#3A5137
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.8% 0.051 141.7), rgb(58, 81, 55).
Aa
White text reads best on this color (8.70:1).
About this color
#3A5137 is a dark, muted green. In OKLCH its lightness is 41%, its chroma 0.051 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.042 away. White text reads best on it, at 8.70:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.41:1 |
| White text | 8.70:1 |
Values
| HEX | #3A5137 |
| RGB | rgb(58, 81, 55) |
| HSL | hsl(113, 19%, 27%) |
| OKLCH | oklch(40.8% 0.051 141.7) |
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 #3A5137 | 8.70:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #3A5137 | 2.41:1 | Fails | Lc 14.2 | Not readable |
| #3A5137 text on white | 8.70:1 | AAA | Lc 89.8 | Fine for body text |
| #3A5137 text on black | 2.41:1 | Fails | Lc -12.4 | 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
#D3DCD2
oklch(88.5% 0.017 142.6)
-
Step 300
300
#B6C6B4
oklch(80.9% 0.03 142.1)
-
Step 400
400
#90A98D
oklch(70.8% 0.049 142.1)
-
Step 500
500
#759371
oklch(63.1% 0.06 141.8)
-
Step 600
600
#5D7D59
oklch(55.5% 0.066 141.9)
-
Step 700
700
#4D6A49
oklch(49.2% 0.062 141.6)
-
Step 800
800 (this color)
#3A5137
oklch(40.8% 0.051 141.7)
-
Step 900
900
#364733
oklch(37.7% 0.04 140.8)
-
Step 950
950
#202A1E
oklch(27.1% 0.026 140.4)
#3A5137 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) | #524D35 | 0.037 |
| Deuteranopia (no green cones) | #4F4A38 | 0.038 |
| Tritanopia (no blue cones) | #384F4A | 0.033 |
| Achromatopsia (no color) | #4B4B4B | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A5137
#3A5137
oklch(40.8% 0.051 141.7)
- #57415B
#57415B
oklch(40.9% 0.051 321.2)
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 #3A5137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.042
- Pine #2B5D34 ΔE 0.043
- Dark Blue Green #005249 ΔE 0.048
- Navy Green #35530A ΔE 0.054
- Spruce #0A5F38 ΔE 0.055
- Green Brown #544E03 ΔE 0.056
- Dark Teal #014D4E ΔE 0.061
- Charcoal Grey #3C4142 ΔE 0.062
Use #3A5137 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.