#40724B
Closest named color: Dark Olive Green (#556B2F). oklch(50.6% 0.082 149.7), rgb(64, 114, 75).
Aa
White text reads best on this color (5.63:1).
About this color
#40724B is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.082 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.037 away. White text reads best on it, at 5.63:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.72:1 |
| White text | 5.63:1 |
Values
| HEX | #40724B |
| RGB | rgb(64, 114, 75) |
| HSL | hsl(133, 28%, 35%) |
| OKLCH | oklch(50.6% 0.082 149.7) |
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 #40724B | 5.63:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #40724B | 3.72:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #40724B text on white | 5.63:1 | AA | Lc 78.1 | Fine for body text |
| #40724B text on black | 3.72:1 | AA large text | Lc -23.7 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE6
oklch(93.6% 0.011 149.9)
-
Step 200
200
#CFDDD1
oklch(88.4% 0.022 149.7)
-
Step 300
300
#AFC8B3
oklch(80.8% 0.04 149.9)
-
Step 400
400
#85AC8C
oklch(70.7% 0.063 149.9)
-
Step 500
500
#65986F
oklch(63.2% 0.082 149.7)
-
Step 600
600
#4B8257
oklch(55.6% 0.089 149.8)
-
Step 700
700 (this color)
#40724B
oklch(50.6% 0.082 149.7)
-
Step 800
800
#32593B
oklch(42.6% 0.067 150.2)
-
Step 900
900
#2C4A32
oklch(37.8% 0.054 149.6)
-
Step 950
950
#1A2B1E
oklch(27% 0.033 151.1)
#40724B 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) | #736A49 | 0.070 |
| Deuteranopia (no green cones) | #6B654D | 0.068 |
| Tritanopia (no blue cones) | #387068 | 0.046 |
| Achromatopsia (no color) | #676767 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40724B
#40724B
oklch(50.6% 0.082 149.7)
- #7F537B
#7F537B
oklch(50.5% 0.082 329.9)
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 #40724B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.037
- Dark Moss Green #606C38 ΔE 0.041
- Camo Green #526525 ΔE 0.050
- Muddy Green #657432 ΔE 0.052
- Jungle Green #048243 ΔE 0.061
- Military Green #667C3E ΔE 0.061
- Dark Aquamarine #017371 ΔE 0.062
- Dark Green Blue #1F6357 ΔE 0.066
Use #40724B 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.