#3F4F0F
Closest named color: Navy Green (#35530A). oklch(40% 0.088 122.9), rgb(63, 79, 15).
Aa
White text reads best on this color (8.98:1).
About this color
#3F4F0F is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.088 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.019 away. White text reads best on it, at 8.98:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.33:1 |
| White text | 8.98:1 |
Values
| HEX | #3F4F0F |
| RGB | rgb(63, 79, 15) |
| HSL | hsl(75, 68%, 18%) |
| OKLCH | oklch(40% 0.088 122.9) |
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 #3F4F0F | 8.98:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #3F4F0F | 2.33:1 | Fails | Lc 13.4 | Not readable |
| #3F4F0F text on white | 8.98:1 | AAA | Lc 90.5 | Preferred for body text |
| #3F4F0F text on black | 2.33:1 | Fails | Lc -11.8 | 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
#F4F6F0
oklch(97% 0.008 121.6)
-
Step 100
100
#E7ECDE
oklch(93.5% 0.019 122.8)
-
Step 200
200
#D4DEC3
oklch(88.6% 0.038 123.7)
-
Step 300
300
#B8C899
oklch(80.8% 0.066 123.1)
-
Step 400
400
#94AB5F
oklch(70.6% 0.105 122.9)
-
Step 500
500
#7A962A
oklch(63.1% 0.136 123.1)
-
Step 600
600
#657F00
oklch(55.6% 0.136 122.8)
-
Step 700
700
#546B00
oklch(49.1% 0.121 123.1)
-
Step 800
800
#455700
oklch(42.6% 0.104 122.4)
-
Step 900
900 (this color)
#3F4F0F
oklch(40% 0.088 122.9)
-
Step 950
950
#212B08
oklch(27.1% 0.056 123.8)
#3F4F0F 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) | #544A04 | 0.035 |
| Deuteranopia (no green cones) | #524915 | 0.037 |
| Tritanopia (no blue cones) | #434B43 | 0.073 |
| Achromatopsia (no color) | #494949 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F4F0F
#3F4F0F
oklch(40% 0.088 122.9)
- #513B6F
#513B6F
oklch(40.1% 0.088 302.1)
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 #3F4F0F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.019
- Green Brown #544E03 ΔE 0.033
- Army Green #4B5D16 ΔE 0.049
- Pine #2B5D34 ΔE 0.049
- Forest #0B5509 ΔE 0.052
- Dark Olive #373E02 ΔE 0.057
- Deep Green #02590F ΔE 0.057
- Camouflage Green #4B6113 ΔE 0.061
Use #3F4F0F 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.