#3F3A02
Closest named color: Dark Olive (#373E02). oklch(34.3% 0.071 104), rgb(63, 58, 2).
Aa
White text reads best on this color (11.55:1).
About this color
#3F3A02 is a dark, moderately saturated brown. In OKLCH its lightness is 34%, its chroma 0.071 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.018 away. White text reads best on it, at 11.55:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.81:1 |
| White text | 11.55:1 |
Values
| HEX | #3F3A02 |
| RGB | rgb(63, 58, 2) |
| HSL | hsl(55, 94%, 13%) |
| OKLCH | oklch(34.3% 0.071 104) |
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 #3F3A02 | 11.55:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #3F3A02 | 1.81:1 | Fails | Lc 7.4 | Not readable |
| #3F3A02 text on white | 11.55:1 | AAA | Lc 96.5 | Preferred for body text |
| #3F3A02 text on black | 1.81:1 | 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
#F6F6F0
oklch(97.1% 0.008 106.5)
-
Step 100
100
#EBEBDF
oklch(93.7% 0.016 106.7)
-
Step 200
200
#DCDAC4
oklch(88.4% 0.03 102.7)
-
Step 300
300
#C6C39B
oklch(80.9% 0.054 104)
-
Step 400
400
#A9A364
oklch(70.6% 0.084 103.6)
-
Step 500
500
#958C35
oklch(63.1% 0.108 103.4)
-
Step 600
600
#7F7600
oklch(55.6% 0.118 104.3)
-
Step 700
700
#6B6300
oklch(49.2% 0.104 104)
-
Step 800
800
#585100
oklch(42.8% 0.09 103.8)
-
Step 900
900 (this color)
#3F3A02
oklch(34.3% 0.071 104)
-
Step 950
950
#2A270B
oklch(26.9% 0.044 103.2)
#3F3A02 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) | #403800 | 0.006 |
| Deuteranopia (no green cones) | #423A06 | 0.007 |
| Tritanopia (no blue cones) | #453530 | 0.065 |
| Achromatopsia (no color) | #393939 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F3A02
#3F3A02
oklch(34.3% 0.071 104)
- #35335C
#35335C
oklch(34.4% 0.071 284.3)
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 #3F3A02, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.018
- Pakistan Green #283618 ΔE 0.045
- Forrest Green #154406 ΔE 0.061
- Hunter Green #0B4008 ΔE 0.065
- Pine Green #0A481E ΔE 0.066
- Evergreen #05472A ΔE 0.069
- British Racing Green #05480D ΔE 0.072
- Darkgreen #054907 ΔE 0.074
Use #3F3A02 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.