#3F3F04
Closest named color: Dark Olive (#373E02). oklch(35.6% 0.075 109.7), rgb(63, 63, 4).
Aa
White text reads best on this color (10.91:1).
About this color
#3F3F04 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.075 and its hue 110°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.015 away. White text reads best on it, at 10.91:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.92:1 |
| White text | 10.91:1 |
Values
| HEX | #3F3F04 |
| RGB | rgb(63, 63, 4) |
| HSL | hsl(60, 88%, 13%) |
| OKLCH | oklch(35.6% 0.075 109.7) |
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 #3F3F04 | 10.91:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #3F3F04 | 1.92:1 | Fails | Lc 8.7 | Not readable |
| #3F3F04 text on white | 10.91:1 | AAA | Lc 95.2 | Preferred for body text |
| #3F3F04 text on black | 1.92:1 | Fails | Lc -7.5 | 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
#F6F6F0
oklch(97.1% 0.008 106.5)
-
Step 100
100
#EAEBDF
oklch(93.6% 0.016 110.6)
-
Step 200
200
#DADBC4
oklch(88.4% 0.031 109)
-
Step 300
300
#C2C49B
oklch(80.8% 0.055 109.9)
-
Step 400
400
#A4A662
oklch(70.8% 0.09 110)
-
Step 500
500
#8E8F32
oklch(63.1% 0.115 109.9)
-
Step 600
600
#797800
oklch(55.5% 0.121 109.2)
-
Step 700
700
#656500
oklch(49.1% 0.107 109.8)
-
Step 800
800
#535300
oklch(42.8% 0.093 109.8)
-
Step 900
900 (this color)
#3F3F04
oklch(35.6% 0.075 109.7)
-
Step 950
950
#28280A
oklch(26.9% 0.047 109.2)
#3F3F04 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) | #453C00 | 0.013 |
| Deuteranopia (no green cones) | #463D09 | 0.015 |
| Tritanopia (no blue cones) | #443A35 | 0.068 |
| Achromatopsia (no color) | #3D3D3D | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F3F04
#3F3F04
oklch(35.6% 0.075 109.7)
- #3C3460
#3C3460
oklch(35.5% 0.075 290.4)
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 #3F3F04, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.015
- Pakistan Green #283618 ΔE 0.054
- Forrest Green #154406 ΔE 0.055
- Pine Green #0A481E ΔE 0.059
- Green Brown #544E03 ΔE 0.062
- Hunter Green #0B4008 ΔE 0.063
- Evergreen #05472A ΔE 0.063
- Navy Green #35530A ΔE 0.063
Use #3F3F04 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.