(30% 0.062 77)
#3F2901 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) | #312A00 | 0.029 |
| Deuteranopia (no green cones) | #362F02 | 0.025 |
| Tritanopia (no blue cones) | #462322 | 0.053 |
| Achromatopsia (no color) | #2D2D2D | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2901
#3F2901
oklch(30% 0.062 77)
- #182E4C
#182E4C
oklch(29.9% 0.062 256.6)
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 #3F2901, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.045
- Dark Brown #341C02 ΔE 0.049
- Pakistan Green #283618 ΔE 0.053
- Dark Olive #373E02 ΔE 0.067
- Jet #212529 ΔE 0.081
- Very Dark Green #062E03 ΔE 0.087
- Onyx #343A40 ΔE 0.087
- Mahogany #4A0100 ΔE 0.088
Use #3F2901 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.