#3F4C03
Closest named color: Navy Green (#35530A). oklch(39.1% 0.091 120.4), rgb(63, 76, 3).
Aa
White text reads best on this color (9.34:1).
About this color
#3F4C03 is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.091 and its hue 120°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.024 away. White text reads best on it, at 9.34:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.24:1 |
| White text | 9.34:1 |
Values
| HEX | #3F4C03 |
| RGB | rgb(63, 76, 3) |
| HSL | hsl(71, 92%, 15%) |
| OKLCH | oklch(39.1% 0.091 120.4) |
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 #3F4C03 | 9.34:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #3F4C03 | 2.24:1 | Fails | Lc 12.5 | Not readable |
| #3F4C03 text on white | 9.34:1 | AAA | Lc 91.5 | Preferred for body text |
| #3F4C03 text on black | 2.24:1 | Fails | Lc -10.9 | 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
#E8ECDE
oklch(93.6% 0.019 119.8)
-
Step 200
200
#D5DDC2
oklch(88.4% 0.037 120.6)
-
Step 300
300
#BAC896
oklch(80.9% 0.069 120.7)
-
Step 400
400
#97AB59
oklch(70.7% 0.11 120.6)
-
Step 500
500
#7E951E
oklch(63% 0.14 120.5)
-
Step 600
600
#697E00
oklch(55.6% 0.133 120.6)
-
Step 700
700
#586A00
oklch(49.2% 0.117 120.6)
-
Step 800
800
#485700
oklch(42.9% 0.102 120.5)
-
Step 900
900 (this color)
#3F4C03
oklch(39.1% 0.091 120.4)
-
Step 950
950
#232A05
oklch(26.9% 0.057 119.6)
#3F4C03 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) | #524700 | 0.034 |
| Deuteranopia (no green cones) | #50470B | 0.033 |
| Tritanopia (no blue cones) | #43473F | 0.077 |
| Achromatopsia (no color) | #474747 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F4C03
#3F4C03
oklch(39.1% 0.091 120.4)
- #4E386E
#4E386E
oklch(39.1% 0.091 301.1)
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 #3F4C03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.024
- Green Brown #544E03 ΔE 0.036
- Dark Olive #373E02 ΔE 0.048
- Forest #0B5509 ΔE 0.053
- Army Green #4B5D16 ΔE 0.057
- Pine #2B5D34 ΔE 0.059
- Pine Green #0A481E ΔE 0.059
- Bottle Green #044A05 ΔE 0.059
Use #3F4C03 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.