#3F3715
Closest named color: Dark Olive (#373E02). oklch(33.7% 0.052 96.2), rgb(63, 55, 21).
Aa
White text reads best on this color (11.87:1).
About this color
#3F3715 is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.052 and its hue 96°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.036 away. White text reads best on it, at 11.87:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.76:1 |
| White text | 11.87:1 |
Values
| HEX | #3F3715 |
| RGB | rgb(63, 55, 21) |
| HSL | hsl(49, 50%, 16%) |
| OKLCH | oklch(33.7% 0.052 96.2) |
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 #3F3715 | 11.87:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #3F3715 | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #3F3715 text on white | 11.87:1 | AAA | Lc 97.2 | Preferred for body text |
| #3F3715 text on black | 1.76:1 | 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
#ECEAE2
oklch(93.6% 0.011 95.2)
-
Step 200
200
#DDD9CA
oklch(88.4% 0.021 94.5)
-
Step 300
300
#C8C1A5
oklch(80.9% 0.039 95.5)
-
Step 400
400
#ACA174
oklch(70.7% 0.063 96)
-
Step 500
500
#978A50
oklch(63.2% 0.079 97.1)
-
Step 600
600
#827333
oklch(55.6% 0.086 96.3)
-
Step 700
700
#6E6025
oklch(49% 0.08 95.9)
-
Step 800
800
#5A4F20
oklch(42.8% 0.067 96.2)
-
Step 900
900 (this color)
#3F3715
oklch(33.7% 0.052 96.2)
-
Step 950
950
#2B2613
oklch(26.9% 0.033 95.1)
#3F3715 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) | #3D3612 | 0.006 |
| Deuteranopia (no green cones) | #3F3817 | 0.003 |
| Tritanopia (no blue cones) | #44332F | 0.046 |
| Achromatopsia (no color) | #373737 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F3715
#3F3715
oklch(33.7% 0.052 96.2)
- #303552
#303552
oklch(33.8% 0.051 275.8)
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 #3F3715, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.036
- Pakistan Green #283618 ΔE 0.039
- Onyx #343A40 ΔE 0.064
- Charcoal Grey #3C4142 ΔE 0.065
- Evergreen #05472A ΔE 0.073
- Forrest Green #154406 ΔE 0.074
- Hunter Green #0B4008 ΔE 0.075
- Pine Green #0A481E ΔE 0.076
Use #3F3715 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.