#3F4828
Closest named color: Dark Olive (#373E02). oklch(38.5% 0.052 121.7), rgb(63, 72, 40).
Aa
White text reads best on this color (9.68:1).
About this color
#3F4828 is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.052 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.047 away. White text reads best on it, at 9.68:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.16:1 |
| White text | 9.68:1 |
Values
| HEX | #3F4828 |
| RGB | rgb(63, 72, 40) |
| HSL | hsl(77, 29%, 22%) |
| OKLCH | oklch(38.5% 0.052 121.7) |
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 #3F4828 | 9.68:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #3F4828 | 2.16:1 | Fails | Lc 11.5 | Not readable |
| #3F4828 text on white | 9.68:1 | AAA | Lc 92.4 | Preferred for body text |
| #3F4828 text on black | 2.16:1 | Fails | Lc -10.0 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E8EBE3
oklch(93.6% 0.011 123.5)
-
Step 200
200
#D6DCCC
oklch(88.5% 0.022 123.7)
-
Step 300
300
#BCC5AA
oklch(80.9% 0.038 122.3)
-
Step 400
400
#9AA77C
oklch(70.7% 0.062 121.6)
-
Step 500
500
#81915A
oklch(63% 0.079 121.9)
-
Step 600
600
#6B7B3F
oklch(55.5% 0.086 121.5)
-
Step 700
700
#596831
oklch(49.1% 0.081 122)
-
Step 800
800
#49552A
oklch(42.8% 0.066 122)
-
Step 900
900 (this color)
#3F4828
oklch(38.5% 0.052 121.7)
-
Step 950
950
#242917
oklch(27% 0.032 121.2)
#3F4828 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) | #4C4526 | 0.022 |
| Deuteranopia (no green cones) | #4A442A | 0.023 |
| Tritanopia (no blue cones) | #414540 | 0.042 |
| Achromatopsia (no color) | #444444 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F4828
#3F4828
oklch(38.5% 0.052 121.7)
- #483D5B
#483D5B
oklch(38.4% 0.052 300.8)
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 #3F4828, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.047
- Green Brown #544E03 ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.054
- Navy Green #35530A ΔE 0.055
- Mud Brown #60460F ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.058
- Evergreen #05472A ΔE 0.059
- Pine Green #0A481E ΔE 0.061
Use #3F4828 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.