#3F4424
Closest named color: Dark Olive (#373E02). oklch(37.3% 0.05 116.2), rgb(63, 68, 36).
Aa
White text reads best on this color (10.17:1).
About this color
#3F4424 is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.050 and its hue 116°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.039 away. White text reads best on it, at 10.17:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.06:1 |
| White text | 10.17:1 |
Values
| HEX | #3F4424 |
| RGB | rgb(63, 68, 36) |
| HSL | hsl(69, 31%, 20%) |
| OKLCH | oklch(37.3% 0.05 116.2) |
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 #3F4424 | 10.17:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #3F4424 | 2.06:1 | Fails | Lc 10.3 | Not readable |
| #3F4424 text on white | 10.17:1 | AAA | Lc 93.6 | Preferred for body text |
| #3F4424 text on black | 2.06:1 | Fails | Lc -8.9 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E9EBE3
oklch(93.6% 0.011 118)
-
Step 200
200
#D8DBCC
oklch(88.5% 0.02 116)
-
Step 300
300
#BFC4A9
oklch(80.9% 0.037 115.8)
-
Step 400
400
#9EA67B
oklch(70.8% 0.06 116.5)
-
Step 500
500
#879058
oklch(63.2% 0.078 116.1)
-
Step 600
600
#71793D
oklch(55.5% 0.084 115.4)
-
Step 700
700
#5E662F
oklch(49% 0.078 116.2)
-
Step 800
800
#4D5328
oklch(42.6% 0.064 115.7)
-
Step 900
900 (this color)
#3F4424
oklch(37.3% 0.05 116.2)
-
Step 950
950
#252816
oklch(26.8% 0.031 116.3)
#3F4424 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) | #484121 | 0.016 |
| Deuteranopia (no green cones) | #484126 | 0.019 |
| Tritanopia (no blue cones) | #42413C | 0.043 |
| Achromatopsia (no color) | #414141 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F4424
#3F4424
oklch(37.3% 0.05 116.2)
- #433B58
#433B58
oklch(37.3% 0.05 296.6)
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 #3F4424, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.039
- Charcoal Grey #3C4142 ΔE 0.052
- Evergreen #05472A ΔE 0.058
- Green Brown #544E03 ΔE 0.058
- Mud Brown #60460F ΔE 0.060
- Pine Green #0A481E ΔE 0.060
- Pakistan Green #283618 ΔE 0.063
- Navy Green #35530A ΔE 0.063
Use #3F4424 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.