#3F411F
Closest named color: Dark Olive (#373E02). oklch(36.4% 0.052 111.7), rgb(63, 65, 31).
Aa
White text reads best on this color (10.56:1).
About this color
#3F411F is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.052 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.032 away. White text reads best on it, at 10.56:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.98:1 |
| White text | 10.56:1 |
Values
| HEX | #3F411F |
| RGB | rgb(63, 65, 31) |
| HSL | hsl(64, 35%, 19%) |
| OKLCH | oklch(36.4% 0.052 111.7) |
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 #3F411F | 10.56:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #3F411F | 1.98:1 | Fails | Lc 9.4 | Not readable |
| #3F411F text on white | 10.56:1 | AAA | Lc 94.5 | Preferred for body text |
| #3F411F text on black | 1.98:1 | Fails | Lc -8.1 | 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
#EAEBE2
oklch(93.7% 0.012 111.8)
-
Step 200
200
#D9DBCB
oklch(88.5% 0.022 112.6)
-
Step 300
300
#C1C4A7
oklch(81% 0.04 112.1)
-
Step 400
400
#A1A577
oklch(70.7% 0.064 112.1)
-
Step 500
500
#8B8E54
oklch(63% 0.08 111)
-
Step 600
600
#757838
oklch(55.6% 0.087 111.3)
-
Step 700
700
#62652A
oklch(49.1% 0.081 111.7)
-
Step 800
800
#505324
oklch(42.8% 0.068 112.2)
-
Step 900
900 (this color)
#3F411F
oklch(36.4% 0.052 111.7)
-
Step 950
950
#272815
oklch(27% 0.032 111)
#3F411F 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) | #463E1C | 0.014 |
| Deuteranopia (no green cones) | #463F21 | 0.014 |
| Tritanopia (no blue cones) | #433D39 | 0.047 |
| Achromatopsia (no color) | #3F3F3F | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F411F
#3F411F
oklch(36.4% 0.052 111.7)
- #3F3958
#3F3958
oklch(36.5% 0.053 292.4)
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 #3F411F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.032
- Charcoal Grey #3C4142 ΔE 0.054
- Pakistan Green #283618 ΔE 0.055
- Evergreen #05472A ΔE 0.059
- Pine Green #0A481E ΔE 0.061
- Green Brown #544E03 ΔE 0.063
- Mud Brown #60460F ΔE 0.063
- Forrest Green #154406 ΔE 0.066
Use #3F411F 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.