#3F4709
Closest named color: Dark Olive (#373E02). oklch(37.8% 0.081 117.1), rgb(63, 71, 9).
Aa
White text reads best on this color (9.92:1).
About this color
#3F4709 is a dark, moderately saturated brown. In OKLCH its lightness is 38%, its chroma 0.081 and its hue 117°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.033 away. White text reads best on it, at 9.92:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.11:1 |
| White text | 9.92:1 |
Values
| HEX | #3F4709 |
| RGB | rgb(63, 71, 9) |
| HSL | hsl(68, 78%, 16%) |
| OKLCH | oklch(37.8% 0.081 117.1) |
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 #3F4709 | 9.92:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #3F4709 | 2.11:1 | Fails | Lc 11.0 | Not readable |
| #3F4709 text on white | 9.92:1 | AAA | Lc 92.9 | Preferred for body text |
| #3F4709 text on black | 2.11:1 | Fails | Lc -9.5 | 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
#F5F6F0
oklch(97.1% 0.008 114.2)
-
Step 100
100
#E9ECDF
oklch(93.7% 0.018 117.3)
-
Step 200
200
#D7DCC4
oklch(88.4% 0.033 116.6)
-
Step 300
300
#BDC69A
oklch(80.8% 0.06 117.2)
-
Step 400
400
#9CA960
oklch(70.8% 0.098 117.3)
-
Step 500
500
#84932E
oklch(63.1% 0.125 117.4)
-
Step 600
600
#6F7C00
oklch(55.6% 0.128 116.8)
-
Step 700
700
#5D6800
oklch(49.1% 0.113 116.8)
-
Step 800
800
#4C5500
oklch(42.7% 0.098 116.6)
-
Step 900
900 (this color)
#3F4709
oklch(37.8% 0.081 117.1)
-
Step 950
950
#252A09
oklch(27.2% 0.052 117.3)
#3F4709 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) | #4D4300 | 0.025 |
| Deuteranopia (no green cones) | #4C430F | 0.026 |
| Tritanopia (no blue cones) | #44423C | 0.072 |
| Achromatopsia (no color) | #434343 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F4709
#3F4709
oklch(37.8% 0.081 117.1)
- #473767
#473767
oklch(37.7% 0.081 297.7)
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 #3F4709, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.033
- Navy Green #35530A ΔE 0.039
- Green Brown #544E03 ΔE 0.043
- Pine Green #0A481E ΔE 0.055
- Forrest Green #154406 ΔE 0.055
- British Racing Green #05480D ΔE 0.059
- Mud Brown #60460F ΔE 0.060
- Darkgreen #054907 ΔE 0.060
Use #3F4709 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.