#3F4C19
Closest named color: Navy Green (#35530A). oklch(39.3% 0.076 122), rgb(63, 76, 25).
Aa
White text reads best on this color (9.29:1).
About this color
#3F4C19 is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.076 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.032 away. White text reads best on it, at 9.29:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.25:1 |
| White text | 9.29:1 |
Values
| HEX | #3F4C19 |
| RGB | rgb(63, 76, 25) |
| HSL | hsl(75, 50%, 20%) |
| OKLCH | oklch(39.3% 0.076 122) |
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 #3F4C19 | 9.29:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #3F4C19 | 2.25:1 | Fails | Lc 12.6 | Not readable |
| #3F4C19 text on white | 9.29:1 | AAA | Lc 91.4 | Preferred for body text |
| #3F4C19 text on black | 2.25:1 | Fails | Lc -11.0 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E8ECE0
oklch(93.7% 0.017 121.8)
-
Step 200
200
#D5DDC6
oklch(88.5% 0.032 122.7)
-
Step 300
300
#BAC79E
oklch(80.9% 0.057 122)
-
Step 400
400
#97AA69
oklch(70.7% 0.091 122)
-
Step 500
500
#7E943E
oklch(63.1% 0.115 121.8)
-
Step 600
600
#677E16
oklch(55.5% 0.126 122)
-
Step 700
700
#566A04
oklch(49% 0.117 121.8)
-
Step 800
800
#46570C
oklch(42.7% 0.097 122.3)
-
Step 900
900 (this color)
#3F4C19
oklch(39.3% 0.076 122)
-
Step 950
950
#222A0D
oklch(26.9% 0.049 122.6)
#3F4C19 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) | #514713 | 0.031 |
| Deuteranopia (no green cones) | #4F471C | 0.031 |
| Tritanopia (no blue cones) | #424841 | 0.063 |
| Achromatopsia (no color) | #474747 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F4C19
#3F4C19
oklch(39.3% 0.076 122)
- #4D3B67
#4D3B67
oklch(39.2% 0.075 301.9)
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 #3F4C19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.032
- Green Brown #544E03 ΔE 0.036
- Dark Olive #373E02 ΔE 0.048
- Pine #2B5D34 ΔE 0.054
- Mud Brown #60460F ΔE 0.056
- Pine Green #0A481E ΔE 0.058
- Army Green #4B5D16 ΔE 0.059
- Forest #0B5509 ΔE 0.061
Use #3F4C19 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.