#3F4401
Closest named color: Dark Olive (#373E02). oklch(36.9% 0.083 114.4), rgb(63, 68, 1).
Aa
White text reads best on this color (10.30:1).
About this color
#3F4401 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.083 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 0.025 away. White text reads best on it, at 10.30:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.03:1 |
| White text | 10.30:1 |
Values
| HEX | #3F4401 |
| RGB | rgb(63, 68, 1) |
| HSL | hsl(64, 97%, 14%) |
| OKLCH | oklch(36.9% 0.083 114.4) |
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 #3F4401 | 10.30:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #3F4401 | 2.03:1 | Fails | Lc 10.1 | Not readable |
| #3F4401 text on white | 10.30:1 | AAA | Lc 93.8 | Preferred for body text |
| #3F4401 text on black | 2.03:1 | Fails | Lc -8.7 | 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
#BFC698
oklch(80.9% 0.062 114.8)
-
Step 400
400
#9FA85D
oklch(70.7% 0.099 114.6)
-
Step 500
500
#889227
oklch(63.2% 0.127 114.8)
-
Step 600
600
#727B00
oklch(55.6% 0.126 114.8)
-
Step 700
700
#606700
oklch(49.1% 0.111 114.3)
-
Step 800
800
#4E5400
oklch(42.6% 0.096 114.4)
-
Step 900
900 (this color)
#3F4401
oklch(36.9% 0.083 114.4)
-
Step 950
950
#262907
oklch(27% 0.052 114.2)
#3F4401 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) | #4A4000 | 0.022 |
| Deuteranopia (no green cones) | #4A4107 | 0.022 |
| Tritanopia (no blue cones) | #443F39 | 0.074 |
| Achromatopsia (no color) | #404040 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F4401
#3F4401
oklch(36.9% 0.083 114.4)
- #433666
#433666
oklch(37% 0.081 294.6)
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 #3F4401, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.025
- Navy Green #35530A ΔE 0.047
- Green Brown #544E03 ΔE 0.050
- Forrest Green #154406 ΔE 0.053
- Pine Green #0A481E ΔE 0.055
- British Racing Green #05480D ΔE 0.058
- Darkgreen #054907 ΔE 0.059
- Bottle Green #044A05 ΔE 0.060
Use #3F4401 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.