#3F5103
Closest named color: Navy Green (#35530A). oklch(40.5% 0.098 123.3), rgb(63, 81, 3).
Aa
White text reads best on this color (8.78:1).
About this color
#3F5103 is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.098 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 0.013 away. White text reads best on it, at 8.78:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.38:1 |
| White text | 8.78:1 |
Values
| HEX | #3F5103 |
| RGB | rgb(63, 81, 3) |
| HSL | hsl(74, 93%, 16%) |
| OKLCH | oklch(40.5% 0.098 123.3) |
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 #3F5103 | 8.78:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #3F5103 | 2.38:1 | Fails | Lc 14.1 | Not readable |
| #3F5103 text on white | 8.78:1 | AAA | Lc 89.9 | Fine for body text |
| #3F5103 text on black | 2.38:1 | Fails | Lc -12.3 | 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 800.
-
Step 50
50
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE0
oklch(93.6% 0.017 125.3)
-
Step 200
200
#D5DDC6
oklch(88.5% 0.032 122.7)
-
Step 300
300
#B9C79F
oklch(80.8% 0.057 123.3)
-
Step 400
400
#95AA69
oklch(70.6% 0.092 123.3)
-
Step 500
500
#7C953F
oklch(63.2% 0.117 123.3)
-
Step 600
600
#657F18
oklch(55.7% 0.127 123.4)
-
Step 700
700
#546B06
oklch(49.1% 0.118 123.3)
-
Step 800
800 (this color)
#3F5103
oklch(40.5% 0.098 123.3)
-
Step 900
900
#3A4815
oklch(37.7% 0.076 123.1)
-
Step 950
950
#222A0E
oklch(27% 0.047 122.9)
#3F5103 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) | #564B00 | 0.040 |
| Deuteranopia (no green cones) | #544A0C | 0.041 |
| Tritanopia (no blue cones) | #434C44 | 0.082 |
| Achromatopsia (no color) | #4B4B4B | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F5103
#3F5103
oklch(40.5% 0.098 123.3)
- #543A74
#543A74
oklch(40.5% 0.098 303)
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 #3F5103, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.013
- Green Brown #544E03 ΔE 0.034
- Army Green #4B5D16 ΔE 0.043
- Forest #0B5509 ΔE 0.048
- Pine #2B5D34 ΔE 0.049
- Deep Green #02590F ΔE 0.051
- Camouflage Green #4B6113 ΔE 0.054
- Spruce #0A5F38 ΔE 0.061
Use #3F5103 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.