#3D4E39
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.3% 0.041 139.7), rgb(61, 78, 57).
Aa
White text reads best on this color (8.94:1).
About this color
#3D4E39 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.041 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.037 away. White text reads best on it, at 8.94:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.34:1 |
| White text | 8.94:1 |
Values
| HEX | #3D4E39 |
| RGB | rgb(61, 78, 57) |
| HSL | hsl(109, 16%, 26%) |
| OKLCH | oklch(40.3% 0.041 139.7) |
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 #3D4E39 | 8.94:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #3D4E39 | 2.34:1 | Fails | Lc 13.5 | Not readable |
| #3D4E39 text on white | 8.94:1 | AAA | Lc 90.5 | Preferred for body text |
| #3D4E39 text on black | 2.34:1 | Fails | Lc -11.8 | 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 800.
-
Step 50
50
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE7
oklch(93.6% 0.007 145.5)
-
Step 200
200
#D5DBD3
oklch(88.5% 0.013 137.8)
-
Step 300
300
#B9C5B6
oklch(81% 0.025 139.4)
-
Step 400
400
#95A790
oklch(70.8% 0.039 138.9)
-
Step 500
500
#7A9175
oklch(63.1% 0.049 140.1)
-
Step 600
600
#637B5E
oklch(55.5% 0.052 140.2)
-
Step 700
700
#52684D
oklch(49.1% 0.05 139.9)
-
Step 800
800 (this color)
#3D4E39
oklch(40.3% 0.041 139.7)
-
Step 900
900
#394636
oklch(37.7% 0.032 139.8)
-
Step 950
950
#212920
oklch(27% 0.02 142)
#3D4E39 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) | #4F4A38 | 0.029 |
| Deuteranopia (no green cones) | #4D493A | 0.029 |
| Tritanopia (no blue cones) | #3C4D48 | 0.026 |
| Achromatopsia (no color) | #494949 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D4E39
#3D4E39
oklch(40.3% 0.041 139.7)
- #524156
#524156
oklch(40.1% 0.041 319.8)
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 #3D4E39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.037
- Dark Blue Green #005249 ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.050
- Pine #2B5D34 ΔE 0.055
- Dark Teal #014D4E ΔE 0.058
- Green Brown #544E03 ΔE 0.060
- Deep Teal #00555A ΔE 0.062
- Navy Green #35530A ΔE 0.063
Use #3D4E39 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.