#3F371F
Closest named color: Pakistan Green (#283618). oklch(33.9% 0.04 91.7), rgb(63, 55, 31).
Aa
White text reads best on this color (11.81:1).
About this color
#3F371F is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.040 and its hue 92°. Its hue sits on the warm side of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.042 away. White text reads best on it, at 11.81:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.77:1 |
| White text | 11.81:1 |
Values
| HEX | #3F371F |
| RGB | rgb(63, 55, 31) |
| HSL | hsl(45, 34%, 18%) |
| OKLCH | oklch(33.9% 0.04 91.7) |
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 #3F371F | 11.81:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #3F371F | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #3F371F text on white | 11.81:1 | AAA | Lc 97.1 | Preferred for body text |
| #3F371F text on black | 1.77:1 | 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 900.
-
Step 50
50
#F6F5F2
oklch(97% 0.004 91.4)
-
Step 100
100
#ECEAE3
oklch(93.7% 0.01 93.6)
-
Step 200
200
#DDD9CD
oklch(88.5% 0.017 91.6)
-
Step 300
300
#C7C0AB
oklch(80.8% 0.03 91.7)
-
Step 400
400
#ABA07F
oklch(70.7% 0.048 91.8)
-
Step 500
500
#97895F
oklch(63.2% 0.061 91.8)
-
Step 600
600
#817245
oklch(55.5% 0.066 91.6)
-
Step 700
700
#6D6036
oklch(49.1% 0.062 92.7)
-
Step 800
800
#594E2D
oklch(42.6% 0.051 91.6)
-
Step 900
900 (this color)
#3F371F
oklch(33.9% 0.04 91.7)
-
Step 950
950
#2B2618
oklch(27% 0.025 90.7)
#3F371F 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) | #3C361D | 0.007 |
| Deuteranopia (no green cones) | #3E3920 | 0.006 |
| Tritanopia (no blue cones) | #443331 | 0.037 |
| Achromatopsia (no color) | #383838 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F371F
#3F371F
oklch(33.9% 0.04 91.7)
- #30364C
#30364C
oklch(33.7% 0.04 272.4)
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 #3F371F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.042
- Dark Olive #373E02 ΔE 0.046
- Onyx #343A40 ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.054
- Gunmetal #293241 ΔE 0.073
- Evergreen #05472A ΔE 0.074
- Pine Green #0A481E ΔE 0.080
- Forrest Green #154406 ΔE 0.081
Use #3F371F 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.