#3F301B
Closest named color: Pakistan Green (#283618). oklch(32% 0.04 74.9), rgb(63, 48, 27).
Aa
White text reads best on this color (12.72:1).
About this color
#3F301B is a dark, muted brown. In OKLCH its lightness is 32%, its chroma 0.040 and its hue 75°. Its hue sits on the warm side of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.045 away. White text reads best on it, at 12.72:1.
| Hue family | Browns |
| Lightness | dark (32%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.64:1 |
| White text | 12.72:1 |
Values
| HEX | #3F301B |
| RGB | rgb(63, 48, 27) |
| HSL | hsl(35, 40%, 18%) |
| OKLCH | oklch(32% 0.04 74.9) |
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 #3F301B | 12.72:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #3F301B | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #3F301B text on white | 12.72:1 | AAA | Lc 98.8 | Preferred for body text |
| #3F301B text on black | 1.64:1 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E0
oklch(93.6% 0.014 78.3)
-
Step 200
200
#E4D7C7
oklch(88.5% 0.026 73.2)
-
Step 300
300
#D3BD9F
oklch(80.9% 0.048 75.5)
-
Step 400
400
#BD9A6B
oklch(70.7% 0.076 74.3)
-
Step 500
500
#AC8141
oklch(63.2% 0.097 75.3)
-
Step 600
600
#97691E
oklch(55.6% 0.105 74.7)
-
Step 700
700
#81570F
oklch(49.1% 0.098 74.3)
-
Step 800
800
#694811
oklch(42.8% 0.081 75.2)
-
Step 900
900
#553C17
oklch(37.6% 0.063 74.3)
-
Step 950
950 (this color)
#3F301B
oklch(32% 0.04 74.9)
#3F301B 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) | #363019 | 0.018 |
| Deuteranopia (no green cones) | #39341C | 0.016 |
| Tritanopia (no blue cones) | #442C2B | 0.034 |
| Achromatopsia (no color) | #333333 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F301B
#3F301B
oklch(32% 0.04 74.9)
- #253447
#253447
oklch(32.1% 0.04 254.7)
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 #3F301B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.045
- Onyx #343A40 ΔE 0.059
- Dark Olive #373E02 ΔE 0.060
- Chocolate Brown #411900 ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.068
- Dark Brown #341C02 ΔE 0.069
- Gunmetal #293241 ΔE 0.070
- Jet #212529 ΔE 0.076
Use #3F301B 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.