#394C40
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.6% 0.031 156.9), rgb(57, 76, 64).
Aa
White text reads best on this color (9.20:1).
About this color
#394C40 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.031 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.025 away. White text reads best on it, at 9.20:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.28:1 |
| White text | 9.20:1 |
Values
| HEX | #394C40 |
| RGB | rgb(57, 76, 64) |
| HSL | hsl(142, 14%, 26%) |
| OKLCH | oklch(39.6% 0.031 156.9) |
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 #394C40 | 9.20:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #394C40 | 2.28:1 | Fails | Lc 12.8 | Not readable |
| #394C40 text on white | 9.20:1 | AAA | Lc 91.2 | Preferred for body text |
| #394C40 text on black | 2.28:1 | Fails | Lc -11.1 | 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 900.
-
Step 50
50
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D3DCD6
oklch(88.6% 0.013 157)
-
Step 300
300
#B5C5BB
oklch(80.8% 0.022 158.5)
-
Step 400
400
#8EA897
oklch(70.7% 0.038 156.6)
-
Step 500
500
#72937E
oklch(63.2% 0.048 156.8)
-
Step 600
600
#5A7D67
oklch(55.6% 0.052 156.7)
-
Step 700
700
#4A6956
oklch(49.1% 0.047 157.2)
-
Step 800
800
#3D5646
oklch(42.8% 0.04 156.2)
-
Step 900
900 (this color)
#394C40
oklch(39.6% 0.031 156.9)
-
Step 950
950
#1F2923
oklch(26.9% 0.018 158.6)
#394C40 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) | #4C493F | 0.029 |
| Deuteranopia (no green cones) | #484741 | 0.027 |
| Tritanopia (no blue cones) | #364C49 | 0.015 |
| Achromatopsia (no color) | #484848 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394C40
#394C40
oklch(39.6% 0.031 156.9)
- #52404D
#52404D
oklch(39.5% 0.032 336.4)
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 #394C40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.025
- Charcoal Grey #3C4142 ΔE 0.038
- Dark Blue Green #005249 ΔE 0.044
- Dark Teal #014D4E ΔE 0.048
- Charcoal #264653 ΔE 0.049
- Deep Teal #00555A ΔE 0.054
- Dark Grey Blue #29465B ΔE 0.059
- Onyx #343A40 ΔE 0.062
Use #394C40 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.