#3D5040
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41% 0.036 149.3), rgb(61, 80, 64).
Aa
White text reads best on this color (8.67:1).
About this color
#3D5040 is a dark, muted green. In OKLCH its lightness is 41%, its chroma 0.036 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.030 away. White text reads best on it, at 8.67:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | muted (0.036) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.41:1 |
| White text | 8.67:1 |
Values
| HEX | #3D5040 |
| RGB | rgb(61, 80, 64) |
| HSL | hsl(129, 13%, 28%) |
| OKLCH | oklch(41% 0.036 149.3) |
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 #3D5040 | 8.67:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #3D5040 | 2.41:1 | Fails | Lc 14.2 | Not readable |
| #3D5040 text on white | 8.67:1 | AAA | Lc 89.8 | Fine for body text |
| #3D5040 text on black | 2.41:1 | Fails | Lc -12.5 | 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
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D4DBD5
oklch(88.4% 0.011 149.8)
-
Step 300
300
#B8C5B9
oklch(81% 0.022 147.6)
-
Step 400
400
#93A796
oklch(70.8% 0.033 149.6)
-
Step 500
500
#78917C
oklch(63.1% 0.042 149.7)
-
Step 600
600
#617B65
oklch(55.6% 0.045 149.2)
-
Step 700
700
#506854
oklch(49.2% 0.043 149.6)
-
Step 800
800 (this color)
#3D5040
oklch(41% 0.036 149.3)
-
Step 900
900
#37463A
oklch(37.7% 0.028 150.8)
-
Step 950
950
#212922
oklch(27.1% 0.017 148.6)
#3D5040 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) | #504D3F | 0.029 |
| Deuteranopia (no green cones) | #4D4B41 | 0.028 |
| Tritanopia (no blue cones) | #3B4F4B | 0.019 |
| Achromatopsia (no color) | #4B4B4B | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D5040
#3D5040
oklch(41% 0.036 149.3)
- #564454
#564454
oklch(41.1% 0.035 329.9)
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 #3D5040, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.030
- Dark Blue Green #005249 ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.051
- Pine #2B5D34 ΔE 0.055
- Deep Teal #00555A ΔE 0.056
- Dark Teal #014D4E ΔE 0.056
- Charcoal #264653 ΔE 0.061
- Dark Green Blue #1F6357 ΔE 0.061
Use #3D5040 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.