#3F3A09
Closest named color: Dark Olive (#373E02). oklch(34.3% 0.066 103.3), rgb(63, 58, 9).
Aa
White text reads best on this color (11.53:1).
About this color
#3F3A09 is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.066 and its hue 103°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.021 away. White text reads best on it, at 11.53:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.82:1 |
| White text | 11.53:1 |
Values
| HEX | #3F3A09 |
| RGB | rgb(63, 58, 9) |
| HSL | hsl(54, 75%, 14%) |
| OKLCH | oklch(34.3% 0.066 103.3) |
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 #3F3A09 | 11.53:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #3F3A09 | 1.82:1 | Fails | Lc 7.4 | Not readable |
| #3F3A09 text on white | 11.53:1 | AAA | Lc 96.5 | Preferred for body text |
| #3F3A09 text on black | 1.82:1 | 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
#EBEAE0
oklch(93.5% 0.013 102)
-
Step 200
200
#DCDAC6
oklch(88.5% 0.027 102.3)
-
Step 300
300
#C6C39E
oklch(81% 0.05 103.6)
-
Step 400
400
#A9A368
oklch(70.7% 0.079 103.2)
-
Step 500
500
#948C3D
oklch(63.1% 0.101 103.5)
-
Step 600
600
#7F7616
oklch(55.7% 0.11 103.7)
-
Step 700
700
#6B6304
oklch(49.2% 0.102 103.9)
-
Step 800
800
#57510C
oklch(42.8% 0.085 104.1)
-
Step 900
900 (this color)
#3F3A09
oklch(34.3% 0.066 103.3)
-
Step 950
950
#2A270D
oklch(26.9% 0.042 102.8)
#3F3A09 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) | #403802 | 0.007 |
| Deuteranopia (no green cones) | #423A0D | 0.007 |
| Tritanopia (no blue cones) | #453531 | 0.061 |
| Achromatopsia (no color) | #393939 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F3A09
#3F3A09
oklch(34.3% 0.066 103.3)
- #34345A
#34345A
oklch(34.4% 0.066 282.4)
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 #3F3A09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.021
- Pakistan Green #283618 ΔE 0.043
- Forrest Green #154406 ΔE 0.063
- Hunter Green #0B4008 ΔE 0.066
- Pine Green #0A481E ΔE 0.067
- Evergreen #05472A ΔE 0.068
- British Racing Green #05480D ΔE 0.073
- Charcoal Grey #3C4142 ΔE 0.073
Use #3F3A09 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.