#3F4A01
Closest named color: Navy Green (#35530A). oklch(38.6% 0.09 119), rgb(63, 74, 1).
Aa
White text reads best on this color (9.58:1).
About this color
#3F4A01 is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.090 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.029 away. White text reads best on it, at 9.58:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.19:1 |
| White text | 9.58:1 |
Values
| HEX | #3F4A01 |
| RGB | rgb(63, 74, 1) |
| HSL | hsl(69, 97%, 15%) |
| OKLCH | oklch(38.6% 0.09 119) |
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 #3F4A01 | 9.58:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #3F4A01 | 2.19:1 | Fails | Lc 11.9 | Not readable |
| #3F4A01 text on white | 9.58:1 | AAA | Lc 92.0 | Preferred for body text |
| #3F4A01 text on black | 2.19:1 | Fails | Lc -10.4 | 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
#E8ECDE
oklch(93.6% 0.019 119.8)
-
Step 200
200
#D6DDC2
oklch(88.5% 0.037 119)
-
Step 300
300
#BBC796
oklch(80.8% 0.067 119.1)
-
Step 400
400
#99AA59
oklch(70.6% 0.108 119)
-
Step 500
500
#81941E
oklch(63% 0.138 118.8)
-
Step 600
600
#6C7D00
oklch(55.6% 0.13 118.8)
-
Step 700
700
#5A6900
oklch(49.1% 0.115 119)
-
Step 800
800
#495600
oklch(42.7% 0.101 119.3)
-
Step 900
900 (this color)
#3F4A01
oklch(38.6% 0.09 119)
-
Step 950
950
#242A05
oklch(27% 0.057 118.3)
#3F4A01 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) | #504500 | 0.031 |
| Deuteranopia (no green cones) | #4E4509 | 0.031 |
| Tritanopia (no blue cones) | #44453E | 0.078 |
| Achromatopsia (no color) | #454545 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F4A01
#3F4A01
oklch(38.6% 0.09 119)
- #4B376D
#4B376D
oklch(38.5% 0.091 299.2)
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 #3F4A01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.029
- Green Brown #544E03 ΔE 0.038
- Dark Olive #373E02 ΔE 0.042
- Forest #0B5509 ΔE 0.056
- Pine Green #0A481E ΔE 0.057
- Forrest Green #154406 ΔE 0.058
- Bottle Green #044A05 ΔE 0.058
- Darkgreen #054907 ΔE 0.058
Use #3F4A01 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.