#3F280F
Closest named color: Chocolate Brown (#411900). oklch(29.9% 0.051 65.8), rgb(63, 40, 15).
Aa
White text reads best on this color (13.79:1).
About this color
#3F280F is a dark, muted brown. In OKLCH its lightness is 30%, its chroma 0.051 and its hue 66°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.040 away. White text reads best on it, at 13.79:1.
| Hue family | Browns |
| Lightness | dark (30%) |
| Chroma | muted (0.051) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.52:1 |
| White text | 13.79:1 |
Values
| HEX | #3F280F |
| RGB | rgb(63, 40, 15) |
| HSL | hsl(31, 62%, 15%) |
| OKLCH | oklch(29.9% 0.051 65.8) |
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 #3F280F | 13.79:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #3F280F | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #3F280F text on white | 13.79:1 | AAA | Lc 100.3 | Preferred for body text |
| #3F280F 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
#F9F4F0
oklch(97% 0.008 61.5)
-
Step 100
100
#F2E8DE
oklch(93.6% 0.017 67.6)
-
Step 200
200
#E9D5C2
oklch(88.4% 0.034 65.9)
-
Step 300
300
#DCB998
oklch(80.8% 0.06 65.1)
-
Step 400
400
#CA945D
oklch(70.7% 0.097 65.7)
-
Step 500
500
#BB7829
oklch(63% 0.123 65.8)
-
Step 600
600
#A36200
oklch(55.6% 0.124 66.2)
-
Step 700
700
#8A5200
oklch(49.2% 0.11 66)
-
Step 800
800
#714200
oklch(42.6% 0.095 65.8)
-
Step 900
900
#5E3705
oklch(37.6% 0.081 65.4)
-
Step 950
950 (this color)
#3F280F
oklch(29.9% 0.051 65.8)
#3F280F 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) | #2F2A0C | 0.033 |
| Deuteranopia (no green cones) | #352F0F | 0.029 |
| Tritanopia (no blue cones) | #452322 | 0.038 |
| Achromatopsia (no color) | #2D2D2D | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F280F
#3F280F
oklch(29.9% 0.051 65.8)
- #163046
#163046
oklch(30% 0.051 246.2)
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 #3F280F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.040
- Dark Brown #341C02 ΔE 0.046
- Pakistan Green #283618 ΔE 0.056
- Jet #212529 ΔE 0.071
- Dark Olive #373E02 ΔE 0.076
- Onyx #343A40 ΔE 0.079
- Mahogany #4A0100 ΔE 0.081
- Gunmetal #293241 ΔE 0.082
Use #3F280F 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.