#3F500B
Closest named color: Navy Green (#35530A). oklch(40.3% 0.092 123.2), rgb(63, 80, 11).
Aa
White text reads best on this color (8.88:1).
About this color
#3F500B is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.092 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 0.016 away. White text reads best on it, at 8.88:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.36:1 |
| White text | 8.88:1 |
Values
| HEX | #3F500B |
| RGB | rgb(63, 80, 11) |
| HSL | hsl(75, 76%, 18%) |
| OKLCH | oklch(40.3% 0.092 123.2) |
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 #3F500B | 8.88:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #3F500B | 2.36:1 | Fails | Lc 13.7 | Not readable |
| #3F500B text on white | 8.88:1 | AAA | Lc 90.2 | Preferred for body text |
| #3F500B text on black | 2.36:1 | Fails | Lc -12.1 | 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
#E8ECE0
oklch(93.7% 0.017 121.8)
-
Step 200
200
#D5DDC7
oklch(88.5% 0.031 123.3)
-
Step 300
300
#BAC7A1
oklch(81% 0.054 122.9)
-
Step 400
400
#96AA6D
oklch(70.7% 0.086 123.4)
-
Step 500
500
#7D9444
oklch(63.1% 0.11 122.9)
-
Step 600
600
#667E22
oklch(55.6% 0.12 123.1)
-
Step 700
700
#556A14
oklch(49% 0.111 122.9)
-
Step 800
800 (this color)
#3F500B
oklch(40.3% 0.092 123.2)
-
Step 900
900
#3A4819
oklch(37.8% 0.072 123.8)
-
Step 950
950
#222A10
oklch(27% 0.045 123.5)
#3F500B 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) | #554A00 | 0.037 |
| Deuteranopia (no green cones) | #534A12 | 0.038 |
| Tritanopia (no blue cones) | #434B43 | 0.077 |
| Achromatopsia (no color) | #4A4A4A | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F500B
#3F500B
oklch(40.3% 0.092 123.2)
- #533A71
#533A71
oklch(40.2% 0.093 303.5)
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 #3F500B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.016
- Green Brown #544E03 ΔE 0.033
- Army Green #4B5D16 ΔE 0.046
- Pine #2B5D34 ΔE 0.048
- Forest #0B5509 ΔE 0.050
- Deep Green #02590F ΔE 0.054
- Camouflage Green #4B6113 ΔE 0.057
- Dark Olive #373E02 ΔE 0.060
Use #3F500B 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.