#3F4E3D
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.6% 0.034 141.8), rgb(63, 78, 61).
Aa
White text reads best on this color (8.86:1).
About this color
#3F4E3D is a dark, muted green. In OKLCH its lightness is 41%, its chroma 0.034 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 0.033 away. White text reads best on it, at 8.86:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | muted (0.034) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.36:1 |
| White text | 8.86:1 |
Values
| HEX | #3F4E3D |
| RGB | rgb(63, 78, 61) |
| HSL | hsl(113, 12%, 27%) |
| OKLCH | oklch(40.6% 0.034 141.8) |
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 #3F4E3D | 8.86:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #3F4E3D | 2.36:1 | Fails | Lc 13.7 | Not readable |
| #3F4E3D text on white | 8.86:1 | AAA | Lc 90.3 | Preferred for body text |
| #3F4E3D text on black | 2.36:1 | 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
#E8EBE7
oklch(93.7% 0.006 137.8)
-
Step 200
200
#D5DBD4
oklch(88.5% 0.011 141.3)
-
Step 300
300
#BAC4B8
oklch(80.9% 0.02 140.5)
-
Step 400
400
#96A694
oklch(70.7% 0.031 142.1)
-
Step 500
500
#7C9079
oklch(63.1% 0.041 141.5)
-
Step 600
600
#657A62
oklch(55.5% 0.044 141.6)
-
Step 700
700
#546751
oklch(49.1% 0.041 141.3)
-
Step 800
800 (this color)
#3F4E3D
oklch(40.6% 0.034 141.8)
-
Step 900
900
#3A4538
oklch(37.6% 0.026 140.8)
-
Step 950
950
#222921
oklch(27.1% 0.018 141.6)
#3F4E3D 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) | #4F4B3C | 0.026 |
| Deuteranopia (no green cones) | #4C493E | 0.025 |
| Tritanopia (no blue cones) | #3E4D49 | 0.021 |
| Achromatopsia (no color) | #4A4A4A | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F4E3D
#3F4E3D
oklch(40.6% 0.034 141.8)
- #524354
#524354
oklch(40.5% 0.034 322.4)
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 #3F4E3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.033
- Charcoal Grey #3C4142 ΔE 0.047
- Dark Blue Green #005249 ΔE 0.051
- Dark Teal #014D4E ΔE 0.058
- Pine #2B5D34 ΔE 0.059
- Deep Teal #00555A ΔE 0.060
- Charcoal #264653 ΔE 0.061
- Green Brown #544E03 ΔE 0.064
Use #3F4E3D 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.