#3D4F37
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.5% 0.045 138), rgb(61, 79, 55).
Aa
White text reads best on this color (8.85:1).
About this color
#3D4F37 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.045 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.041 away. White text reads best on it, at 8.85:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.37:1 |
| White text | 8.85:1 |
Values
| HEX | #3D4F37 |
| RGB | rgb(61, 79, 55) |
| HSL | hsl(105, 18%, 26%) |
| OKLCH | oklch(40.5% 0.045 138) |
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 #3D4F37 | 8.85:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #3D4F37 | 2.37:1 | Fails | Lc 13.7 | Not readable |
| #3D4F37 text on white | 8.85:1 | AAA | Lc 90.2 | Preferred for body text |
| #3D4F37 text on black | 2.37:1 | Fails | Lc -12.0 | 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 800.
-
Step 50
50
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE6
oklch(93.6% 0.008 139.4)
-
Step 200
200
#D4DCD2
oklch(88.6% 0.016 139.4)
-
Step 300
300
#B9C5B5
oklch(81% 0.026 137.8)
-
Step 400
400
#94A78E
oklch(70.6% 0.042 138.2)
-
Step 500
500
#7A9272
oklch(63.2% 0.054 137.9)
-
Step 600
600
#637C5A
oklch(55.7% 0.059 137.5)
-
Step 700
700
#51684A
oklch(49% 0.054 138.5)
-
Step 800
800 (this color)
#3D4F37
oklch(40.5% 0.045 138)
-
Step 900
900
#384634
oklch(37.6% 0.035 138.8)
-
Step 950
950
#21291F
oklch(27% 0.021 139.4)
#3D4F37 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) | #514B36 | 0.032 |
| Deuteranopia (no green cones) | #4E4938 | 0.032 |
| Tritanopia (no blue cones) | #3C4D49 | 0.032 |
| Achromatopsia (no color) | #4A4A4A | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D4F37
#3D4F37
oklch(40.5% 0.045 138)
- #534159
#534159
oklch(40.4% 0.046 317.6)
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 #3D4F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.041
- Pine #2B5D34 ΔE 0.050
- Dark Blue Green #005249 ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.055
- Green Brown #544E03 ΔE 0.056
- Navy Green #35530A ΔE 0.058
- Dark Teal #014D4E ΔE 0.061
- Spruce #0A5F38 ΔE 0.063
Use #3D4F37 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.