#3A431F
Closest named color: Dark Olive (#373E02). oklch(36.5% 0.057 120.9), rgb(58, 67, 31).
Aa
White text reads best on this color (10.48:1).
About this color
#3A431F is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.057 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.029 away. White text reads best on it, at 10.48:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.00:1 |
| White text | 10.48:1 |
Values
| HEX | #3A431F |
| RGB | rgb(58, 67, 31) |
| HSL | hsl(75, 37%, 19%) |
| OKLCH | oklch(36.5% 0.057 120.9) |
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 #3A431F | 10.48:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #3A431F | 2.00:1 | Fails | Lc 9.6 | Not readable |
| #3A431F text on white | 10.48:1 | AAA | Lc 94.3 | Preferred for body text |
| #3A431F text on black | 2.00:1 | Fails | Lc -8.3 | 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
#E8EBE2
oklch(93.5% 0.012 121.7)
-
Step 200
200
#D6DCCB
oklch(88.5% 0.024 122.8)
-
Step 300
300
#BCC5A7
oklch(80.8% 0.042 120.9)
-
Step 400
400
#9AA877
oklch(70.8% 0.07 121.1)
-
Step 500
500
#829254
oklch(63.2% 0.088 120.8)
-
Step 600
600
#6B7C38
oklch(55.7% 0.095 121.2)
-
Step 700
700
#59682A
oklch(49% 0.088 121.1)
-
Step 800
800
#495524
oklch(42.7% 0.073 121)
-
Step 900
900 (this color)
#3A431F
oklch(36.5% 0.057 120.9)
-
Step 950
950
#242915
oklch(27% 0.035 120.3)
#3A431F 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) | #473F1C | 0.024 |
| Deuteranopia (no green cones) | #463F21 | 0.024 |
| Tritanopia (no blue cones) | #3D403B | 0.048 |
| Achromatopsia (no color) | #3F3F3F | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A431F
#3A431F
oklch(36.5% 0.057 120.9)
- #433758
#433758
oklch(36.4% 0.057 300.3)
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 #3A431F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.029
- Evergreen #05472A ΔE 0.050
- Pine Green #0A481E ΔE 0.051
- Pakistan Green #283618 ΔE 0.054
- Forrest Green #154406 ΔE 0.057
- Charcoal Grey #3C4142 ΔE 0.058
- Navy Green #35530A ΔE 0.061
- British Racing Green #05480D ΔE 0.062
Use #3A431F 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.