#3F4E36
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.4% 0.043 134.1), rgb(63, 78, 54).
Aa
White text reads best on this color (8.91:1).
About this color
#3F4E36 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.043 and its hue 134°. 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 8.91:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.35:1 |
| White text | 8.91:1 |
Values
| HEX | #3F4E36 |
| RGB | rgb(63, 78, 54) |
| HSL | hsl(98, 18%, 26%) |
| OKLCH | oklch(40.4% 0.043 134.1) |
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 #3F4E36 | 8.91:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #3F4E36 | 2.35:1 | Fails | Lc 13.5 | Not readable |
| #3F4E36 text on white | 8.91:1 | AAA | Lc 90.4 | Preferred for body text |
| #3F4E36 text on black | 2.35:1 | Fails | Lc -11.9 | 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
#E8EBE6
oklch(93.6% 0.007 132.4)
-
Step 200
200
#D5DBD2
oklch(88.4% 0.014 134.9)
-
Step 300
300
#BAC4B4
oklch(80.8% 0.025 133.5)
-
Step 400
400
#96A78D
oklch(70.8% 0.042 134.7)
-
Step 500
500
#7D9171
oklch(63.2% 0.052 133.9)
-
Step 600
600
#667B59
oklch(55.6% 0.057 133.8)
-
Step 700
700
#546749
oklch(48.9% 0.052 134.3)
-
Step 800
800 (this color)
#3F4E36
oklch(40.4% 0.043 134.1)
-
Step 900
900
#3A4633
oklch(37.7% 0.035 134.2)
-
Step 950
950
#22291E
oklch(27% 0.022 134.3)
#3F4E36 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) | #504A34 | 0.028 |
| Deuteranopia (no green cones) | #4E4937 | 0.028 |
| Tritanopia (no blue cones) | #3F4C48 | 0.032 |
| Achromatopsia (no color) | #4A4A4A | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F4E36
#3F4E36
oklch(40.4% 0.043 134.1)
- #514259
#514259
oklch(40.4% 0.042 313.7)
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 #3F4E36, 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 0.053
- Charcoal Grey #3C4142 ΔE 0.053
- Dark Blue Green #005249 ΔE 0.054
- Green Brown #544E03 ΔE 0.055
- Navy Green #35530A ΔE 0.059
- Mud Brown #60460F ΔE 0.062
- Dark Teal #014D4E ΔE 0.063
Use #3F4E36 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.