#3F310F
Closest named color: Pakistan Green (#283618). oklch(32.1% 0.053 86.4), rgb(63, 49, 15).
Aa
White text reads best on this color (12.66:1).
About this color
#3F310F is a dark, muted brown. In OKLCH its lightness is 32%, its chroma 0.053 and its hue 86°. Its hue sits on the warm side of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.040 away. White text reads best on it, at 12.66:1.
| Hue family | Browns |
| Lightness | dark (32%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.65:1 |
| White text | 12.66:1 |
Values
| HEX | #3F310F |
| RGB | rgb(63, 49, 15) |
| HSL | hsl(43, 62%, 15%) |
| OKLCH | oklch(32.1% 0.053 86.4) |
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 #3F310F | 12.66:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #3F310F | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #3F310F text on white | 12.66:1 | AAA | Lc 98.6 | Preferred for body text |
| #3F310F text on black | 1.65:1 | 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
#F8F5EF
oklch(97.1% 0.009 84.6)
-
Step 100
100
#EFE9DC
oklch(93.5% 0.018 86.1)
-
Step 200
200
#E3D8C0
oklch(88.5% 0.034 86.3)
-
Step 300
300
#D3BE92
oklch(80.8% 0.063 85.4)
-
Step 400
400
#BC9C52
oklch(70.6% 0.101 86.3)
-
Step 500
500
#AB8302
oklch(63.1% 0.129 86.9)
-
Step 600
600
#906D00
oklch(55.4% 0.113 86.3)
-
Step 700
700
#7A5C00
oklch(49.2% 0.101 86.4)
-
Step 800
800
#644B00
oklch(42.8% 0.087 86.6)
-
Step 900
900
#533E00
oklch(37.6% 0.077 86.9)
-
Step 950
950 (this color)
#3F310F
oklch(32.1% 0.053 86.4)
#3F310F 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) | #38310B | 0.015 |
| Deuteranopia (no green cones) | #3B3410 | 0.011 |
| Tritanopia (no blue cones) | #452C2A | 0.049 |
| Achromatopsia (no color) | #333333 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F310F
#3F310F
oklch(32.1% 0.053 86.4)
- #26324E
#26324E
oklch(32% 0.053 265.8)
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 #3F310F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.040
- Dark Olive #373E02 ΔE 0.048
- Chocolate Brown #411900 ΔE 0.067
- Onyx #343A40 ΔE 0.070
- Dark Brown #341C02 ΔE 0.071
- Charcoal Grey #3C4142 ΔE 0.076
- Hunter Green #0B4008 ΔE 0.083
- Gunmetal #293241 ΔE 0.083
Use #3F310F 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.