#3F3E09
Closest named color: Dark Olive (#373E02). oklch(35.4% 0.07 108.4), rgb(63, 62, 9).
Aa
White text reads best on this color (11.02:1).
About this color
#3F3E09 is a dark, moderately saturated brown. In OKLCH its lightness is 35%, its chroma 0.070 and its hue 108°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.016 away. White text reads best on it, at 11.02:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.070) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.90:1 |
| White text | 11.02:1 |
Values
| HEX | #3F3E09 |
| RGB | rgb(63, 62, 9) |
| HSL | hsl(59, 75%, 14%) |
| OKLCH | oklch(35.4% 0.07 108.4) |
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 #3F3E09 | 11.02:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #3F3E09 | 1.90:1 | Fails | Lc 8.5 | Not readable |
| #3F3E09 text on white | 11.02:1 | AAA | Lc 95.4 | Preferred for body text |
| #3F3E09 text on black | 1.90:1 | Fails | Lc 0.0 | 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
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EAEBDF
oklch(93.6% 0.016 110.6)
-
Step 200
200
#DADBC5
oklch(88.5% 0.03 109.1)
-
Step 300
300
#C3C49D
oklch(80.9% 0.053 108.7)
-
Step 400
400
#A5A566
oklch(70.7% 0.084 108.4)
-
Step 500
500
#8F8E39
oklch(63% 0.107 108.5)
-
Step 600
600
#7A780B
oklch(55.7% 0.117 108.5)
-
Step 700
700
#676500
oklch(49.2% 0.106 108.4)
-
Step 800
800
#545205
oklch(42.7% 0.09 108)
-
Step 900
900 (this color)
#3F3E09
oklch(35.4% 0.07 108.4)
-
Step 950
950
#28280C
oklch(27% 0.044 109)
#3F3E09 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) | #443B01 | 0.012 |
| Deuteranopia (no green cones) | #453D0D | 0.012 |
| Tritanopia (no blue cones) | #443934 | 0.064 |
| Achromatopsia (no color) | #3C3C3C | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F3E09
#3F3E09
oklch(35.4% 0.07 108.4)
- #3A355E
#3A355E
oklch(35.4% 0.07 287.9)
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 #3F3E09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.016
- Pakistan Green #283618 ΔE 0.051
- Forrest Green #154406 ΔE 0.057
- Pine Green #0A481E ΔE 0.060
- Evergreen #05472A ΔE 0.063
- Hunter Green #0B4008 ΔE 0.064
- Green Brown #544E03 ΔE 0.065
- British Racing Green #05480D ΔE 0.066
Use #3F3E09 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.