#3F533B
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.8% 0.046 140.4), rgb(63, 83, 59).
Aa
White text reads best on this color (8.36:1).
About this color
#3F533B is a dark, muted green. In OKLCH its lightness is 42%, its chroma 0.046 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 0.043 away. White text reads best on it, at 8.36:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | muted (0.046) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.51:1 |
| White text | 8.36:1 |
Values
| HEX | #3F533B |
| RGB | rgb(63, 83, 59) |
| HSL | hsl(110, 17%, 28%) |
| OKLCH | oklch(41.8% 0.046 140.4) |
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 #3F533B | 8.36:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #3F533B | 2.51:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #3F533B text on white | 8.36:1 | AAA | Lc 88.8 | Fine for body text |
| #3F533B text on black | 2.51:1 | Fails | Lc -13.4 | 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
#D4DCD2
oklch(88.6% 0.016 139.4)
-
Step 300
300
#B8C5B5
oklch(80.9% 0.026 139.8)
-
Step 400
400
#93A88E
oklch(70.8% 0.044 139.7)
-
Step 500
500
#789273
oklch(63.1% 0.054 140.6)
-
Step 600
600
#607C5B
oklch(55.5% 0.06 140.8)
-
Step 700
700
#50694B
oklch(49.2% 0.055 140.4)
-
Step 800
800 (this color)
#3F533B
oklch(41.8% 0.046 140.4)
-
Step 900
900
#374634
oklch(37.5% 0.036 140.4)
-
Step 950
950
#21291F
oklch(27% 0.021 139.4)
#3F533B 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) | #544F3A | 0.033 |
| Deuteranopia (no green cones) | #514D3C | 0.033 |
| Tritanopia (no blue cones) | #3E514D | 0.032 |
| Achromatopsia (no color) | #4E4E4E | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F533B
#3F533B
oklch(41.8% 0.046 140.4)
- #58445C
#58445C
oklch(41.7% 0.047 320.7)
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 #3F533B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.043
- Pine #2B5D34 ΔE 0.043
- Dark Blue Green #005249 ΔE 0.053
- Green Brown #544E03 ΔE 0.056
- Spruce #0A5F38 ΔE 0.057
- Dark Green Blue #1F6357 ΔE 0.057
- Navy Green #35530A ΔE 0.059
- Army Green #4B5D16 ΔE 0.062
Use #3F533B 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.