#3F4302
Closest named color: Dark Olive (#373E02). oklch(36.7% 0.081 113.6), rgb(63, 67, 2).
Aa
White text reads best on this color (10.42:1).
About this color
#3F4302 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.081 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.022 away. White text reads best on it, at 10.42:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.01:1 |
| White text | 10.42:1 |
Values
| HEX | #3F4302 |
| RGB | rgb(63, 67, 2) |
| HSL | hsl(64, 94%, 14%) |
| OKLCH | oklch(36.7% 0.081 113.6) |
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 #3F4302 | 10.42:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #3F4302 | 2.01:1 | Fails | Lc 9.9 | Not readable |
| #3F4302 text on white | 10.42:1 | AAA | Lc 94.1 | Preferred for body text |
| #3F4302 text on black | 2.01:1 | Fails | Lc -8.5 | 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
#E9EBDE
oklch(93.5% 0.017 113.8)
-
Step 200
200
#D8DCC3
oklch(88.5% 0.034 114.5)
-
Step 300
300
#C0C599
oklch(80.8% 0.06 113)
-
Step 400
400
#A0A75E
oklch(70.6% 0.097 113.4)
-
Step 500
500
#89912A
oklch(63% 0.124 113.8)
-
Step 600
600
#747A00
oklch(55.6% 0.124 113.2)
-
Step 700
700
#616700
oklch(49.2% 0.11 113.7)
-
Step 800
800
#4F5400
oklch(42.7% 0.096 113.7)
-
Step 900
900 (this color)
#3F4302
oklch(36.7% 0.081 113.6)
-
Step 950
950
#262908
oklch(27% 0.051 114.2)
#3F4302 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) | #493F00 | 0.020 |
| Deuteranopia (no green cones) | #494008 | 0.021 |
| Tritanopia (no blue cones) | #443E38 | 0.072 |
| Achromatopsia (no color) | #404040 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F4302
#3F4302
oklch(36.7% 0.081 113.6)
- #413565
#413565
oklch(36.6% 0.081 293.5)
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 #3F4302, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.022
- Navy Green #35530A ΔE 0.050
- Green Brown #544E03 ΔE 0.052
- Forrest Green #154406 ΔE 0.053
- Pine Green #0A481E ΔE 0.055
- British Racing Green #05480D ΔE 0.059
- Darkgreen #054907 ΔE 0.060
- Bottle Green #044A05 ΔE 0.062
Use #3F4302 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.